Format Magic - The Automated Document Formatter
Format Magic
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120.dev
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Introduction
Native desktop apps built for speed, privacy, and AI.
Listed on
July 27, 2026
What is 120.dev?
120.dev is a suite of AI-powered native desktop applications designed for macOS, Windows, and Linux. The flagship product, 120 AI Chat, provides a multi-threaded, private chat interface that connects to various AI providers. Other apps include a Hacker News reader and a visual database editor, all built with a focus on high performance and cross-platform consistency.
How to use 120.dev?
- To get started with 120 AI Chat, visit 120.dev/ai-chat, download the macOS installer (.dmg), open the file, and drag the app into your Applications folder. After installation, you can configure your own API keys for supported AI providers, or set up local models via Ollama or LM Studio.
Core features of 120.dev
- Native-first architecture (no Electron)
- Smooth performance up to 120FPS
- Multi-threaded AI chat
- Bring your own API keys (no subscription)
- Private by default (data stored locally)
- Cross-platform support (macOS, Windows, Linux)
- Reusable UI components and themes
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