Best Agent Tools Top 20

Top 20 most popular open-source Agent Tools projects, ranked by GitHub Stars.

1

OpenClaw

386.5k Stars

OpenClaw is an open-source personal AI assistant platform supporting 25+ messaging channels (WhatsApp, Telegram, Slack, etc.) with multi-LLM integration and personal knowledge management.

assistantmulti-channelllmpersonal-ai
2

ECC

240.5k Stars

Agent harness operating system providing skills, instincts, memory optimization, continuous learning, and security scanning.

agent-harnessskillsclaude-codecross-platform
3

Ollama

178.7k Stars

Local LLM runner: open-source models callable as a single CLI binary.

llmlocalinferenceagent-tools
4

Firecrawl

168.2k Stars

Firecrawl is a web scraping and search engine designed for AI agents, converting any webpage into structured Markdown data with search, scrape, and clean capabilities for building web-data-powered AI applications.

web-scrapingsearch-enginemarkdownapi
5

Excalidraw

129.8k Stars

Open-source hand-drawn whiteboard tool. Combines with AI for diagram / flowchart generation, often used in Agent UI display.

whiteboardvisualdiagram
6

llama.cpp

124.2k Stars

llama.cpp is a lightweight C/C++ inference engine that runs a wide range of open-source large language models efficiently on consumer hardware.

llm-inferencellamaggufcpp
7

Whisper

107.4k Stars

OpenAI Whisper is a multilingual speech recognition foundation model that performs high-quality English and multilingual transcription, translation and language identification locally.

speech-to-textasraudiomultimodal
8

Ponytail

104.1k Stars

Skill pack that makes your AI agent write minimal code like a lazy senior dev, cutting code by 54% and cost by 20%.

agent-skillscode-qualityYAGNIclaude-code
9

Pi Mono

91.5k Stars

Pi Mono is a comprehensive AI agent toolkit including a coding agent CLI, unified LLM API, TUI and web UI libraries, Slack bot, and vLLM pod management for end-to-end agent development.

agent-toolkitclillm-apitypescript
10

Pi

91.5k Stars

Pi is a full-stack AI agent toolkit featuring a coding agent CLI, unified LLM API, TUI and Web UI libraries, Slack bot, and vLLM inference pods.

coding-agentclillmtui
11

vLLM

89.2k Stars

A high-throughput and memory-efficient inference and serving engine for LLMs, featuring PagedAttention, continuous batching, and optimized KV cache management for production deployments.

llmpythonframeworkapi
12

PaddleOCR

87.7k Stars

PaddleOCR is Baidu's open-source multilingual OCR and document-AI toolkit supporting 80+ languages and PP-Structure layout analysis.

ocrpaddlepaddledocument-aimultilingual
13

Open Design

87.5k Stars

open-design is an AI co-design platform for designers and developers, unifying Figma, drawing and code workflows into agent tasks.

designfigmaaiagent
14

Odysseus

85.5k Stars

odysseus is a macOS-native AI browser automation agent that drives Chrome with natural language to complete everyday workflows.

browserautomationai-agenttasks
15

WorldMonitor

82.4k Stars

worldmonitor is an AI global event monitoring dashboard aggregating news, geopolitics, energy and market data with auto-generated briefings.

monitoringworld-newsaidashboard
16

Netdata

80.2k Stars

Netdata is an open-source real-time observability platform with second-resolution metrics, AI health checks and zero-config deployment, widely used for monitoring AI agent services.

monitoringmetricsreal-timeagent
17

DeerFlow

80.1k Stars

An open-source long-horizon SuperAgent harness by ByteDance that researches, codes, and creates with sandboxes, memories, tools, skills, subagents and message gateway for complex tasks.

super-agentmulti-agentresearchcoding
18

Paperclip

78.5k Stars

paperclip is an AI agent team orchestration and scheduling platform, managing task assignment, collaboration and state across many agents.

ai-agentsorchestratorschedulertasks
19

Taste-Skill

77.1k Stars

Skill that gives your AI good taste, stopping agents from generating boring, generic slop content.

agent-skillscode-qualitywriting-styleanti-slop
20

AppFlowy

75.6k Stars

AppFlowy is an open-source Notion alternative with AI workflows, knowledge base, kanban and multi-device sync, usable as agent long-term memory.

note-takingproject-managementaiknowledge-base

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