Fastapi GitHub Repositories (2026) · Open Source Tools

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

FastAPI framework, high performance, easy to learn, fast to code, ready for production

AgenticX is a unified, production-ready multi-agent platform — Python SDK + CLI (agx) + Studio server + Machi desktop app. Features Meta-Agent orchestration, 15+ LLM providers, MCP Hub, hierarchical memory, avatar & group chat, skill ecosystem, safety sandbox, and IM gateway (Feishu/WeChat).

Full-stack web application template with FastAPI, React, SQLModel, PostgreSQL, Vite, Tailwind CSS, shadcn/ui, FastAPI Cloud, and Docker Compose.

Open-source, self-hosted AI language learning platform with local or cloud LLMs, CEFR study plans, an AI tutor, voice conversations, flashcards, and spaced repetition.

Free open-source desktop app that scrapes JAV metadata and generates NFO + cover art for Jellyfin, Emby & Kodi. No Docker, no CLI — one-click install on Windows & macOS. 8 built-in sources + optional Metatube federation (30+ providers), actress collections, cross-language tag aliases, and a REST API for AI agents.

Open-source quantitative decision lab: test market assumptions, preserve negative results, and reproduce evidence.

Polar — A billing platform for the intelligence era

Real-time intraday stock scanner for US equities with a browser dashboard you lay out yourself

Open source alternative for frame.io

Open-source construction ERP - BOQ, PDF/CAD/BIM takeoff, AI cost matching, 293 guided cases. 120,000+ priced positions, 44 languages, 190+ modules, cost data for 40+ markets. AGPL-3.0. pip install openconstructionerp

Local-first AI trading journal. Import your broker CSV, get round-trip trades, KPIs and Claude-powered diary analysis. Runs on your own machine. No account, no telemetry, MIT.

🪓 An orchestration engine for background tasks, AI agents, and durable workflows

Your Self-Hosted Knowledge Base

AI observability platform for production LLM and agent systems.

Self-hosted asset management for 3D printing files, slicer metadata, and printer workflows.

Who the good traders on Robinhood Chain are buying: resolved wallets, a 20-second on-chain tape, provenance on every fill, AI verdicts, bursts and exits. Site + Telegram bot + API. Runs on $0/month.

Fast, beautiful and extensible administrative interface framework for FastApi & Starlette applications

Local-first recruitment intelligence and application operations agent

Webchat to API