Ollama
Generative Artificial Intelligence (GenAI)Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, and other large language models.
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- ★ 184k
- Licence
- MIT
- Updated
- Docker
Alternative to ChatGPT

Open-source desktop ChatGPT alternative that runs models fully offline
From GitHub, fetched 19 Oct 2026.
Jan is a desktop app for Windows, macOS and Linux that downloads and runs open models on your own computer, with an optional local OpenAI-compatible API server. It can also connect to cloud models when you want them.
Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, and other large language models.
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