47.9k
Type-challenges
A collection of TypeScript type challenges with an online judge to test and improve your type manipulation skills.
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2 Open Source Alternatives to DefinitelyTyped
There are 2 open-source alternatives to DefinitelyTyped in this directory. The most popular is Type-challenges with 47.9k GitHub stars, followed by Type Fest(17.0k stars). All are open source, free to use, and many can be self-hosted.
Quick comparison
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | Type-challenges A collection of TypeScript type challenges with an online judge to test and improve your type manipulation skills. | 47.9k | TypeScript | MIT License |
| 2 | Type Fest A collection of essential TypeScript types that aid in static type checking and code quality enhancement. | 17.0k | TypeScript | Creative Commons Zero v1.0 Universal |
All open-source alternatives to DefinitelyTyped
Frequently asked questions
What are the best open-source alternatives to DefinitelyTyped?
The top three are Type-challenges(47.9k stars), Type Fest(17.0k stars). All are open source and free to use.
Are these alternatives to DefinitelyTyped free?
Yes. Every tool listed here is open source and free to use in your own projects. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Can I self-host an alternative to DefinitelyTyped?
Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.
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