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 Flow
There are 2 open-source alternatives to Flow in this directory. The most popular is Type-challenges with 47.9k GitHub stars, followed by Ts-migrate(5.6k 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 | Ts-migrate A powerful tool to facilitate the swift and seamless migration of JavaScript codebases to TypeScript. | 5.6k | TypeScript | MIT License |
All open-source alternatives to Flow
Frequently asked questions
What are the best open-source alternatives to Flow?
The top three are Type-challenges(47.9k stars), Ts-migrate(5.6k stars). All are open source and free to use.
Are these alternatives to Flow 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 Flow?
Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.
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