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
CrewAI
CrewAI
An open-source framework and enterprise platform for teams of role-playing agents.
Available in HKFreemium★ 60,871 Stars
Overview
Define roles such as researcher or writer, tasks and flows in Python and let a crew of agents collaborate; the enterprise platform adds visual orchestration, monitoring and deployment.
Best for
DevelopersEnterprise teams
Typical use cases
Strengths
- Intuitive multi-agent abstractions
- Lots of community examples
Limitations & caveats
- Requires Python development
- Complex flows are costly to debug
Hong Kong availability
Available in HKRecent reliable evidence supports use in Hong Kong.
Basis: official statement
The source code is hosted on GitHub (Hong Kong is not among GitHub's trade-control restricted regions) and can be downloaded and self-hosted for free. Note: if you connect it to model APIs such as OpenAI, Anthropic or the Gemini API, each provider's regional policy still applies.
Access
- Website
- Supported
- Sign-up
- Supported
- Core features
- Supported
- Payment
- Unverified
Sources
- GitHub and trade controls(opens in a new tab)GitHub · Official · checked 14 Nov 2026
Verified on: 14 Nov 2026
Availability information is for reference only and is not legal advice. Terms can change at any time — rely on the provider's latest official statement. We do not provide ways to bypass regional restrictions.
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