Language Model GitHub Repositories (2026) · Open Source Tools

21 Lessons, Get Started Building with Generative AI

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

The official gpt4free repository | various collection of powerful language models | opus 4.6 gpt 5.3 kimi 2.5 deepseek v3.2 gemini 3

Build voice agents with open-source models

Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.

Use 30+ AI models (DeepSeek, Kimi, GLM, Claude, GPT-5.5, Gemini, Grok) in GitHub Copilot Chat - free via BYOK. No Copilot Pro needed.

💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows

Daily-updated list of free AI models (free LLM APIs), ranked by quality with live status. Plus one OpenAI-compatible endpoint that routes to the best one.

Harness LLMs with Multi-Agent Programming

The Runpod worker template for serving our large language model endpoints. Powered by vLLM.

ChatGPT CLI is a powerful, multi-provider command-line interface for working with modern LLMs. It supports OpenAI, Azure, Perplexity, LLaMA, and more, with features like streaming, interactive chat, prompt files, image/audio I/O, MCP tool calls, and an experimental agent mode for safe, multi-step automation.

A simple Java library for interacting with Ollama server.

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

C++ Implementation of PyTorch Tutorials for Everyone

Language model search engine built on a vector database and an anything key/value store.

Keras based framework for neuro-symbolic LM systems

Open language modeling toolkit based on PyTorch

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.

Rails Engine with MCP compliant Spec.

PSSA: a non-transformer language model written from scratch in Rust. Recurrent state-space layer, episodic memory, self-modifying weights, CUDA training, and a full terminal dashboard.