# open-source

A collective list of free APIs

prompts.chatは、ChatGPTやClaude、Geminiなど様々なAIチャットツールで使える「お手本の質問文（プロンプト）」を集めた世界最大のオープンソースライブラリです。2022年12月に最初のプロンプト集として誕生し、Gi

FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit, Same.dev, Trae, Traycer AI, VSCode Agent, Warp.dev, Windsurf, Xcode, Z.ai Code, Dia & v0. (And other Open Sourced) System Prompts, Internal Tools & AI Models

Godot Engine – Multi-platform 2D and 3D game engine

Open-source AI job search: scan job portals, evaluate listings with a structured A-F rubric into a 1.0-5.0 score, tailor your CV, track applications — runs locally in your AI coding CLI (Claude Code, Codex, OpenCode, Antigravity…)

Extracted system prompts from Anthropic - Claude Fable 5, Opus 4.8, Claude Code, Claude Design. OpenAI - ChatGPT 5.5 Thinking, GPT 5.5 Instant, Codex. Google - Gemini 3.5 Flash, 3.1 Pro, Antigravity. xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more. Updated regularly.

World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant into a full video production studio.

The open alternative to Salesforce, designed for AI.

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

🕵️‍♂️ Collect a dossier on a person by username from 3000+ sites

The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol

open-source coding agent

AirLLM 70B inference with single 4GB GPU

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

OpenScreenは、製品デモやチュートリアル動画を美しく仕上げるための無料デスクトップアプリです。有料の動画編集ツール「Screen Studio」の代替として作られており、画面録画にズーム効果やモーションブラー（動きのなめらかさを出す

Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applications by yourself or your organization. Including Cloud, LLMs, WireGuard, Automation, Home Assistant, and Networking.

Fully autonomous AI Agents system capable of performing complex penetration testing tasks

Open source DocuSign alternative. Create, fill, and sign digital documents ✍️

Open-source alternative to AI video platforms — Free AI image & video generation studio with 200+ models (Flux, Midjourney, Kling, Sora, Veo). No content filters. Self-hosted, MIT licensed.

Open-source AI coworker, with memory

Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal knowledge management (PKM), and an open-source Notion alternative. Based on Karpathy's LLM Wiki pattern.

A beautiful, powerful, self-hosted rom manager and player.

A self-hosted travel/trip planner with real-time collaboration, interactive maps, PWA support, SSO, budgets, packing lists, and more.

Desktop app to generate 3D models from images or prompt using local AI — runs entirely on your GPU

Free, open-source Windows optimization tool for performance, privacy, and simplicity.

🎵 The Ultimate Open Source Suno Alternative - Professional UI for ACE-Step 1.5 AI Music Generation. Free, local, unlimited. Stop paying for Suno!

Open-source, ad-free Android multimedia recorder with background video recording, screen recording, live streaming, and remote camera control