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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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correctless

The agent that writes the code never reviews it. Spec-driven TDD with agent separation, adversarial QA, and dynamic rigor for Claude Code.

Score 89 GitHub stars 65 Open source
LogSentinelAI

LLM-powered security log analyzer: detect threats & anomalies with zero regex — just declare a Pydantic schema. Real-time Telegram alerts, S...

Score 89 GitHub stars 65 Open source
llmedge

Android native AI inference library, bringing text, image, video, STT, TTS inference

Score 89 GitHub stars 65 Open source
human

The AI Software Factory. Tickets, docs, designs, and analytics in. Shipped code out. One secure pipeline from idea to review — Claude on the...

Score 89 GitHub stars 65 Open source
ATRI-bot

ATRI-bot was originally created by a novice developer as a private-use QQ robot focused on group chat functionality.ATRI-bot 最初是一个萌新...

Score 89 GitHub stars 64 Open source
mcp-automem

MCP client for AutoMem — give Claude, Cursor, Codex, and other MCP tools durable graph+vector memory across conversations.

Score 89 GitHub stars 64 Open source
profile

A physics-grounded, cost-aware optimization loop for vLLM

Score 89 GitHub stars 64 Open source
threadplane

The open-source thread-plane for agents: chat, durable threads, persistence, human approvals, and generative UI for Angular, on LangGraph an...

Score 89 GitHub stars 64 Open source
notion-skills

Claude Skills marketplace for productive Notion workflows: knowledge capture, meeting intelligence, research documentation, and spec-to-impl...

Score 89 GitHub stars 64 Open source
harness

Run fleets of parallel coding agents with governance — Rust control plane for Claude Code & Codex: orchestration, policy, cross-agent review...

Score 89 GitHub stars 64 Open source
openai-api-server-via-codex

Lightweight OpenAI-compatible API server in Go, backed by your Codex/ChatGPT login. Use existing OpenAI clients within your Codex limits

Score 89 GitHub stars 63 Open source
zettelforge

Agentic memory for CTI in Python — STIX knowledge graphs, threat-actor alias resolution, offline-first RAG, MCP server for Claude Code and L...

Score 89 GitHub stars 63 Open source
MarkuprPlus

Record your screen, narrate the bug, and hand your AI coding agent structured Markdown - one annotated screenshot per mark. Desktop app, CLI...

Score 89 GitHub stars 63 Open source
open-sunsama

Open-source Sunsama alternative: a daily planner with kanban, time blocking, and focus mode that Claude and ChatGPT can use. One-click MCP c...

Score 89 GitHub stars 63 Open source
assaio

Is your AI coding spend delivering? Offline-first analytics for Claude Code, Codex CLI, Gemini CLI, GitHub Copilot CLI and Cline — $/100 AI...

Score 89 GitHub stars 63 Open source
adeptlydev

Plan-first companion for Claude Code - draft the plan, learn every Claude Code feature inline, run it as a crew, and see your token usage. L...

Score 89 GitHub stars 63 Open source
HolyCode

AI coding workstation: OpenCode + Claude subscription support + 30+ tools + headless browser + multi-agent orchestration

Score 89 GitHub stars 63 Open source
Claude-Code-Playbooks

Free, open-source library of 1,179+ copy-paste CLAUDE.md playbooks for Claude Code — covering finance, marketing, dev tools, legal, HR, and...

Score 89 GitHub stars 63 Open source
tool_forge

跨平台桌面工具箱·36+ 工具·AI Chat/翻译/Provider 切换/Claude·Codex 用量洞察·剪贴板/HTTP 调试/取证/编解码/加密。Wails + Go + React + TS

Score 89 GitHub stars 63 Open source
ToolRegistry

ToolRegistry: A Protocol-Agnostic Tool Management Library for Function-Calling LLMs (OpenAI, Anthropic, Gemini, LangChain, MCP)

Score 89 GitHub stars 62 Open source
OneCamp-fe

OneCamp: self-hosted all-in-one workspace (chat, tasks, video calls, docs, calendar & AI)

Score 89 GitHub stars 62 Open source
craft

A Claude Code plugin that acts as an intelligent harness for your development workflow: your codebase is read-only by default, every change...

Score 89 GitHub stars 62 Open source
solokit

Open-source session-driven development framework for building production software with AI (Claude Code) — scaffolding, quality gates, learni...

Score 89 GitHub stars 62 Open source
llmdb

LLM model metadata catalog with fast, capability-aware lookups

Score 89 GitHub stars 62 Open source
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