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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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1,962 tools · sorted by quality

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MemOS

Self-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval, and cross-task skill reuse, with 35.24% token saving...

Score 100 GitHub stars 11,539 Open source
botpress

The open-source hub to build & deploy GPT/LLM Agents ⚡️

Score 100 GitHub stars 14,922 Open source
awesome-chatgpt-zh

ChatGPT 中文指南🔥,ChatGPT 中文调教指南,指令指南,应用开发指南,精选资源清单,更好的使用 chatGPT 让你的生产力 up up up! 🚀

Score 100 GitHub stars 11,716 Open source
semantic-kernel

Integrate cutting-edge LLM technology quickly and easily into your apps

Score 100 GitHub stars 28,518 Open source
mcp-for-blender

Community plugin to control Blender 3D with any LLM of your choice

Score 100 GitHub stars 29,287 Open source
rtk

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

Score 100 GitHub stars 80,475 Open source
screenpipe

YC (S26) | Open Computer History | Record your screen continuously locally and provide context to your agents (Claude, Codex, Openclaw, Herm...

Score 100 GitHub stars 21,695 Open source
llm

Access large language models from the command-line

Score 100 GitHub stars 12,545 Open source
gemini-cli

An open-source AI agent that brings the power of Gemini directly into your terminal.

Score 100 GitHub stars 107,149 Open source
ai-job-search

The job search that runs on your machine. AI job application framework built on Claude Code: evaluate postings, tailor CVs, write cover lett...

Score 100 GitHub stars 40,399 Open source
mlflow

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and...

Score 100 GitHub stars 28,119 Open source
nanobrowser

Open-Source Chrome extension for AI-powered web automation. Run multi-agent workflows using your own LLM API key. Alternative to OpenAI Oper...

Score 100 GitHub stars 13,567 Open source
ccstatusline

🚀 Beautiful highly customizable statusline for Claude Code CLI with powerline support, themes, and more.

Score 100 GitHub stars 12,901 Open source
ai-berkshire

AI 时代的伯克希尔:基于 Claude Code / Codex 的价值投资研究框架。巴菲特·芒格·段永平·李录四大师方法论 + 多Agent并行研究。| AI-era Berkshire: a...

Score 100 GitHub stars 16,522 Open source
LocalAI

LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.

Score 100 GitHub stars 49,258 Open source
headroom

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JS...

Score 100 GitHub stars 73,703 Open source
ten-framework

Open-source framework for conversational voice AI agents

Score 100 GitHub stars 11,138 Open source
claude-skills

345 Claude Code skills & agent skills & plugins (30+ Agents, 70+ custom commands, 330+ skills, customizable references, scripts)for Claude C...

Score 100 GitHub stars 24,678 Open source
WeKnora

Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.

Score 100 GitHub stars 29,548 Open source
system_prompts_leaks

Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Goog...

Score 100 GitHub stars 68,115 Open source
Memori

Memori is agent-native memory infrastructure. A LLM-agnostic layer that turns agent execution and conversation into structured, persistent s...

Score 100 GitHub stars 15,880 Open source
haystack

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agen...

Score 100 GitHub stars 26,584 Open source
LlamaFactory

Unified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)

Score 100 GitHub stars 74,975 Open source
bisheng

BISHENG is an open LLM devops platform for next generation Enterprise AI applications. Powerful and comprehensive features include: GenAI wo...

Score 100 GitHub stars 12,006 Open source
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