GPT GitHub Repositories (2026) · Open Source Tools

💥 Fast State-of-the-Art Tokenizers optimized for Research and Production

LightLLM is a Python-based LLM (Large Language Model) inference and serving framework, notable for its lightweight design, easy scalability, and high-speed performance.

A C#/.NET library to run LLM (🦙LLaMA/LLaVA) on your local device efficiently.

APEX turns Azure platform engineering requirements into verified, deploy-ready IaC — powered by GitHub Copilot agents, real-time pricing, and built-in compliance.

The easiest way to use Ollama in .NET

llama.cpp (GGUF LLMs) and llava.cpp (GGUF VLMs) for ROS 2

Autonomous Engineering

Dynamiq is an orchestration framework for agentic AI and LLM applications

Open-source AI pair programming for desktop: a Mentor + Executor agent cross-check each other's code to catch AI hallucinations. Works with Claude Code, Codex, Gemini & opencode. macOS / Windows / Linux.

🤑 Open-source personal finance tracking web application with SMS parser

🏗️ Fine-tune, build, and deploy open-source LLMs easily!

Pax is a Jax-based machine learning framework for training large scale models. Pax allows for advanced and fully configurable experimentation and parallelization, and has demonstrated industry leading model flop utilization rates.

🎩 An Alfred 5 Workflow for using OpenAI Chat API to interact with GPT models 🤖💬 It also allows image generation/editing/understanding 🖼️, speech-to-text conversion 🎤, and text-to-speech synthesis 🔈

A powerful AI keyboard for reliable speech transcription

gproxy is a Rust-based multi-channel LLM proxy that exposes OpenAI / Claude / Gemini-style APIs through a unified gateway, with a built-in admin console, user/key management, and request/usage auditing.

A private, modular node based AI workspace for thinking and creation. Seamlessly connect to Ollama, OpenAI, Gemini, Anthropic, and Groq models in one unified, node-based interface for reasoning, visualization, and exploration — all running locally or via API.

One interface for 1,000+ LLMs, with zero-code switching and built-in observability. (GPT 6 / Claude 5 / Gemini 4)

Compile and run CUDA on Apple M4-M5 GPUs

an open-source, from-first-principles reconstruction of the ideas behind TypeSafe AI's Jev, written in pytorch

A Python toolkit for lattice field theory, quantum computing, and machine learning