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LLM apps

Open-source LLM apps and frameworks

This is the broadest group: chat interfaces, SDKs and frameworks, prompt and evaluation tools, and applications built on large language models. Many work with models from several providers, and some can run models on your own hardware.

How to choose

For anything you plan to ship, check three facts first: the licence, because some popular projects restrict commercial use; whether it supports the model provider you already use; and whether it is still maintained. The At a glance box on every project page answers the licence and maintenance questions from GitHub data.

Most-starred projects

3,577–3,600 of 4,156
★ 422

Model Context Protocol server for Firefox DevTools - enables AI assistants to inspect and control Firefox browser through the Remote Debugging Protocol

TypeScript
styler-ai

ProjectAtlas

★ 422

Every file not opened. Every folder not explored. Tokens saved. ProjectAtlas guides coding agents with purpose metadata and an intelligent code graph, reducing token costs by over 90%.

Rust
UditAkhourii

neuroarxiv

★ 422

A skill to kill from-scratch coding — Claude checks real arXiv prior art before it designs a new architecture.

TypeScript
★ 421

Marketing frameworks that AI actually executes. Designed for Claude Code, but could be used for OpenClaw, etc.

Shell
gyunggyung

AGI-Papers

★ 421

A curated archive of breakthroughs in Agents, Architecture, Training, RAG, and On-Device AI.

ibrahimqureshae

mdflux

★ 421

Turn any document into clean, AI-ready Markdown. Local-first desktop app: reads scanned PDFs, batches folders, runs offline, and uses far fewer tokens than vision models.

Python
Laxcorp-Research

project-raven

★ 421

Open-source AI meeting copilot - real-time transcription, echo cancellation, and AI assistance. Captures system audio + mic, cancels echo via WebRTC AEC3, transcribes with Deepgram, and gives you Claude/OpenAI help during meetings. Runs locally on macOS and Windows.

TypeScript
pax-beehive

paxm

★ 421

Persistent, provider-neutral memory for Codex, Claude Code, OpenCode, Pi, and MCP coding agents.

Go
Arvo-AI

aurora

★ 420

Aurora — Open source AI-powered agentic incident management & root cause analysis for SREs. LangGraph agents investigate across AWS, Azure, GCP, Kubernetes. Integrates with PagerDuty, Datadog, Grafana, Slack and More. Apache 2.0.

Python
mudler

vllm.cpp

★ 420

a community oriented 1:1, vLLM-alike (Continuous batching, paged KV) engine in C++ with additional features (GGUF, RadixAttention, Cache-aware scheduling, ...)

C++
★ 420

VexJoy AI Agent with Intelligent Routing - /do routes plain-English requests to the right specialist agent and gates the work with reviews, tests, and a learning loop.

Python
OrionStarAI

EasyCode

★ 420

Easy Code (formerly DeepV Code) — A highly customizable AI coding assistant compatible with all major AI models. The perfect alternative to Claude Code and Codex, offering deep code analysis, intelligent suggestions, version rollback, multi-device sync, and automated testing across multiple languages and platforms.

TypeScript
viettranx

3dviz-pro-max

★ 420

Agent skill for creative 3D visualization: turn an idea into a Three.js/Blender scene worth exploring. Claude Code + Codex plugin, 223 recipes, 440 knowledge records, 22 proved kits, 37 runnable studies.

JavaScript
Aspegio

nelson

★ 419

Organisation for Claude Code inspired by time-tested Royal Navy operating procedures.

Python
shanliuling

dsh-image-gen

★ 419

AI image studio for DeepSeek Harness — generate, edit & compare images in chat, with 500+ prompts, gallery, multi-model workflows and ComfyUI.

TypeScript
chtmp223

topicGPT

★ 418

TopicGPT: A Prompt-Based Framework for Topic Modeling [NAACL'24]

Python
Kevin-Liu-01

Claude-of-Tanks

★ 418

A World of Tanks-style, Vite-powered, engine-free pure Three.js armored combat simulator resolving plate-level armor, ballistics, modules, spotting, and physics, with 121 tanks and 20 destructible battlefields. Playable entirely in the browser on desktop and mobile devices. Built end-to-end by a multi-agent Claude/Codex pipeline.

TypeScript
0xgasless

agentkit

★ 417

AgentKit is a toolkit that gives AI agents access to crypto wallets and onchain functionality. Powered by the 0xGasless AgentKit SDK.

TypeScript
★ 417

CAIPE is an open-source AI platform for building, governing, and operating AI agents and agentic workflows for platform engineering and beyond.

TypeScript
dreadnode

rigging

★ 417

Lightweight LLM Interaction Framework

Python
★ 417

Save 94% on AI coding tokens. Index your codebase, agents search instead of reading files. Works with Claude Code, Codex, Copilot, Cursor, Gemini CLI. Local MCP server, free, open source.

Python
ryoppippi

curxy

★ 417

Simple proxy worker for using ollama in cursor

TypeScript