The database of free AI tools on GitHub

AI-powered collaborative workspace for project management and note-taking.

Turn any website into a lightweight desktop app with one command, on macOS, Windows and Linux.

AI-powered translation and text polishing tool for multiple languages.

Streaming music player that finds free music for you

Build realtime web, mobile and desktop apps in Python only. No frontend experience required.

AI assistant for managing email inbox and calendar.

AI-powered note-taking tool for capturing and organizing thoughts.

Library for conversion between Traditional and Simplified Chinese

Automatically tracks work on Mac using AI for detailed time and activity journaling.

AI-powered note-taking and research tool for organizing files and webpages.

A single-file relational spreadsheet for you and your agent.

Keyboard-first local Markdown notes with Vim motions, diagrams, and MCP integration.

A high-performance, cross-platform editor that supports WYSIWYG Markdown and general text editing.

An offline-first scientific writing workspace powered by Claude. LaTeX + Python + 100+ scientific skills all running locally.

开源微信 Bot 管理平台 + App 应用市场 | Self-hosted WeChat Bot Platform with App Marketplace | Lark · Slack · Discord · DingTalk · GitHub · Notion · 20+ Apps | AI Tools | 7 Language SDKs

Real-time two-way speech translation for bilingual meetings — auto-detects the spoken language and translates both directions, cloud or fully offline on-device. Desktop (Windows · macOS · Linux) + bro

Convert your ChatGPT export (ZIP) into clean Markdown text files with inline media, and generate data visualizations like word clouds and usage graphs.

AI molecular design tool for de novo design, scaffold hopping, R-group replacement, linker design and molecule optimization.

Note Companion: AI assistant for Obsidian that goes beyond just a chat. (prev File Organizer 2000)

Cross-platform desktop app for cleaning development artifacts, managing local developer tools, and checking common environment issues.

End-to-end AI-powered academic paper writing system — from idea generation and literature search to experiment execution, result backfill, and LaTeX paper compilation. Supports multi-LLM routing, SSH

A Raycast Extension for looking up words or translating text in an easy way. Support 48+ languages, support Linguee and Youdao dictionary, support OpenAI, DeepL, Google, Bing, Apple, Baidu, Tencent, V

Kition brings Markdown, DataTable, WhiteBoard, a tool-using AI agent, browser research, and visual workflows into one desktop workspace.

The next-generation Markdown editor, with an AI writing assistant. Free and open source for macOS, Windows and Linux.

High-performance Model Context Protocol (MCP) server for Obsidian that provides AI tools with direct vault access through semantic operations and HTTP transport.

Run Claude Desktop’s Cowork mode natively on Linux — no macOS or VM required

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Full-featured, multi-account MCP email server for Windows, macOS, and Linux—read, search, organize, and send email via IMAP and SMTP.

A desktop-first literature manager for PDF reading, translation, paper overviews, and AI agent workflows.

SnapCut（简截）——轻巧但不将就的 Windows 和 macOS 截图工作台：框选截图、长截图、区域录屏、钉图取色、标注、OCR 与翻译一体化。支持保留右键菜单和悬浮提示，数据永久留在本机。