# Witsy (open-source AI desktop app)

> Witsy is a free, open-source AI desktop app for Windows, macOS and Linux. Witsy: desktop AI assistant / universal MCP client. It has 2,038 GitHub stars and is released under the AGPL-3.0 license. Its source code is on GitHub at Kochava-Studios/witsy.

Witsy is a BYOK (Bring Your Own Keys) AI application: it means you need to have API keys for the LLM providers you want to use. Alternatively, you can use Ollama to run models locally on your machine for free and use them in Witsy.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/Kochava-Studios/witsy |
| Platforms | Linux, macOS, Windows |
| Interface | desktop GUI |
| GitHub stars | 2,038 |
| License | AGPL-3.0 (open source) |
| Replaces | n/a |
| Language | TypeScript |
| Website | none listed |
| Official | no |
| Category | AI desktop apps |
| Latest release | v3.5.2 (Mar 4, 2026) |
| Last commit | Apr 9, 2026 |

## Install

### Homebrew (macOS)

```sh
brew install --cask witsy
```

Package page: https://formulae.brew.sh/cask/witsy

## Similar desktop apps

- [Ollama](https://appsgit.com/desktop-apps/ollama): Get up and running with Kimi, GLM, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models. (182,515 stars, MIT, official)
- [Cc Switch](https://appsgit.com/desktop-apps/cc-switch): A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Grok Build & Hermes Agent. (141,042 stars, MIT)
- [NextChat](https://appsgit.com/desktop-apps/nextchat): Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. (88,834 stars, MIT)
- [Pake](https://appsgit.com/desktop-apps/pake): 🏻 Turn any webpage into a desktop app with one command. (61,934 stars, GPL-3.0)
- [Cherry Studio](https://appsgit.com/desktop-apps/cherry-studio): AI productivity studio with smart chat, autonomous agents, and 300+ assistants. (52,430 stars, AGPL-3.0)
- [Chatbox](https://appsgit.com/desktop-apps/chatbox): Your Ultimate AI Copilot on the Desktop. Chatbox is a desktop client for ChatGPT, Claude and other LLMs, available on Windows, Mac, Linux. (41,966 stars, GPL-3.0)

---

Canonical page: https://appsgit.com/desktop-apps/witsy
Source: appsgit (https://appsgit.com), the app store for github. Data from the GitHub API, refreshed nightly.
Machine access: JSON API https://appsgit.com/api/v1/apps (OpenAPI: https://appsgit.com/openapi.json), MCP server https://mcp.appsgit.com/mcp, full index https://appsgit.com/llms-full.txt.