VoiceStudio is the open-source, fully-local ElevenLabs alternative — voice cloning, voice design, video dubbing, dictation, transcription & audiobook creation in 646 languages.
Open-source State-of-the-art TTS model which runs on a CPU 😻
Claudemy: an open-source alternative to Udemy and Coursera. Give Claude a topic, it researches the web and builds a course of 2-minute audio lessons with cited sources. A free Claude Code skill.
Rust-based FPS optimizer for games: frame-rate stability, lower input latency, process priority tuning, memory cleanup and power-plan presets. Lightweight, reversible, open-source performance tool for Windows.
Fortnite FPS Booster: frame-rate stability, lower input latency, process priority tuning, memory cleanup and power-plan presets for Fortnite on Windows. Lightweight, reversible, open-source performance optimizer.
Free Instagram view booster for Reels, Stories and Videos. Increase views, reach and engagement with smart delivery system. Easy to use, multiple safety modes, fully configurable.
Raspberry Pi radar display for the Raymarine Quantum: AIS, anchor watch, Signal K, OpenPlotter, mayara. Runs on the Pi screen or in any browser. Free for non-commercial use.
Open-source confidential GPU inference cloud in a box: Intel TDX + NVIDIA confidential-computing nodes for DeepSeek-V4.1-Flash and GLM-5.3, verifiable and listed on TrustedRouter
A calmer, redesigned media player built on the VLC engine, for Windows, Linux and macOS. Hover-only controls, seek bar previews, a music library, a drag-to-sync subtitle timeline, per-show presets, themes and auto-updates. Based on Juxtopposed's VLC redesign.
Open-source AI tools for making games, and for decompiling, remixing and mashing up games you own. 100+ stars, active in the last year, refreshed daily.
TEIN AI: the final glossy facial-performance mask workflow, with animated examples and reproducible setup.
TuckBit: right tools, scoped context and adaptive workflows on cue. Portable efficiency skills/plugins for Codex, Claude, Gemini and more.
A collective list of free APIs
The agent engineering platform.
Open-source Python library for AI browser agents, plus Browser Use Cloud: stealth browsers and a hosted agent API.
Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key. Join our Discord https://discord.gg/VuxzM8mtf
An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.
Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.
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 best-benchmarked open-source AI memory system. And it's free.
The open-source AI voice studio. Clone, dictate, create.
Open-Source Frontier Voice AI
Ultra-lightweight, open-source, self-hosted personal AI agent framework in Python with WebUI, tools, memory, MCP, multi-agent workflows, automation, and chat apps
Open-source personal AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-agent, multi-model, multi-channel. Lightweight, extensible, one-line install.
Build resilient agents.
🕵️♂️ Collect a dossier on a person by username from 6K websites
Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with small models for free
JumpServer is an Open-source Privileged Access Management (PAM) platform with AI-powered capabilities, providing DevOps and IT teams a unified workspace to securely access SSH, RDP, Kubernetes, databases, websites, RemoteApp, VirtualApp, and more.
🕸️ Web apps in pure Python 🐍
The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.
Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
🔥 MaxKB is an open-source platform for building enterprise-grade agents. 强大易用的开源企业级智能体平台。
Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
Open-source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications. Both self-hosted and Cloud.
An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
Open-source speech recognition toolkit for training, inference, streaming ASR, VAD, punctuation, speaker diarization pipelines, and OpenAI-compatible/MCP serving.
open-source agentic AI data assistant for the next generation of AI + Data products.
Universal SEO skill for Claude Code. 26 sub-skills + 19 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, agent readiness (Lighthouse Agentic Browsing, WebMCP, llms.txt), backlinks, local SEO, e-commerce, international SEO, Google APIs, and PDF/Excel reporting. 9 optional extensions for live SEO data.
The best free and open-source automated time tracker. Cross-platform, extensible, privacy-focused.
GenBI (Generative BI) for AI agents, an open-source, governed text-to-SQL through an open context layer that turns natural-language questions into trusted dashboards, charts, and SQL across 20+ data sources, such as BigQuery, Snowflake, PostgreSQL, ClickHouse, Amazon Redshift, Databricks and more.
CVAT is a leading data annotation platform for image, video, audio, and 3D datasets. It offers open-source, cloud, and enterprise products, as well as labeling services, with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.
Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.
A list of open source games.
Air-gapped, privacy-focused, open-source NotebookLM alternative. AI agent that researches, transforms, and edits your documents. Join our Discord: https://discord.gg/ejRNvftDp9
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.
Prowler is the world’s most widely used open-source cloud security platform that automates security and compliance across any cloud environment.
基于 Playwright 和AI实现的闲鱼多任务实时/定时监控与智能分析系统,配备了功能完善的后台管理UI。帮助用户从闲鱼海量商品中,找到心仪产品。
Open-source, secure environment with real-world tools for enterprise-grade agents.
A beautiful, powerful, self-hosted ROM manager and player.
Build voice agents with open-source models
🚀 PR Agent: The Original Open-Source PR Reviewer. This project is not the Qodo free tier.
Open-source AI Trading OS, agent trading, and vibe trading, with Jev System One integration. Research, build Python strategies, backtest, and paper/live trade across crypto, stocks, and forex. Launch your own multi-tenant trading SaaS with built-in user management, billing, payments, and settlement.
Run any open-source LLMs, such as DeepSeek and Llama, as OpenAI compatible API endpoint in the cloud.
The open-source AIOps and alert management platform
Open-source vacuum robot cleaner
A list of Free and Open Source Software (FOSS) for Android – saving Freedom and Privacy.
An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.
Open-source intelligence for the global theater. Track everything from the corporate/private jets of the wealthy, and spy satellites, to seismic events in one unified interface. Hook an AI agent up to have it parse through data and find previously unseen correlations. The knowledge is available to all but rarely aggregated in the open, until now.
Open-source framework for conversational voice AI agents