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Top 3 TypeScript runtime-validation Projects
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There are libraries that let you define refinement types[0] but it does require a bit of runtime overhead, and the added complexity depends on the library.
[0] https://zod.dev/?id=refine as an example
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
TypeScript runtime-validation discussion
TypeScript runtime-validation related posts
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Hyper Typing
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Building a Real-Time Chat App with Firebase and Next.js
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Build a RAG Chat App with Firebase Genkit and Astra DB
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Leveraging the TS type system with APIs: Validation, error handling and free OpenAPI specs
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All in on CLINE
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Remix Tutorial: Building A Simple Contact App With Strapi as Backend
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Guaranteed Structured Outputs with OpenAI ✨
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A note from our sponsor - SurveyJS
surveyjs.io | 18 May 2025
Index
What are some of the best open-source runtime-validation projects in TypeScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | zod | 37,731 |
| 2 | banditypes | 175 |
| 3 | mondrian-framework | 12 |
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Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
surveyjs.io