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Best LLM Chat Tools

LLM chat tools are the front door to modern AI — from general assistants to specialist chat UIs. Scan ranked options here, then open the compare page for a compact decision table.

Open compare table Related: Best Coding Agent Tools · Best RAG Tools · Best Open Source AI Tools · Best AI Image Generation Tools

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1,960 tools · sorted by quality

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AstrBot

AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw alte...

Score 100 GitHub stars 40,905 Open source
txtai

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

Score 100 GitHub stars 12,972 Open source
cc-haha

Local-first cross-platform desktop workspace for Claude Code / agents: multi-agent, Git worktrees, code diffs, skill marketplace, multi-mode...

Score 100 GitHub stars 14,701 Open source
onyx

Open Source AI Platform - AI Chat with advanced features that works with every LLM

Score 100 GitHub stars 32,236 Open source
khoj

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Tur...

Score 100 GitHub stars 37,390 Open source
claude-code-tips

45+ tips for getting the most out of Claude Code, from basics to advanced - includes a custom status line script and Claude Code running its...

Score 100 GitHub stars 10,102 Open source
mcp-use

The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.

Score 100 GitHub stars 10,667 Open source
khazix-skills

数字生命卡兹克开源的 AI Skills 合集 | Agent Skills: leader(帮你定义目标), neat-freak 洁癖, hv-analysis, khazix-writer & more — Claude Code...

Score 100 GitHub stars 19,874 Open source
CodexBar

Show usage stats for OpenAI Codex and Claude Code, without having to login.

Score 100 GitHub stars 21,875 Open source
repomix

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your code...

Score 100 GitHub stars 28,475 Open source
CowAgent

Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-agent, mul...

Score 100 GitHub stars 47,096 Open source
graphify

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Curso...

Score 100 GitHub stars 120,678 Open source
LibreChat

Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, Open...

Score 100 GitHub stars 44,876 Open source
career-ops

Open-source AI job search: scan job portals, evaluate listings into a structured A-H report with a global 1-5 score, tailor your CV, track a...

Score 100 GitHub stars 71,722 Open source
rocketride-server

High-performance AI pipeline engine with a C++ core and 50+ Python-extensible nodes. Build, debug, and scale LLM workflows with 13+ model pr...

Score 100 GitHub stars 11,013 Open source
codeburn

Free, local tool to track AI coding token usage and cost across 37 tools and agents (Claude Code, Cursor, Codex, Gemini and more), by model,...

Score 100 GitHub stars 11,130 Open source
Website LLMs.txt

Automatically generate and manage LLMS.txt files for LLM/AI content understanding, with full Yoast SEO, Rank Math, SEOPress, and AIOSEO inte...

Score 100 Active installs 40,000 Open source
claudian

An Obsidian plugin that embeds Claude Code/Codex as an AI collaborator in your vault

Score 100 GitHub stars 15,297 Open source
MNN

MNN: A blazing-fast, lightweight inference engine battle-tested by Alibaba, powering high-performance on-device LLMs and Edge AI.

Score 100 GitHub stars 16,133 Open source
ECC

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Code...

Score 100 GitHub stars 265,827 Open source
casdoor

An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MC...

Score 100 GitHub stars 14,463 Open source
vllm

A high-throughput and memory-efficient inference and serving engine for LLMs

Score 100 GitHub stars 92,600 Open source
BrowserOS

🌐 The open-source Agentic browser; alternative to ChatGPT Atlas, Perplexity Comet, Dia.

Score 100 GitHub stars 13,739 Open source
unsloth

Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, DeepSeek-V4, MiniMax-H3, Gemma 4, FLUX and more.

Score 100 GitHub stars 76,706 Open source
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