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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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2,028 tools · sorted by quality

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mcp-google-map

A powerful Model Context Protocol (MCP) server providing comprehensive Google Maps API integration with LLM processing capabilities.

Score 93 GitHub stars 450 Open source
ntm

Named Tmux Manager: spawn, tile, and coordinate multiple AI coding agents (Claude, Codex, Gemini) across tmux panes with a TUI command palet...

Score 93 GitHub stars 450 Open source
solon-ai

Java AI application development framework (supports LLM-tool,skill; RAG; MCP; Agent-ReAct,Team-Agent). Compatible with java8 ~ java25. It ca...

Score 93 GitHub stars 449 Open source
beever-atlas

Your First LLM-Wiki Conversation Knowledge Base

Score 93 GitHub stars 447 Open source
coreai-model-zoo

Downloadable models and conversion recipes for Apple's Core AI on iPhone and Mac. Chat, vision, speech and generative models with per-model...

Score 93 GitHub stars 445 Open source
rllm

Pytorch Library for Relational Table Learning with LLMs.

Score 93 GitHub stars 442 Open source
pi-agent-desktop

Pi — A cross-platform AI coding agent, bringing the Claude Code experience to your desktop. No environment setup, no terminal commands. Down...

Score 93 GitHub stars 443 Open source
llm-inference-handbook

Everything you need to know about LLM inference

Score 93 GitHub stars 440 Open source
chatluna

多平台模型接入,可扩展,多种输出格式,提供大语言模型聊天服务的插件 | A bot plugin for LLM chat with multi-model integration, extensibility,...

Score 93 GitHub stars 441 Open source
output

The open-source TypeScript framework for building AI workflows and agents. Designed for Claude Code describe what you want, Claude builds it...

Score 93 GitHub stars 440 Open source
Prysai-LLM-Playbook

An evidence-led, eight-locale LLM playbook: a transferable core, the Codex flagship track, and adapters for ChatGPT, Claude Code, Gemini, De...

Score 93 GitHub stars 439 Open source
Gito

An AI-powered GitHub code review tool that uses LLMs to detect high-confidence, high-impact issues—such as security vulnerabilities, bugs, a...

Score 93 GitHub stars 437 Open source
repo-harness

File-backed workflow harness for reliable Claude Code and Codex sessions.

Score 93 GitHub stars 435 Open source
KKTerm

Super-tool for vibe coders & system admins — terminals, SSH, SFTP, RDP/VNC, dashboards, install helpers, and a built-in AI assistant.

Score 93 GitHub stars 434 Open source
snip

CLI proxy that reduces LLM token usage by 60-90%. Declarative YAML filters for Claude Code, Cursor, Copilot, Gemini. rtk alternative in Go.

Score 93 GitHub stars 432 Open source
ai4j

Java 8+ agentic SDK: unified LLM access (OpenAI/Anthropic/DashScope/Doubao/DeepSeek...), Tool Calling, MCP, RAG, Agent Runtime, and a built-...

Score 93 GitHub stars 430 Open source
registry-broker-skills

AI agent skills for the Universal Registry - search, chat, and register 72,000+ agents across 14+ protocols. Works with Claude, Codex, Curso...

Score 93 GitHub stars 429 Open source
vllm.cpp

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

Score 93 GitHub stars 428 Open source
claude-code-cache-fix

Fixes prompt cache regression in Claude Code that causes up to 20x cost increase on resumed sessions

Score 93 GitHub stars 425 Open source
ai-llm-comparison

A website where you can compare every AI Model ✨

Score 93 GitHub stars 424 Open source
kern

a fast, rootless container runtime and sandbox with no daemon. It runs workloads, including agent tool calls and code generated by an LLM, i...

Score 93 GitHub stars 422 Open source
openpaper

Open Paper is a workbench for managing your research library. Read, annotate, and understand your papers all in one place. Use an AI assista...

Score 93 GitHub stars 422 Open source
memstack

Structured skill framework for Claude Code. 130 skills, persistent memory, TokenStack compression, localhost dashboard with 3-agent runner,...

Score 93 GitHub stars 421 Open source
project-raven

Open-source AI meeting copilot - real-time transcription, echo cancellation, and AI assistance. Captures system audio + mic, cancels echo vi...

Score 93 GitHub stars 421 Open source
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