:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
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Backstage is an open framework for building developer portals
- infrastructure
- dx
- developer-experience
- developer-portal
A scalable, distributed, collaborative, document-graph database, for the realtime web
- database
- distributed
- distributed-database
- document-database
📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.
The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.
The industry-leading GraphQL client for TypeScript, JavaScript, React, Vue, Angular, and more. Apollo Client delivers powerful caching, intuitive APIs, and comprehensive developer tools to accelerate your app development.
- graphql
- graphql-client
- typescript
- apollo-client
Debugbar for Laravel (Integrates PHP Debug Bar)
- laravel
- debugbar
- developer-tool
- profiler
Effortlessly compose, extend, and observe every service in real-time for the first time ever.
SubQuery is an Open, Flexible, Fast and Universal data indexing framework for web3. Our mission is to help developers create the decentralised products of the future.
Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers - streamlined workflows that drive consistency, enable high-quality code practices, simplify onboarding, and accelerate standardized delivery across teams.
The Simple, Secure Framework Developers Trust
Offline documentation browser. Your personal reference library, searchable in an instant.
- documentation
- docset
- zeal
- docs
The open-source reactive database for app developers
🤖 CDN assets - The #1 free and open source CDN built to make life easier for developers.
- cdn
- javascript
- css
- library
Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
The no-magic web API and microservices framework for Python developers, with a focus on reliability and performance at scale.
- python
- rest
- microservices
- web
A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
- bpmn
- java
- workflow
- workflow-engine
List any node_modules 📦 dir in your system and how heavy they are. You can then select which ones you want to erase to free up space 🧹
🧘 Rewrite of a fully-featured GraphQL Server with focus on easy setup, performance & great developer experience. The core of Yoga implements WHATWG Fetch API and can run/deploy on any JS environment.
- graphql
- graphql-server
- javascript
- typescript
Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.
- open-source
- api-client
- api-testing
- developer-tools
⚗️ Adds code analysis to Laravel improving developer productivity and code quality.
- laravel
- phpstan
- php
- code-analysis
Developer-friendly asynchrony for Django
Monid - OpenRouter for agent tools. Join our community at https://discord.gg/rQzztcgJV8
The Developer Platform for Modern APIs
- open-source
- authentication
- authorization
- gateway