Osaurus
Open source
FreeFree forever
Overview
Osaurus is a free and open-source AI runtime optimized for Apple Silicon Macs that lets you run large language models locally with native performance and privacy. It includes a SwiftUI desktop app, a local server compatible with OpenAI and Ollama APIs, a model manager, real-time system monitor, and a lightweight chat UI. Designed for developers and power users, Osaurus enables offline AI inference and integration with existing tools without cloud dependency.
Key features
- Local AI
- Apple Silicon
- Open source
- LLM server
- Privacy focused
- Native performance
- OpenAI API compatible
- Ollama compatible
- Model manager
- Menu bar chat
- SwiftUI app
- CLI support
- Offline AI

