All technologies

Every framework, library and platform from the language pages in one list, alphabetical and searchable. The chips lead to the language in question.

#

.NET Aspire Orchestration of distributed applications C# / .NETFrameworks
.NET MAUI Mobile and desktop apps C# / .NETLibraries and tooling

A

ABP Framework Application framework with modules C# / .NETPlatforms and applications
Absinthe GraphQL ElixirFrameworks
Active Job Uniform job interface RubyLibraries and tooling
Active Record The ORM of Rails RubyLibraries and tooling
Actix Web Very fast, mature framework RustFrameworks
Adobe Experience Manager Content platform of large enterprises JavaPlatforms and applications
AdonisJS Batteries-included full-stack framework JavaScript / TypeScriptFrameworks
aiohttp Asynchronous HTTP client and server PythonFrameworks
Air Live reload during development GoLibraries and tooling
Akeneo Product information management PHPPlatforms and applications
Alembic Migrations for SQLAlchemy PythonLibraries and tooling
Alpine.js Small interactions right in the HTML JavaScript / TypeScriptFrameworks
AMPHP Asynchronous programming with fibers PHPLibraries and tooling
Android Jetpack Navigation, Room, WorkManager and more KotlinFrameworks
Angular Comprehensive framework for large teams JavaScript / TypeScriptFrameworks
Angular Material Official components for Angular JavaScript / TypeScriptLibraries and tooling
Angular SSR Server rendering and hydration for Angular JavaScript / TypeScriptFrameworks
Ant Design Extensive components for business applications JavaScript / TypeScriptLibraries and tooling
Anthropic SDK / OpenAI SDK Connecting language models PythonLibraries and tooling
anyhow / thiserror Error handling RustLibraries and tooling
Apache Airflow Workflow orchestration PythonPlatforms and applications
Apache Camel Integration patterns for interfaces of every kind JavaLibraries and tooling
Apache Kafka Event streaming, connected through Spring Kafka JavaLibraries and tooling
Apache Solr Search platform JavaPlatforms and applications
Apache Superset Business intelligence dashboards PythonPlatforms and applications
API Platform REST and GraphQL APIs on top of Symfony PHPFrameworks
Apollo Server / GraphQL Yoga GraphQL servers JavaScript / TypeScriptFrameworks
APScheduler Scheduled tasks PythonLibraries and tooling
ArchUnit Architecture rules as tests JavaLibraries and tooling
Arrow Functional programming KotlinLibraries and tooling
Ash Framework Declarative resources with API, auth and admin ElixirFrameworks
Askama / Tera / minijinja Template engines RustLibraries and tooling
ASP.NET Core The web platform of .NET C# / .NETFrameworks
ASP.NET Core Identity User management and login C# / .NETLibraries and tooling
ASP.NET Core MVC Controllers, views and web APIs C# / .NETFrameworks
AssertJ Fluent assertions JavaLibraries and tooling
Astro Content sites with little JavaScript, this one included JavaScript / TypeScriptFrameworks
async-graphql GraphQL server RustFrameworks
Asynq Background jobs over Redis GoLibraries and tooling
AutoMapper / Mapperly Object mapping C# / .NETLibraries and tooling
Axum Ergonomic framework from the Tokio project RustFrameworks

B

Bagisto Shop system built on Laravel PHPPlatforms and applications
Bandit Security checks PythonLibraries and tooling
Bandit / Cowboy HTTP servers ElixirFrameworks
Behat Behaviour-driven tests in Gherkin PHPLibraries and tooling
BenchmarkDotNet Micro benchmarks C# / .NETLibraries and tooling
Blade Template engine of Laravel PHPLibraries and tooling
Blazor Interactive interfaces in C#, server or WebAssembly C# / .NETFrameworks
Bogus Test data C# / .NETLibraries and tooling
Bootstrap The CSS classic JavaScript / TypeScriptLibraries and tooling
Brakeman Security scanner for Rails RubyLibraries and tooling
Broadway / GenStage Data pipelines and event processing ElixirLibraries and tooling
Bun Fast runtime with its own bundler and test runner JavaScript / TypeScriptFrameworks GoLibraries and tooling
Bundler / RubyGems Package management RubyLibraries and tooling

C

Caddy / Traefik Web servers and reverse proxies GoPlatforms and applications
CakePHP Convention-driven framework with ORM and scaffolding PHPFrameworks
Camunda Process automation with BPMN JavaPlatforms and applications
Capacitor / Ionic Web apps as iOS and Android apps JavaScript / TypeScriptFrameworks
Capybara Browser tests RubyLibraries and tooling
Cargo Build, tests and packages RustLibraries and tooling
cargo-nextest Fast test runner RustLibraries and tooling
Carter Modular minimal APIs C# / .NETFrameworks
Casbin Access control GoLibraries and tooling
Celery Distributed task queue PythonLibraries and tooling
Chatwoot Customer communication RubyPlatforms and applications
Checkstyle / SpotBugs Static analysis JavaLibraries and tooling
Chi Lightweight router, compatible with net/http GoFrameworks
Clippy / rustfmt Lints and formatting RustLibraries and tooling
Cobra / Viper Command lines and configuration GoLibraries and tooling
Codeception Acceptance, functional and unit tests PHPLibraries and tooling
CodeIgniter Lightweight framework with a low barrier to entry PHPFrameworks
Compose Multiplatform User interfaces for all platforms KotlinLibraries and tooling
Composer Package management for every PHP project PHPLibraries and tooling
Connect / gRPC-Go RPC over HTTP GoFrameworks
Contao CMS built on Symfony PHPPlatforms and applications
Craft CMS CMS with a flexible content model PHPPlatforms and applications
Credo / Dialyxir Static analysis ElixirLibraries and tooling
Criterion Benchmarks RustLibraries and tooling
Cucumber Behaviour-driven tests JavaLibraries and tooling
Cycle ORM Data-mapper ORM for long-running processes PHPLibraries and tooling
Cypress End-to-end and component tests JavaScript / TypeScriptLibraries and tooling

D

Dapper Fast SQL-based micro ORM C# / .NETLibraries and tooling
Dash Analytical web apps with Plotly PythonFrameworks
database/sql + pgx Standard interface and the PostgreSQL driver GoLibraries and tooling
Deno Runtime with TypeScript and security built in JavaScript / TypeScriptFrameworks RustPlatforms and applications
detekt / ktlint Static analysis and formatting KotlinLibraries and tooling
Devise User management for Rails RubyLibraries and tooling
Diesel ORM and query builder RustLibraries and tooling
Dioxus User interfaces for web, desktop and mobile RustFrameworks
Directus Data platform over existing SQL databases JavaScript / TypeScriptPlatforms and applications
Discourse Forums and communities RubyPlatforms and applications
Django Full-stack framework with ORM, admin and auth PythonFrameworks
Django Channels WebSockets and asynchronous protocols PythonLibraries and tooling
django CMS CMS with frontend editing PythonPlatforms and applications
Django Debug Toolbar Queries and performance at a glance PythonLibraries and tooling
Django Ninja FastAPI-style APIs on Django PythonLibraries and tooling
Django ORM Built-in ORM with migrations PythonLibraries and tooling
Django REST framework REST APIs for Django PythonLibraries and tooling
django-allauth Login, registration, social logins PythonLibraries and tooling
django-htmx Dynamic pages without an SPA PythonLibraries and tooling
Doctrine DBAL Database abstraction and migrations PHPLibraries and tooling
Doctrine ORM Data-mapper ORM, the standard in Symfony PHPLibraries and tooling
Dramatiq / RQ Simpler background jobs PythonLibraries and tooling
Drizzle ORM SQL-like, lightweight ORM JavaScript / TypeScriptLibraries and tooling
Dropwizard Lean REST services from proven libraries JavaFrameworks
Drupal CMS and framework for structured content PHPPlatforms and applications
Dynamics 365 / Power Platform Extensions and integration C# / .NETPlatforms and applications

E

EasyAdmin Admin interfaces for Symfony PHPLibraries and tooling
Echo Lean, with a good selection of middleware GoFrameworks
Ecto Database toolkit with schemas and migrations ElixirLibraries and tooling
Elasticsearch / OpenSearch Full-text search via the official clients PHPLibraries and tooling JavaPlatforms and applications
Electric Syncing Postgres to the client ElixirPlatforms and applications
Electron Desktop applications with web technology JavaScript / TypeScriptFrameworks
Eleventy Simple static site generator JavaScript / TypeScriptFrameworks
Eloquent Active-record ORM of Laravel PHPLibraries and tooling
Elysia Type-safe framework for Bun JavaScript / TypeScriptFrameworks
Ent Entity framework with a graph schema GoLibraries and tooling
Entity Framework Core The standard ORM with migrations C# / .NETLibraries and tooling
ERB / Slim / Haml Template languages RubyLibraries and tooling
ERPNext / Frappe Open-source ERP and framework PythonPlatforms and applications
esbuild / Rollup / webpack Bundlers, depending on the requirements JavaScript / TypeScriptLibraries and tooling
ESLint / Prettier / Biome Linting and formatting JavaScript / TypeScriptLibraries and tooling
Exposed SQL framework by JetBrains KotlinLibraries and tooling
Express The minimalist classic JavaScript / TypeScriptFrameworks
ExUnit Built-in test framework ElixirLibraries and tooling

F

FactoryBot / Faker Test data RubyLibraries and tooling
Falcon Minimalist for fast APIs PythonFrameworks
FastAPI Fast APIs with types and OpenAPI PythonFrameworks
FastEndpoints REPR pattern for APIs C# / .NETFrameworks
Fastify Fast, with schema validation JavaScript / TypeScriptFrameworks
Fiber Express-like, on fasthttp GoFrameworks
Filament Admin panels and forms for Laravel PHPLibraries and tooling
Flask Micro framework, flexibly composed PythonFrameworks
FluentAssertions / Shouldly Readable assertions C# / .NETLibraries and tooling
FluentMigrator Migrations independent of the ORM C# / .NETLibraries and tooling
FluentValidation Validation rules C# / .NETLibraries and tooling
Flyway Versioned database migrations JavaLibraries and tooling
Flyway / Liquibase Migrations KotlinLibraries and tooling
FrankenPHP Modern application server built on Caddy PHPLibraries and tooling
FreeMarker Proven template engine JavaLibraries and tooling

G

Gatling / JMeter Load testing JavaLibraries and tooling
Ghost Publishing platform JavaScript / TypeScriptPlatforms and applications
Gin The most widely used web framework GoFrameworks
Ginkgo / Gomega Behaviour-driven tests GoLibraries and tooling
Gitea Git hosting GoPlatforms and applications
GitLab DevOps platform RubyPlatforms and applications
go-redis Redis client GoLibraries and tooling
go-zero / Kratos Microservice frameworks GoFrameworks
Goa Design-first APIs GoFrameworks
golang-jwt / oauth2 Tokens and OAuth GoLibraries and tooling
golang-migrate / goose / Atlas Migrations GoLibraries and tooling
golangci-lint Linter collection GoLibraries and tooling
Gorilla Router, sessions, WebSockets GoFrameworks
GORM The most used ORM GoLibraries and tooling
gqlgen GraphQL generated from the schema GoFrameworks
GraalVM Native Image Ahead-of-time binaries with short startup JavaLibraries and tooling
Gradio Interfaces for ML models PythonFrameworks
Gradle Flexible build system, also with a Kotlin DSL JavaLibraries and tooling
Gradle Kotlin DSL Build scripts in Kotlin KotlinLibraries and tooling
Grafana / Prometheus Monitoring GoPlatforms and applications
Grails Full-stack framework on Groovy and Spring JavaFrameworks
Grape REST APIs RubyFrameworks
GraphQL Ruby GraphQL APIs RubyLibraries and tooling
gRPC Binary service-to-service communication JavaLibraries and tooling
gRPC für .NET Service-to-service communication C# / .NETFrameworks
Guardian / Pow Tokens and authentication ElixirLibraries and tooling

H

Hanami Structured full-stack framework RubyFrameworks
Hangfire Background jobs with a dashboard C# / .NETLibraries and tooling
Helidon Lightweight framework by Oracle JavaFrameworks
Hibernate / JPA ORM, with Kotlin plugins KotlinLibraries and tooling
Hibernate ORM The leading ORM and the reference for Jakarta Persistence JavaLibraries and tooling
HikariCP The standard connection pool JavaLibraries and tooling
Hilt Dependency injection on Android KotlinFrameworks
Hono Lightweight, runs on every runtime and at the edge JavaScript / TypeScriptFrameworks
Hot Chocolate GraphQL server C# / .NETLibraries and tooling
Hotwire (Turbo, Stimulus) Dynamic pages with HTML over the wire RubyLibraries and tooling
html/template Safe templates from the standard library GoLibraries and tooling
htmx Interactive pages without a dedicated frontend framework JavaLibraries and tooling JavaScript / TypeScriptFrameworks GoLibraries and tooling
htmx mit Razor Dynamic pages without an SPA C# / .NETLibraries and tooling
http4k Functional HTTP toolkit KotlinFrameworks
HTTPX / Requests HTTP clients PythonLibraries and tooling
Hugging Face Transformers Pre-trained models PythonLibraries and tooling
Hugo Static site generator GoPlatforms and applications
Huma APIs with OpenAPI generated from the code GoFrameworks
Hyper / Tower HTTP library and middleware RustLibraries and tooling
Hyperf Coroutine-based framework for high load PHPFrameworks
Hypothesis Property-based tests PythonLibraries and tooling

I

Ibexa DXP Digital experience platform on Symfony PHPPlatforms and applications
Inertia Rails Rails with a React or Vue frontend RubyLibraries and tooling
Inertia.js Server routing with a Vue, React or Svelte frontend PHPLibraries and tooling
Infection Mutation testing for test quality PHPLibraries and tooling
Intershop B2B commerce platform JavaPlatforms and applications

J

Jackson JSON processing JavaLibraries and tooling
Jakarta EE The platform standard, with WildFly, Payara, Open Liberty JavaFrameworks
Javalin Minimal web framework for Java and Kotlin JavaFrameworks KotlinFrameworks
JDBI Lean access to JDBC JavaLibraries and tooling
Jekyll Static site generator RubyPlatforms and applications
Jersey / RESTEasy JAX-RS implementations for REST APIs JavaLibraries and tooling
Jest Established test runner JavaScript / TypeScriptLibraries and tooling
Jetpack Compose Declarative Android user interfaces KotlinFrameworks
JHipster Generator for Spring Boot applications with a frontend JavaFrameworks
Jinja Template engine PythonLibraries and tooling
Joomla Established CMS for associations and SMEs PHPPlatforms and applications
jOOQ Type-safe SQL generated from the database schema JavaLibraries and tooling KotlinLibraries and tooling
jsonwebtoken / oauth2 Tokens and OAuth RustLibraries and tooling
JTE Fast, type-safe templates JavaLibraries and tooling
JUnit 5 The standard test framework JavaLibraries and tooling KotlinLibraries and tooling
JupyterHub Notebooks for teams PythonPlatforms and applications

K

k6 Load testing GoLibraries and tooling
Kamal Deployment with Docker RubyLibraries and tooling
Kentico Xperience Digital experience platform C# / .NETPlatforms and applications
Keycloak Identity and access management, SSO JavaPlatforms and applications
Knex.js Query builder and migrations JavaScript / TypeScriptLibraries and tooling
Koa Lean middleware framework JavaScript / TypeScriptFrameworks
Koin Dependency injection KotlinLibraries and tooling
Kotest Kotlin-style tests KotlinLibraries and tooling
Kotlin Multiplatform Shared code for server, Android, iOS, web KotlinLibraries and tooling
kotlinx-datetime Date and time, cross-platform KotlinLibraries and tooling
kotlinx.coroutines Asynchronous programming KotlinLibraries and tooling
kotlinx.html HTML as a DSL KotlinLibraries and tooling
kotlinx.serialization JSON and other formats KotlinLibraries and tooling
Ktor Asynchronous framework by JetBrains KotlinFrameworks
Kysely Type-safe SQL query builder JavaScript / TypeScriptLibraries and tooling

L

LangChain / LangGraph LLM applications and agents PythonLibraries and tooling
Laravel Productive full-stack framework with a large ecosystem PHPFrameworks
Laravel Horizon Queue workers with a dashboard PHPLibraries and tooling
Laravel Nova Commercial admin panel for Laravel PHPLibraries and tooling
Laravel Octane Laravel kept in memory on Swoole or FrankenPHP PHPFrameworks
Leptos Full-stack framework with fine-grained reactivity RustFrameworks
Liferay Portal platform JavaPlatforms and applications
LINQ Queries right in the language C# / .NETLibraries and tooling
Liquibase Database changes as a changelog JavaLibraries and tooling
Lit Web Components with little effort JavaScript / TypeScriptFrameworks
Litestar ASGI framework with lots of structure PythonFrameworks
Livebook Interactive notebooks ElixirLibraries and tooling
Livewire Reactive interfaces without writing JavaScript PHPLibraries and tooling
LlamaIndex RAG over your own documents PythonLibraries and tooling
Loco Rails-like full-stack framework RustFrameworks
Locust Load testing PythonLibraries and tooling
Lombok Less boilerplate JavaLibraries and tooling

M

Magento / Adobe Commerce Large shop platform for B2C and B2B PHPPlatforms and applications
Magnolia Enterprise CMS JavaPlatforms and applications
MapStruct Generated mappers between objects JavaLibraries and tooling
Marshmallow Serialisation and validation PythonLibraries and tooling
Marten Documents and event sourcing on PostgreSQL C# / .NETLibraries and tooling
MassTransit Messaging over RabbitMQ, Azure Service Bus, Kafka C# / .NETLibraries and tooling
Mastodon Decentralised social network RubyPlatforms and applications
Matomo Privacy-friendly web analytics PHPPlatforms and applications
Mattermost Team messaging GoPlatforms and applications
Mautic Marketing automation PHPPlatforms and applications
Maven Build and dependencies, convention-driven JavaLibraries and tooling
MediatR Mediator pattern, CQRS C# / .NETLibraries and tooling
Medusa Headless commerce JavaScript / TypeScriptPlatforms and applications
Meilisearch Search engine RustPlatforms and applications
Mezzio PSR-15 middleware framework from the Laminas project PHPFrameworks
Micrometer Metrics and tracing JavaLibraries and tooling
Micronaut Compile-time DI for microservices and serverless JavaFrameworks
Micronaut / Quarkus Microservice frameworks with Kotlin support KotlinFrameworks
MikroORM Data-mapper ORM with unit of work JavaScript / TypeScriptLibraries and tooling
Minimal APIs Lean HTTP endpoints without controllers C# / .NETFrameworks
MinIO S3-compatible object storage GoPlatforms and applications
Minitest Lean test framework, the Rails default RubyLibraries and tooling
Mix / Hex Build and packages ElixirLibraries and tooling
Mockery Mock objects for tests PHPLibraries and tooling
mockery / GoMock Generated mocks GoLibraries and tooling
Mockito Mock objects JavaLibraries and tooling
MockK Mocks for Kotlin KotlinLibraries and tooling
Mongoose Schemas for MongoDB JavaScript / TypeScriptLibraries and tooling
Moq / NSubstitute Mock objects C# / .NETLibraries and tooling
Mox / ExMachina Mocks and test data ElixirLibraries and tooling
MudBlazor Material components for Blazor C# / .NETLibraries and tooling
MUI Material Design components for React JavaScript / TypeScriptLibraries and tooling
MyBatis SQL mapping with full control over queries JavaLibraries and tooling
mypy / pyright Static type checking PythonLibraries and tooling

N

n8n Workflow automation JavaScript / TypeScriptPlatforms and applications
NATS / Watermill Messaging and event processing GoLibraries and tooling
Neos Content application platform with inline editing PHPPlatforms and applications
NestJS Structured backend framework, similar to Angular JavaScript / TypeScriptFrameworks
net/http The standard library, with pattern routing since Go 1.22 GoFrameworks
Next.js React with server rendering, routing and server components JavaScript / TypeScriptFrameworks
Nextcloud File storage and collaboration, extensible through apps PHPPlatforms and applications
NgRx State management for Angular JavaScript / TypeScriptLibraries and tooling
NiceGUI Interfaces and dashboards in Python PythonFrameworks
Node.js The established server runtime JavaScript / TypeScriptFrameworks
nopCommerce Open-source shop system C# / .NETPlatforms and applications
Npgsql / SqlClient Database drivers C# / .NETLibraries and tooling
NuGet / dotnet CLI Packages and build C# / .NETLibraries and tooling
NumPy Numerics PythonLibraries and tooling
NUnit / MSTest Further test frameworks C# / .NETLibraries and tooling
Nuxt The counterpart for Vue JavaScript / TypeScriptFrameworks
Nx / Bumblebee Machine learning in Elixir ElixirLibraries and tooling
Nx / Turborepo Monorepos with several applications JavaScript / TypeScriptLibraries and tooling

O

Oban Reliable background jobs on PostgreSQL ElixirLibraries and tooling
Odoo ERP and business applications PythonPlatforms and applications
OmniAuth Social logins and SSO RubyLibraries and tooling
OpenIddict / Duende IdentityServer OAuth 2.0 and OpenID Connect C# / .NETLibraries and tooling
OpenTelemetry Tracing and metrics GoLibraries and tooling
Optimizely Content and commerce, formerly Episerver C# / .NETPlatforms and applications
Orchard Core Modular CMS and application framework C# / .NETPlatforms and applications
Orleans Virtual actors for distributed systems C# / .NETFrameworks
OroCommerce B2B commerce on Symfony PHPPlatforms and applications
OroCRM CRM built on Symfony PHPPlatforms and applications
Ory Identity, OAuth and permissions GoPlatforms and applications

P

pandas / Polars Tabular data PythonLibraries and tooling
Payload Headless CMS and application framework JavaScript / TypeScriptPlatforms and applications
Peewee Small, simple ORM PythonLibraries and tooling
Pest Expressive tests built on PHPUnit PHPLibraries and tooling
Phinx Framework-independent migrations PHPLibraries and tooling
Phlex HTML in pure Ruby RubyLibraries and tooling
Phoenix The web framework for Elixir ElixirFrameworks
Phoenix LiveView Interactive interfaces from the server ElixirFrameworks
Phoenix PubSub / Presence Messaging and presence in real time ElixirLibraries and tooling
PHP CS Fixer Consistent code style PHPLibraries and tooling
PHP_CodeSniffer Checks coding standards PHPLibraries and tooling
PHP-FPM The classic process manager behind nginx PHPLibraries and tooling
PHPStan Static analysis that finds bugs before runtime PHPLibraries and tooling
PHPUnit The standard test framework PHPLibraries and tooling
phx.gen.auth Generated user management ElixirLibraries and tooling
Pimcore PIM, DAM and CMS in one platform PHPPlatforms and applications
Pinia State management for Vue JavaScript / TypeScriptLibraries and tooling
Plausible Analytics Privacy-friendly web analytics ElixirPlatforms and applications
Playwright End-to-end tests in a real browser JavaScript / TypeScriptLibraries and tooling PythonLibraries and tooling
Playwright / Selenium Browser tests JavaLibraries and tooling
Playwright for .NET Browser tests C# / .NETLibraries and tooling
Plug Middleware and HTTP specification ElixirFrameworks
pnpm / npm Package management JavaScript / TypeScriptLibraries and tooling
PocketBase Backend in a single file GoPlatforms and applications
Poem / Salvo Further lean frameworks RustFrameworks
Poetry Dependencies and packaging PythonLibraries and tooling
Polly Resilience: retry, circuit breaker C# / .NETLibraries and tooling
pre-commit Checks before every commit PythonLibraries and tooling
Preact React-compatible in 3 kB JavaScript / TypeScriptFrameworks
Predis / phpredis Redis for caching, sessions and queues PHPLibraries and tooling
PrestaShop Widely used shop system for mid-sized businesses PHPPlatforms and applications
PrimeNG / PrimeVue / PrimeReact Component suites for all three frameworks JavaScript / TypeScriptLibraries and tooling
Prisma Type-safe database client with migrations JavaScript / TypeScriptLibraries and tooling
proptest / insta Property-based and snapshot tests RustLibraries and tooling
Psalm Static analysis with type inference PHPLibraries and tooling
psycopg / asyncpg PostgreSQL drivers PythonLibraries and tooling
Puma / Falcon Application servers RubyLibraries and tooling
Pundit / CanCanCan Permissions RubyLibraries and tooling
PWA Installable web apps that work offline JavaScript / TypeScriptFrameworks
Pydantic Data validation through type annotations PythonLibraries and tooling
pytest The standard test framework PythonLibraries and tooling
PyTorch Deep learning PythonLibraries and tooling

Q

Qdrant Vector database for AI applications RustPlatforms and applications
Quarkus Fast startup, for containers and native images JavaFrameworks
Quartz.NET Scheduled jobs C# / .NETLibraries and tooling
Qwik Resumability instead of hydration JavaScript / TypeScriptFrameworks

R

RabbitMQ / JMS Message queues JavaLibraries and tooling
Rack The interface between server and framework RubyFrameworks
Radzen Blazor Free Blazor components C# / .NETLibraries and tooling
Rails Authentication Built-in generator since Rails 8 RubyLibraries and tooling
Razor Pages Page-oriented server applications C# / .NETFrameworks
React Component library with the largest ecosystem JavaScript / TypeScriptFrameworks
React Native / Expo Native apps with React JavaScript / TypeScriptFrameworks
React Router / Remix Routing and server rendering for React JavaScript / TypeScriptFrameworks
ReactPHP Event-driven, non-blocking libraries PHPLibraries and tooling
Rector Automated refactoring and upgrades PHPLibraries and tooling
redis-py Redis client PythonLibraries and tooling
redis-rs Redis client RustLibraries and tooling
Redmine Project management RubyPlatforms and applications
Redux Toolkit Predictable global state JavaScript / TypeScriptLibraries and tooling
Refit Type-safe REST clients C# / .NETLibraries and tooling
Reflex Complete web apps in pure Python PythonFrameworks
Req / Finch HTTP clients ElixirLibraries and tooling
Reqnroll Behaviour-driven tests, successor of SpecFlow C# / .NETLibraries and tooling
reqwest HTTP client RustLibraries and tooling
Resilience4j Circuit breaker, retry, rate limiting JavaLibraries and tooling
REST Assured Tests for HTTP APIs JavaLibraries and tooling
Retrofit / OkHttp / Ktor Client HTTP clients KotlinFrameworks
RoadRunner Go application server that keeps PHP in memory PHPLibraries and tooling
Rocket Type-safe and approachable RustFrameworks
Roda Routing tree framework, very fast RubyFrameworks
Rodauth Comprehensive authentication RubyLibraries and tooling
Roslyn-Analyzer Static analysis in the compiler C# / .NETLibraries and tooling
RSpec Behaviour-driven tests RubyLibraries and tooling
RuboCop / Standard Code style RubyLibraries and tooling
Ruby on Rails The full-stack framework RubyFrameworks
Ruff Linter and formatter, replaces flake8, isort, Black PythonLibraries and tooling
RxJS Reactive data streams JavaScript / TypeScriptLibraries and tooling

S

Saleor Headless commerce PythonPlatforms and applications
Sanic Asynchronous web framework PythonFrameworks
SAP Commerce Enterprise commerce, formerly Hybris JavaPlatforms and applications
scikit-learn Classical machine learning PythonLibraries and tooling
SeaORM Asynchronous ORM RustLibraries and tooling
Sequel Flexible database toolkit RubyLibraries and tooling
Sequelize Established ORM JavaScript / TypeScriptLibraries and tooling
Serde Serialisation RustLibraries and tooling
Serilog Structured logging C# / .NETLibraries and tooling
shadcn/ui / Radix Accessible, customisable components JavaScript / TypeScriptLibraries and tooling
Shopware Shop system built on Symfony PHPPlatforms and applications
Sidekiq Background jobs over Redis RubyLibraries and tooling
SignalR Real-time communication C# / .NETFrameworks
Sinatra Minimal, for small services RubyFrameworks
Sitecore Enterprise content platform C# / .NETPlatforms and applications
Slim Micro framework for small services and APIs PHPFrameworks
slog / Zap / Zerolog Structured logging GoLibraries and tooling
Socket.IO Real-time over WebSockets JavaScript / TypeScriptFrameworks
Solid Queue / GoodJob Background jobs in the database RubyLibraries and tooling
SolidJS Fine-grained reactivity, very fast JavaScript / TypeScriptFrameworks
SonarQube Quality metrics in the build JavaLibraries and tooling
Sorbet / RBS Static types RubyLibraries and tooling
Spree / Solidus E-commerce platforms RubyPlatforms and applications
Spring Batch Processing large data sets in jobs JavaLibraries and tooling
Spring Boot The standard for new Java applications JavaFrameworks KotlinFrameworks
Spring Cloud Configuration, gateway, resilience for distributed systems JavaLibraries and tooling
Spring Data Uniform access to MongoDB, Redis, Elasticsearch JavaLibraries and tooling KotlinLibraries and tooling
Spring Data JPA Repositories without boilerplate JavaLibraries and tooling
Spring Framework Dependency injection, MVC, transactions JavaFrameworks
Spring GraphQL GraphQL APIs with Spring JavaLibraries and tooling
Spring Integration Enterprise integration patterns in Spring JavaLibraries and tooling
Spring MVC Servlet-based controllers and REST endpoints JavaLibraries and tooling
Spring Security Authentication, OAuth 2.0, OpenID Connect JavaLibraries and tooling
Spring WebFlux Reactive endpoints with Project Reactor JavaLibraries and tooling
SQLAlchemy The comprehensive ORM and SQL toolkit PythonLibraries and tooling
sqlc Type-safe code generated from SQL queries GoLibraries and tooling
SQLDelight Type-safe SQL for multiplatform KotlinLibraries and tooling
SQLModel Pydantic and SQLAlchemy combined PythonLibraries and tooling
sqlx Extensions for database/sql GoLibraries and tooling RustLibraries and tooling
StackExchange.Redis Redis client C# / .NETLibraries and tooling
Starlette ASGI toolkit, the basis of FastAPI PythonFrameworks
Statamic Flat-file CMS on Laravel PHPPlatforms and applications
Stimulus Modest controllers for server-rendered applications JavaScript / TypeScriptFrameworks
Storybook Develop and document components in isolation JavaScript / TypeScriptLibraries and tooling
Strapi Headless CMS JavaScript / TypeScriptPlatforms and applications
Strawberry GraphQL with type annotations PythonLibraries and tooling
Streamlit Data apps in a few lines PythonFrameworks
Sulu Headless-capable CMS on Symfony PHPPlatforms and applications
Supabase Realtime The real-time layer of Supabase ElixirPlatforms and applications
SurrealDB Multi-model database RustPlatforms and applications
Svelte Compiler instead of runtime, little code JavaScript / TypeScriptFrameworks
SvelteKit Full-stack framework for Svelte JavaScript / TypeScriptFrameworks
Swashbuckle / NSwag OpenAPI documentation C# / .NETLibraries and tooling
SWC / Rspack / Biome JavaScript tooling RustPlatforms and applications
Swoole Asynchronous runtime with coroutines PHPLibraries and tooling
Swoosh Sending email ElixirLibraries and tooling
Sylius Headless-capable shop framework on Symfony PHPPlatforms and applications
Symfony Component-based framework, the foundation of many platforms PHPFrameworks
Symfony Messenger Message bus and queues PHPLibraries and tooling
Symfony UX Stimulus, Turbo and Live Components for Symfony PHPLibraries and tooling

T

Tailwind / Propshaft / Importmap Asset handling without a bundler RubyLibraries and tooling
Tailwind CSS Utility-first CSS JavaScript / TypeScriptLibraries and tooling
TanStack Query Load, cache and synchronise server data JavaScript / TypeScriptLibraries and tooling
TanStack Start Type-safe full-stack framework for React and Solid JavaScript / TypeScriptFrameworks
Tauri Lean desktop and mobile apps with a Rust core JavaScript / TypeScriptFrameworks RustFrameworks
Telerik / Syncfusion / DevExpress Commercial component suites C# / .NETLibraries and tooling
templ Type-safe HTML components GoLibraries and tooling
Temporal Durable workflows GoLibraries and tooling
Testcontainers Real databases and services in tests JavaLibraries and tooling KotlinLibraries and tooling
Testcontainers for .NET Real services in tests C# / .NETLibraries and tooling
Testcontainers for Go Real services in tests GoLibraries and tooling
Testify Assertions and mocks GoLibraries and tooling
testing Tests and benchmarks from the standard library GoLibraries and tooling
Testing Library Tests from the user’s point of view JavaScript / TypeScriptLibraries and tooling
Thymeleaf Server-side HTML templates JavaLibraries and tooling
Tokio The asynchronous runtime RustLibraries and tooling
Tonic gRPC RustFrameworks
Tornado Asynchronous, with WebSockets PythonFrameworks
Tortoise ORM Asynchronous ORM PythonLibraries and tooling
tracing Logging and tracing RustLibraries and tooling
tRPC Type-safe APIs without schema files JavaScript / TypeScriptFrameworks
Twig Template language of Symfony and many CMS PHPLibraries and tooling
TypeORM Decorator-based ORM JavaScript / TypeScriptLibraries and tooling
TypeScript Static types for JavaScript JavaScript / TypeScriptLibraries and tooling
TYPO3 Enterprise CMS, widespread in German-speaking countries PHPPlatforms and applications

U

Ueberauth OAuth and social logins ElixirLibraries and tooling
Umbraco Open-source CMS C# / .NETPlatforms and applications
utoipa OpenAPI generated from the code RustFrameworks
uv Fast package and project management PythonLibraries and tooling
uv / Ruff Python tooling RustPlatforms and applications
Uvicorn / Gunicorn Application servers for ASGI and WSGI PythonLibraries and tooling

V

Vaadin User interfaces entirely in Java, with Flow and Hilla JavaLibraries and tooling
validator Struct validation GoLibraries and tooling
Vendure Headless commerce on NestJS JavaScript / TypeScriptPlatforms and applications
Vert.x Reactive toolkit for event-driven applications JavaFrameworks KotlinFrameworks
ViewComponent Components for Rails views RubyLibraries and tooling
Vite Dev server and bundler, the standard today JavaScript / TypeScriptLibraries and tooling
VitePress / Docusaurus Documentation sites JavaScript / TypeScriptFrameworks
Vitest Fast unit test runner JavaScript / TypeScriptLibraries and tooling
Vue.js Approachable, complete framework JavaScript / TypeScriptFrameworks
Vuetify Material components for Vue JavaScript / TypeScriptLibraries and tooling

W

Wagtail CMS built on Django PythonPlatforms and applications
Wallaby Browser tests ElixirLibraries and tooling
wasm-bindgen / wasm-pack / Trunk WebAssembly tooling RustLibraries and tooling
WebApplicationFactory Integration tests against the running app C# / .NETLibraries and tooling
Wire / fx Dependency injection GoLibraries and tooling
WireMock Simulated external interfaces JavaLibraries and tooling
Wolverine Mediator and messaging C# / .NETLibraries and tooling
WooCommerce Shop extension for WordPress PHPPlatforms and applications
WordPress The most used CMS, extended through plugins PHPPlatforms and applications

X

Xdebug Debugger, profiler and coverage PHPLibraries and tooling
XState State machines for complex flows JavaScript / TypeScriptLibraries and tooling
xUnit The most used test framework C# / .NETLibraries and tooling

Y

YARP Reverse proxy and API gateway C# / .NETFrameworks
Yew Component framework for WebAssembly RustFrameworks
Yii Fast, component-based framework PHPFrameworks

Z

Zammad Helpdesk RubyPlatforms and applications
Zitadel Identity management GoPlatforms and applications
Zod / Valibot Schema validation with type inference JavaScript / TypeScriptLibraries and tooling
Zustand / Jotai Small state libraries for React JavaScript / TypeScriptLibraries and tooling