3 Open Source Alternatives to fp-ts

There are 3 open-source alternatives to fp-ts in this directory. The most popular is Effect with 8.4k GitHub stars, followed by Neverthrow(7.4k stars). All are open source, free to use, and many can be self-hosted.

Quick comparison

Open-source alternatives to fp-ts, ranked by GitHub stars
#ToolStarsLanguageLicense
1Effect

Effect is an ecosystem of powerful tools designed to build robust applications in TypeScript.

8.4kTypeScriptMIT License
2Neverthrow

A utility for handling type-safe errors in JavaScript and TypeScript, enabling robust error handling and improved code quality.

7.4kTypeScriptMIT License
3Ts-toolbelt

TypeScript's largest type utility library providing an extensive suite for advanced type manipulations.

7.1kTypeScriptApache License 2.0

All open-source alternatives to fp-ts

Frequently asked questions

What are the best open-source alternatives to fp-ts?

The top three are Effect(8.4k stars), Neverthrow(7.4k stars), Ts-toolbelt(7.1k stars). All are open source and free to use.

Are these alternatives to fp-ts 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 fp-ts?

Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.

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