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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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2,018 tools · sorted by quality

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CORAL

Open-source autoresearch powered by autonomous coding agents. Run Claude Code, OpenCode, and Codex with grading, shared knowledge, and multi...

Score 95 GitHub stars 1,007 Open source
YLabs AI Assistant Connector

Connect your WordPress site to AI assistants like ChatGPT and Claude via WP Agent — SEO meta writing, site overview, and reliable authentica...

Score 95 Active installs 1,000 Open source
LLMs.txt Generator

Optimize your WordPress content for AI discovery and interaction through the llms.txt file, the robots.txt for AI engines.

Score 95 Active installs 1,000 Open source
VigIA – AI Visibility, Analytics & Control

Monitor 60+ AI crawlers, control access via robots.txt, and boost your AI visibility with llms.txt, JSON-LD, Markdown for Agents & Visibilit...

Score 95 Active installs 1,000 Open source
agentsys

AI writes code. This automates everything else · 24 plugins · 49 agents · 44 skills · for Claude Code, OpenCode, Codex, Cursor, Kiro.

Score 95 GitHub stars 987 Open source
vectordb-recipes

Resource, examples & tutorials for multimodal AI, RAG and agents using vector search and LLMs

Score 95 GitHub stars 975 Open source
Automodel

🚀 Pytorch Distributed native training library for LLMs/VLMs with OOTB Hugging Face support

Score 95 GitHub stars 973 Open source
open-agent-hub

A lightweight, zero-dependency CLI tool to manage and activate capabilities for AI coding assistants (such as Claude Code, Cursor, Trae, etc...

Score 95 GitHub stars 973 Open source
Skills-Manager

Free, open-source desktop manager for AI Agent Skills. Write a skill once, sync it to 32 AI coding tools (Claude Code, Codex, Cursor, Gemini...

Score 95 GitHub stars 973 Open source
Dark-Moon

Open source autonomous AI penetration testing platform. 50+ specialist agents for AI security testing across web, API, cloud, Active Directo...

Score 95 GitHub stars 968 Open source
agent-memory

Long-term memory runtime for AI agents — plain Markdown as the source of truth, local ranked retrieval, and an independent sleep-time Manage...

Score 95 GitHub stars 966 Open source
cain-agent

Real-world AI penetration testing engineer for authorized assessments — built-in cloud module covering AWS/Azure/GCP + Aliyun/Tencent/Huawei...

Score 95 GitHub stars 962 Open source
chatgpt-cli

ChatGPT CLI is a powerful, multi-provider command-line interface for working with modern LLMs. It supports OpenAI, Azure, Perplexity, LLaMA,...

Score 95 GitHub stars 961 Open source
three-man-team

A structured 3-agent AI dev team — Architect, Builder, Reviewer. Built from production use. Token-optimized. Works with Claude Code, VS Code...

Score 95 GitHub stars 949 Open source
AI-Bootcamp

Self-paced bootcamp on Generative AI. Tutorials on ML fundamentals, Ollama, LLMs, RAGs, LangChain, LangGraph, Fine-tuning, DSPy & AI Agents...

Score 95 GitHub stars 946 Open source
aimock

Mock everything your AI app talks to — LLM APIs, MCP, A2A, AG-UI, vector DBs, search. One package, one port, zero dependencies.

Score 95 GitHub stars 941 Open source
ChattyPlay-Agent

🚀 告别多个App!本项目主要基于Python+React+TypeScript+Hono+SQLite3+Redis,打造“All in One”智能工具集。免会员播放爱奇艺、腾讯视频、优酷、抖音...

Score 95 GitHub stars 941 Open source
OpenCompany

Self-improving AI Employees turning LLM tokens into work and dollars.

Score 95 GitHub stars 940 Open source
optim-agent

LLM agents as your hyperparameter optimizer.

Score 95 GitHub stars 932 Open source
agent-deck

Terminal session manager for AI coding agents. One TUI for Claude, Gemini, OpenCode, Codex, and more.

Score 95 GitHub stars 934 Open source
openeverest

OpenEverest is an open-source platform for automated database, storage and LLMs provisioning and management. It supports multiple technologi...

Score 95 GitHub stars 929 Open source
Citadel

The operating layer for Claude Code + OpenAI Codex: persistent project memory, intent routing, safety hooks, cost telemetry, and parallel ag...

Score 95 GitHub stars 923 Open source
claude_code_agent_farm

Orchestration framework for running 20+ Claude Code agents in parallel: automated bug fixing, best-practices sweeps, lock-based coordination...

Score 95 GitHub stars 918 Open source
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