Jan
Open-source desktop app for running LLMs locally with a clean GUI
Jan is an open-source desktop application for running large language models locally on macOS, Windows, and Linux. It provides a ChatGPT-style interface backed by local inference (via llama.cpp) with no internet connection required after model download. Supports Llama, Mistral, Phi, and Gemma families, and can connect to remote APIs (OpenAI, Anthropic, Groq) as an alternative front-end. Built by Menlo Research under Apache-2.0.
Pricing: Free
Jan Alternatives
Explore 25 products in the Frameworks & Stacks category. View all Jan alternatives.
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Desktop app and Python SDK for running open-source LLMs locally on any device
llama.cpp
LLM inference in C/C++ with broad hardware support and aggressive quantization
Google ADK
Open-source agent development kit from Google for building multi-agent systems
Ollama
Run large language models locally with a single command
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