AI Agents for Beginners
Available in HKFree
Microsoft's open-source, 18-lesson course on building AI agents.
Open sourcemicrosoft/ai-agents-for-beginners79,582 Stars
Best for: Developers, AI beginners, Students
Learn AIAI agents
Trending Open-Source AI
The most-starred, actively maintained AI apps on GitHub — free to download and self-host.· 26 tools
AI AssistantsContent CreationOffice & ProductivityLearning & EducationAI Learning ResourcesAI AgentsImage & DesignVideo & Short DramaAI AvatarsMusic & VoiceCoding & DevelopmentResearch & DataBusiness & EnterpriseAutomation & IntegrationTrending Open-Source AI
tools
Hello-Agents
Available in HKFree
Datawhale's open-source Chinese tutorial on building agents from scratch.
Open sourcedatawhalechina/hello-agents86,954 Stars
Best for: Developers, Students
Learn AIAI agents
Dify
Available in HKFreemium
An open-source platform for AI apps and agentic workflows, self-hostable.
Open sourcelanggenius/dify161,126 Stars
Best for: Developers, Enterprise teams, Founders
AI agentsWorkflow automation
CrewAI
Available in HKFreemium
An open-source framework and enterprise platform for teams of role-playing agents.
Open sourcecrewAIInc/crewAI60,871 Stars
Best for: Developers, Enterprise teams
Multi-agentAI agents
LangChain
Available in HKFreemium
One of the most widely used frameworks for building LLM apps and agents.
Open sourcelangchain-ai/langchain149,471 Stars
Best for: Developers, Enterprise teams
Build AI appsAI agents
n8n
Available in HKFreemium
Self-hostable visual workflow automation with native AI agent nodes.
Open sourcen8n-io/n8n210,424 Stars
Best for: Developers, Professionals, Enterprise teams
Workflow automationAI agents
Claude Code
Not available in HKPaid
A coding agent in your terminal that understands your codebase and completes tasks autonomously.
Open sourceanthropics/claude-code155,585 Stars
Best for: Developers
CodingAI agents
OpenAI Codex
Not available in HKPricing unverified
OpenAI's coding agent for the terminal, IDE and cloud, running tasks in parallel.
Open sourceopenai/codex135,204 Stars
Best for: Developers
CodingAI agents
OpenClaw
Available in HKFree
An open-source AI assistant that runs on your own machine and works for you inside WhatsApp, Telegram and other chat apps.
Open sourceopenclaw/openclaw394,404 Stars
Best for: Developers, Professionals, Founders
AI agentsWorkflow automation
Hermes Agent
Available in HKFree
Nous Research's open-source agent that learns skills from experience and improves itself.
Open sourceNousResearch/hermes-agent263,246 Stars
Best for: Developers, Researchers
AI agentsWorkflow automation
Ollama
Available in HKFreemium
Run open models like DeepSeek, Qwen and Gemma locally with a single command.
Open sourceollama/ollama186,903 Stars
Best for: Developers, Researchers, Enterprise teams
Run models locallySelf-hostable
Open WebUI
Available in HKFree
A self-hosted ChatGPT-style interface for local or cloud models — ideal for private team use.
Open sourceopen-webui/open-webui158,595 Stars
Best for: Developers, Enterprise teams
Run models locallySelf-hostable
Cherry Studio
Available in HKFree
An open-source desktop AI workstation for many model providers, hugely popular with Chinese users.
Open sourceCherryHQ/cherry-studio53,494 Stars
Best for: Professionals, Developers, Students
Everyday Q&ARun models locally
Langflow
Available in HKFree
An open-source drag-and-drop platform to build and deploy AI agents and workflows.
Open sourcelangflow-ai/langflow156,615 Stars
Best for: Developers, Enterprise teams
AI agentsBuild AI apps
ComfyUI
Available in HKFree
The most powerful, modular node-based tool for AI image and video generation — runs locally.
Open sourceComfy-Org/ComfyUI146,714 Stars
Best for: Designers, Creators, Developers
Image generationPhoto editing
Firecrawl
Available in HKFreemium
Turns any website into clean, LLM-ready data to power AI agents.
Open sourcefirecrawl/firecrawl201,597 Stars
Best for: Developers
Browser automationBuild AI apps
Browser Use
Available in HKFreemium
The open-source Python library that lets AI use a browser like a human.
Open sourcebrowser-use/browser-use120,965 Stars
Best for: Developers
Browser automationAI agents
MoneyPrinterTurbo
Available in HKFree
Enter a topic or keyword to auto-generate an HD short video with script, voiceover, captions and music.
Open sourceharry0703/MoneyPrinterTurbo143,334 Stars
Best for: Creators, Developers
Short-form videoVideo generation
HyperFrames
Available in HKFree
Write HTML, render video — an open-source framework built for AI coding agents.
Open sourceheygen-com/hyperframes83,994 Stars
Best for: Developers, Creators, Designers
Video generationCoding
Gemini CLI
May be limited in HKFreemium
Google's open-source terminal agent that brings Gemini to your command line.
Open sourcegoogle-gemini/gemini-cli108,822 Stars
Best for: Developers
CodingAI agents
Cline
Available in HKFree
An open-source autonomous coding agent as a VS Code extension, CLI or SDK — bring any model.
Open sourcecline/cline71,600 Stars
Best for: Developers
CodingAI agents
OpenHands
Available in HKFreemium
An open-source, self-hostable platform for AI software-development agents.
Open sourceOpenHands/OpenHands93,437 Stars
Best for: Developers, Enterprise teams
CodingAI agents
DeerFlow
Available in HKFree
ByteDance's open-source long-horizon 'super agent' harness that researches, codes and creates.
Open sourcebytedance/deer-flow85,322 Stars
Best for: Developers, Researchers
AI agentsDeep research
RAGFlow
Available in HKFree
An open-source RAG engine with deep document understanding for traceable enterprise knowledge bases.
Open sourceinfiniflow/ragflow94,131 Stars
Best for: Developers, Enterprise teams
Knowledge baseBuild AI apps
DeepTutor
Available in HKFree
An open-source lifelong personalised AI tutor from HKU's Data Intelligence Lab.
Open sourceHKUDS/DeepTutor58,981 Stars
Best for: Students, Teachers, Researchers
AI tutoringLearn from your files
nanobot
Available in HKFree
An ultra-lightweight personal AI agent from HKU — use it in a browser, terminal or chat app.
Open sourceHKUDS/nanobot50,068 Stars
Best for: Developers, Professionals, AI beginners
AI agentsWorkflow automation