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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

Top tools

1,960 tools · sorted by quality

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ruoyi-ai

Enterprise-grade AI agent framework with multi-provider LLM management, secure knowledge bases and high-precision RAG, visual workflow orche...

Score 99 GitHub stars 5,722 Open source
im-not-ai

AI가 쓴 한글을 사람 글처럼 윤문하는 Claude 스킬 — Korean AI-text humanizer: detects and rewrites translationese, mechanical parallelism, and...

Score 99 GitHub stars 5,687 Open source
openagent

⚡️next-generation personal AI assistant powered by LLM, RAG and agent loops, supporting computer-use, browser-use and coding agent, demo: h...

Score 99 GitHub stars 5,641 Open source
claude-scholar

Semi-automated research assistant for academic research and software development. Supports Claude Code, Codex CLI, Kimi Code CLI, and OpenCo...

Score 99 GitHub stars 5,614 Open source
axonhub

⚡️ Open-source AI Gateway — Use any SDK to call 100+ LLMs. Built-in failover, load balancing, cost control & end-to-end tracing.

Score 99 GitHub stars 5,290 Open source
PasteMD

一键将 Markdown 和网页 AI 对话(ChatGPT/DeepSeek等)完美粘贴到 Word、WPS 和 Excel 的效率工具 | One-click paste Markdown and AI responses (Ch...

Score 99 GitHub stars 5,303 Open source
llm-graph-builder

Neo4j graph construction from unstructured data using LLMs

Score 99 GitHub stars 5,263 Open source
reasoning-from-scratch

Implement a reasoning LLM in PyTorch from scratch, step by step

Score 99 GitHub stars 5,280 Open source
ai-infra-book

《深入理解 AI Infra:量化分析与系统设计》(李博杰 著)开源书稿:从硬件约束和模型架构出发,量化推导 LLM 推理与训练系统设计。含全书正文、PDF、...

Score 99 GitHub stars 5,178 Open source
h2o-llmstudio

H2O LLM Studio - a framework and no-code GUI for fine-tuning LLMs. Documentation: https://docs.h2o.ai/h2o-llmstudio/

Score 99 GitHub stars 5,182 Open source
agent-skills

The secure, validated skill registry for professional AI coding agents. Extend Antigravity, Claude Code, Cursor, Copilot and more with absol...

Score 99 GitHub stars 5,161 Open source
json_repair

Repair malformed JSON from LLMs, APIs, logs, and user input in Python.

Score 99 GitHub stars 5,109 Open source
tick-stock-panel

TSP自托管、零运维的 A 股「选股 + 监控 + 回测」量化工作台 | LLM能力驱使策略定制+个股分析+复盘 | 自由接入第三方数据源与个性化扩展数据 | 个人...

Score 99 GitHub stars 5,003 Open source
LLMs.txt and LLMs-Full.txt Generator

Generate structured llms.txt files for WordPress to optimize AI model interaction with your content.

Score 98 Active installs 5,000 Open source
mockserver-monorepo

MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It...

Score 98 GitHub stars 4,975 Open source
quotio

Stop juggling AI accounts. Quotio is a beautiful native macOS menu bar app that unifies your Claude, Gemini, OpenAI, Qwen, and Antigravity s...

Score 98 GitHub stars 4,870 Open source
langwatch

The platform for LLM evaluations and AI agent testing

Score 98 GitHub stars 4,870 Open source
ai-agents-from-zero

🚀 2026 最系统的 AI Agent 速成指南|智能体实战教程 · 完整学习路径 + 实战项目 + 面试题库 · 对标大模型应用开发工程师岗位 · 覆盖LangChain / La...

Score 98 GitHub stars 4,836 Open source
AIGC-Interview-Book

【三年面试五年模拟】AIGC/LLM/AI Agent算法工程师面试资源平台。涵盖AIGC、LLM大模型、AI Agent、具身智能、传统深度学习、计算机视觉、自然语言处理...

Score 98 GitHub stars 4,809 Open source
tiny-llm

learn LLM inference system on Apple Silicon for systems engineers: build a tiny vLLM + Qwen

Score 98 GitHub stars 4,719 Open source
infinity

The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vec...

Score 98 GitHub stars 4,713 Open source
avoid-ai-writing

Skill that audits and rewrites content to remove AI writing patterns. Use it with your favorite agents including Claude Code, OpenClaw, Code...

Score 98 GitHub stars 4,704 Open source
Octop

A smarter, self-hosted AI assistant — multi-user, multi-agent.

Score 98 GitHub stars 4,700 Open source
llm-d

Achieve state of the art inference performance with modern accelerators on Kubernetes

Score 98 GitHub stars 4,647 Open source
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