Repository Index

The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles

• mqtt
• iot
• mqtt-broker
• erlang

MCP Toolbox for Databases is an open source MCP server for databases.

• genai
• mcp
• agent
• ai

Powerful and flexible library for loading, caching and displaying images on Android.

Air-gapped, privacy-focused, open-source NotebookLM alternative. AI agent that researches, transforms, and edits your documents. Join our Discord: https://discord.gg/ejRNvftDp9

• ai
• rag
• notebooklm
• agent

Free, Open Source, Self-Hosted WhatsApp API Gateway

• api
• gateway
• whatsapp
• self-hosted

Develop. Preview. Ship.

• cli
• command
• vercel
• cloud

A free, self-hostable news aggregator…

• freshrss
• php
• feed
• rss

Machine learning, in numpy

• machine-learning
• neural-networks
• topic-modeling
• gaussian-mixture-models

A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Shadcn UI, S3 file upload. AI-ready with tailored AGENTS.md, skills, and Claude Code plugin. One cmd deploy. Powered by Wasp full-stack framework.

• full-stack
• open-source
• saas
• nodejs

The Privacy First PDF Toolkit

• jpgtopdf
• pdf
• pdf-converter
• pdf-generation

Bridge local AI coding agents (Claude Code, Cursor, Gemini CLI, Codex) to messaging platforms (Feishu/Lark, DingTalk, Slack, Telegram, Discord, LINE, WeChat Work). Chat with your AI dev assistant from anywhere — no public IP required for most platforms.

Get started quickly with Next.js, Postgres, Stripe, and shadcn/ui.

• nextjs
• postgres
• shadcn-ui
• stripe

Embeddable Postgres with real-time, reactive bindings.

• database
• postgres
• wasm

BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr

• email-marketing
• mail
• mailserver
• email

Python SDK for Agent AI Observability, Monitoring and Evaluation Framework. Includes features like agent, llm and tools tracing, debugging multi-agentic system, self-hosted dashboard and advanced analytics with timeline and execution graph view

• agentneo
• agents
• ai-performance-optimization
• llm-testing

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

• golang
• notifications
• api
• react

VPN client in a thin Docker container for multiple VPN providers, written in Go, and using OpenVPN or Wireguard, DNS over TLS, with a few proxy servers built-in.

• openvpn
• dns-over-tls
• mullvad
• windscribe

Self-hosted, plugin-based server management.

• docker
• self-hosted
• ssh
• termix

Open Source Platform for DTC, B2B Commerce, Marketplaces & Omnichannel. REST APIs, TypeScript SDKs, and production-ready Next.js storefront. Self-host it. Own your data. No vendor lock-in. Zero platform fees.

• ecommerce
• e-commerce
• ecommerce-platform
• spree-commerce

HTTP, HTTP2, HTTPS, Websocket debugging proxy

• fiddler
• charles
• hosts
• web

The Open Source DocuSign Alternative.

• document-signing
• next-auth
• nextjs
• open-source

This is a sample app that is part of a series of blog posts I have written about how to architect an android application using Uncle Bob's clean architecture approach.

• android-cleanarchitecture
• architectural
• java
• android-application

TranslatedAlgorithm Patterns — the most scientific way to practice, the fastest path to an offer. You deserve it~ Algorithm templates, the most scientific way to practice problems, the fastest path to practice problems, you deserve it~

• leetcode
• leetcode-go
• algorithm
• algo

Most popular Mocking framework for unit tests written in Java

• mockito
• java
• mocking-framework
• testing-tools