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Top 22 TypeScript Runtime Projects
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use ts-node
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Keep full control over the data you collect and tailor the form builder’s entire look and feel to your users’ needs. SurveyJS works with React, Angular, Vue 3, and is compatible with any backend or auth system. Learn more.
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Project mention: Run TypeScript code without worrying about configuration | news.ycombinator.com | 2025-07-17
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There’s a common myth that eval/new Function is always slow or unsafe. In reality, when used carefully, it can unlock incredible performance. Sury leans heavily on JIT compilation and is still almost on par with Valibot, which is designed for quick initialization.
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Use libraries like io-ts for runtime validation:
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Project mention: Why your MCP server fails (how to make 100% successful MCP server) | dev.to | 2025-04-22
Your TypeScript class type would be analyzed by typia in the compilation level, so that matched AI function calling schema would be automatically generated.
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One of the most basic applications of ReScript Schema is parsing - Accepting unknown JavaScript data, validating it, and returning the result of your desired type. There are dozens of such libraries, and the most popular ones are Zod, Valibot, Runtypes, Arktype, Typia, Superstruct, Effect Schema, and more. Also, even though this is slightly different, validation libraries like Ajv, Yup, and others also stand really close.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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If you are not a fan of using Typescript/Node as your backend - take a look at this PHP alternative which you can likely run on Vercel's PHP runtime to keep everything in a monorepo.
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Project mention: Ask HN: Is anyone working on a WASM-based Node engine for the browser? | news.ycombinator.com | 2025-06-01
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ts-runtime-checks
A typescript transformer that automatically generates validation code from your types.
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typed-openapi
Generate a headless Typescript API client from an OpenAPI spec - optionally with a @tanstack/react-query client using queryOptions
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Project mention: I Spent My Weekends Building an AI Debugger That Understands Your Code | news.ycombinator.com | 2025-06-18
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Project mention: Beyond Type Safety: making TypeScript smarter by Building a Runtime Picker | dev.to | 2024-12-13
Hey, before we get started, let me clarify something: while I’ll be talking a lot about my package, ts-runtime-picker, this isn’t a promotional article. I’m just sharing my experience and the journey I took before building it. (But hey, if you're curious, here's the link to the package 😉).
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cardboard-js
Fast, light & ultra-compact library for composing interactive web apps—all in plain JavaScript or TypeScript, no HTML required.
Project mention: Cardboard.js – a lightweight web framework with no HTML | news.ycombinator.com | 2025-04-18 -
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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 discussion
TypeScript Runtime related posts
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Ask HN: Is anyone working on a WASM-based Node engine for the browser?
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Cardboard.js – a lightweight web framework with no HTML
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Yoke Is Cool
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I built a cross-platform, local-first environment for JavaScript projects
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Hosting a Vue.js App Without a Server Using Pinggy
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Run on any device, Code in JavaScript/TS, Use NPM, Share with Git
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How to Secure TypeScript Applications...??
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A note from our sponsor - Stream
getstream.io | 17 Jul 2025
Index
What are some of the best open-source Runtime projects in TypeScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ts-node | 13,081 |
| 2 | tsx | 11,004 |
| 3 | valibot | 7,772 |
| 4 | io-ts | 6,784 |
| 5 | typia | 5,203 |
| 6 | runtypes | 2,662 |
| 7 | css | 1,906 |
| 8 | php | 1,361 |
| 9 | typescript-is | 963 |
| 10 | nodebox-runtime | 804 |
| 11 | ts-runtime | 494 |
| 12 | ts-runtime-checks | 384 |
| 13 | Funval | 363 |
| 14 | tst-reflect | 356 |
| 15 | typed-openapi | 283 |
| 16 | tinywasi | 114 |
| 17 | Zentara-Code | 45 |
| 18 | vue-markdown | 31 |
| 19 | ts-runtime-picker | 31 |
| 20 | cardboard-js | 24 |
| 21 | HolyC-repl | 10 |
| 22 | x-value | 9 |
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surveyjs.io