1.supabase / supabase
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
- firebase
- supabase
- realtime
- postgrest
- postgres
- postgresql
- +13 more
Ranked by Attention Score: stars gained over the last 90 complete days
1–100 of 2,461 by Attention Score · Aug 6, 2026 – Nov 3, 2026 (UTC)
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Free, Open Source, Self-Hosted WhatsApp API Gateway
Stealth headless browser for AI agents — bypass Cloudflare, bot detection, and anti-scraping. Drop-in Puppeteer/Playwright replacement.
FastAPI framework, high performance, easy to learn, fast to code, ready for production
The Web framework for perfectionists with deadlines.
Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
: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.
The Python micro framework for building web applications.
Mastra is the modern TypeScript framework for AI-powered applications and agents.
⚡ Project management that doesn't become the project. Boards, Gantt charts, and GitHub integration. Self-host it or use Kaneo Cloud.
Send push notifications to your phone or desktop using PUT/POST
Temporal service
The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.
🇨🇭 A React renderer for Three.js
Connect your agents & product to 1,000 APIs.
Speech-to-text, text-to-speech, speaker diarization, speech enhancement, source separation, and VAD using next-gen Kaldi with onnxruntime without Internet connection. Support embedded systems, Android, iOS, HarmonyOS, Raspberry Pi, RISC-V, RK NPU, Axera NPU, Ascend NPU, x86_64 servers, websocket server/client, support 12 programming languages
Next Generation Agentic Proxy for AI Agents and MCP servers
📦 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 fastest and the most accurate file search SDK for AI agents, Neovim, Rust, C, Python, Bun and NodeJS
短信转发器——监控Android手机短信、来电、APP通知,并根据指定规则转发到其他手机:钉钉群自定义机器人、钉钉企业内机器人、企业微信群机器人、飞书机器人、企业微信应用消息、邮箱、bark、webhook、Telegram机器人、Server酱、PushPlus、手机短信等。包括主动控制服务端与客户端,让你轻松远程发短信、查短信、查通话、查话簿、查电量等。(V3.0 新增)PS.这个APK主要是学习与自用,如有BUG请提ISSUE,同时欢迎大家提PR指正
Free and Open Source Machine Translation API. Self-hosted, offline capable and easy to setup.
Open Source realtime backend in 1 file
Web framework built on Web Standards
The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more
【低代码v2.0,一句话即可生成整个系统】企业级AI低代码平台,一键生成前后端代码甚至整个系统。 AI Skills 一句话画流程、设计表单、生成报表、大屏。内置 AI应用平台涵盖:AI聊天、知识库、流程编排、MCP插件等,兼容主流大模型。引领AI低代码「Skills 生成 → 在线配置 → 代码生成 → 手工合并->AI修改」开发模式,解决 Java 项目 90% 重复工作,提高效率又不失灵活。
🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative
💾 Self-hosted online file converter. Supports 1000+ formats ⚙️
Proxy server to bypass Cloudflare protection
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.
Learn ML engineering for free in 4 months! Register here 👇🏼
A curated list of free public APIs — searchable, community-maintained, with a free JSON API.
The task manager you actually own.
小红书(XiaoHongShu、RedNote)链接提取/作品采集工具
HTTP routing and request-handling library for Rust that focuses on ergonomics and modularity
🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.
Code-first platform for workflows, apps and AI agents, on the fastest self-hostable orchestrator (benchmarked against Airflow, Prefect and Temporal). Business teams build with AI, engineers control what ships. Open-source alternative to Lovable, Retool and n8n.
A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTSP, SCP, SFTP, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features
Socket-based TS/JavaScript API for WhatsApp Web
TypeScript-first schema validation with static type inference
The open-source communication infrastructure for agents and products
A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀
The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.
Data validation using Python type hints
A fancy, easy-to-use and reactive self-hosted docker compose.yaml stack-oriented manager
The official NGINX Open Source repository.
Backstage is an open framework for building developer portals
Trigger.dev – build and deploy durable AI agents and workflows
Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.
The all-in-one, open-source backend platform for agentic coding. InsForge gives your coding agent database, auth, storage, compute, hosting, and AI gateway to ship full-stack apps end-to-end.
Xray、Tuic、hysteria2、sing-box 八合一一键脚本
Personal CRM. Remember everything about your friends, family and business relationships.
Apache Iggy: Hyper-Efficient Message Streaming at Laser Speed
Gin is a high-performance HTTP web framework written in Go. It provides a Martini-like API but with significantly better performance—up to 40 times faster—thanks to httprouter. Gin is designed for building REST APIs, web applications, and microservices.
Laravel is a web application framework with expressive, elegant syntax. We’ve already laid the foundation for your next big idea — freeing you to create without sweating the small things.
A developer-friendly API for converting many document formats into PDF files, and more!
Apprise - Push Notifications that work with just about every platform!
A library for building fast, reliable and evolvable network services.
🤖 AI Gateway | AI Native API Gateway
PairDrop: Transfer Files Cross-Platform. No Setup, No Signup.
Bitwarden client apps (web, browser extension, desktop, and cli).
AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework
Advanced Subscription Manager for QX, Loon, Surge, Stash, Egern and Shadowrocket!
Development at the speed of light
Real-time, local speech-to-text with streaming ASR, speaker diarization, translation, and OpenAI/Deepgram-compatible APIs.
Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
Self hosted FLOSS fitness/workout, nutrition and weight tracker
The fast, precise document-intelligence engine for every language: text, tables and metadata from 100+ formats, with OCR, transcription and code intelligence.
The premier source of truth powering network automation. Open source under Apache 2. Try NetBox Cloud free: https://netboxlabs.com/products/free-netbox-cloud/
🎒 Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts. TypeScript SDK, CLI, benchmarks.
An organizer for your porn, written in Go. Documentation: https://docs.stashapp.cc
Adversary Emulation Framework
Agentic AI Framework for Java Developers
Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍
High-performance reverse proxy and container orchestrator for self-hosters
Protocol Buffers - Google's data interchange format
LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.
Scalar is an open-source API platform: 🌐 Modern REST API Client 📖 Beautiful API References ✨ 1st-Class OpenAPI/Swagger Support
A fully open source & end-to-end encrypted note taking alternative to Evernote.
A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)
Talos Linux is a modern Linux distribution built for Kubernetes.
Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.
A scalable, distributed, collaborative, document-graph database, for the realtime web
A WhatsApp client library for NodeJS that connects through the WhatsApp Web browser app
Krayin CRM is Free & Open Source CRM Built with Laravel for Customer, Lead, and Sales Management.
🪓 An orchestration engine for background tasks, AI agents, and durable workflows
Ergonomic Framework for Humans
API Support for your favorite torrent trackers
Your One-Stop Publication Workbench
A platform for community discussion. Free, open, simple.
Low code web framework for real world applications, in Python and Javascript
A source-available invoice, quote, project and time-tracking app built with Laravel
A simple, yet elegant, HTTP library.
Fast and low overhead web framework, for Node.js
A self hosted media tracker.
The open-source reactive database for app developers
Infrastructure orchestration from local to your cloud
Fast, unopinionated, minimalist web framework for node.