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Open Source Local Model Runners using CSS

A curated collection of the best open source run and serve large language models locally or on your own infrastructure. using CSS.

Run open-source LLMs locally on your own machine
  • Stars

    183,909
  • Last commit

    12 hours ago
  • License

    MIT
Runs open-source language models locally with a simple setup, plus optional cloud access for larger models when local hardware isn't enough.

Open Source Alternative to:

Run LLMs locally with minimal setup, maximum hardware support
  • Stars

    131,767
  • Last commit

    6 hours ago
  • License

    MIT
C/C++ inference engine for large language models, supporting quantization, multi-GPU, Apple Silicon, and an OpenAI-compatible server across a wide range of hardware.

Open Source Alternative to:

High-throughput, memory-efficient serving engine for LLMs
  • Stars

    94,189
  • Last commit

    6 hours ago
  • License

    Apache-2.0
Inference and serving engine for large language models, built for speed and hardware efficiency with an OpenAI-compatible API and support for a wide range of open models.

Open Source Alternative to:

Run open-source AI models privately on your own device
  • Stars

    77,353
  • Last commit

    1 year ago
  • License

    MIT
GPT4All runs open-source language models locally on Windows, macOS, and Linux with no cloud dependency, keeping your data on your machine.

Open Source Alternative to:

Self-hosted AI runtime for text, voice, vision, and agents
  • Stars

    49,758
  • Last commit

    6 hours ago
  • License

    MIT
Run LLMs, speech, image generation, and autonomous agents on your own hardware with an OpenAI-compatible API and 60+ swappable backends.

Open Source Alternative to:

Jan

AI
Run AI models locally or connect to cloud, privately
  • Stars

    45,019
  • Last commit

    6 hours ago
  • License

    Apache-2.0
Jan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.

Open Source Alternative to: