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Top 23 TypeScript Language Projects
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TypeScript - Type safety
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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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wing
A programming language for the cloud ☁️ A unified programming model, combining infrastructure and runtime code into one language ⚡
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quint
An executable specification language with delightful tooling based on the temporal logic of actions (TLA)
Looks like there's more information in their readme: https://github.com/informalsystems/quint
> Quint is a modern specification language that is a particularly good fit for distributed systems, such as blockchain protocols, distributed databases, and p2p protocols. Quint combines the robust theoretical basis of the Temporal Logic of Actions (TLA) with state-of-the-art type checking and development tooling.
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json-translator
jsontt 💡 - AI JSON Translator with GPT + other FREE translation modules to translate your json/yaml files into other languages ✅ Check Readme ✌ Supports GPT / DeepL / Google / Bing / Libre / Argos
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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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LeagueLocaleLauncher
A simple application that launches the League Of Legends client, with any Region & Language combo (ex. Japanese on the NA server)
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talkie
Text-to-speech browser extension button. Select text on any web page, and have the computer read it out loud for you by simply clicking the Talkie button.
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Project mention: Web editor with Podlite markup language syntax highlighting is here! | dev.to | 2025-01-13
It was included as part of Podlite v0.0.45.
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mangu
A nice Manga reader with a way to quickly switch between languages. Can be an asset to learning other languages.
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Project mention: Show HN: Compiler for Writing Ethereum Smart Contracts with TypeScript | news.ycombinator.com | 2025-06-16
I built Skittles so you can write Ethereum smart contracts in TypeScript.
• Converts TypeScript to EVM bytecode with full type checking
• Emits ABI plus TypeChain typings, plugs straight into Hardhat
• Class based contracts, events, mappings, inheritance
• MIT codebase
The project began three years ago and is in active development. I would love feedback on language design and contributions are very welcome.
Repo: https://github.com/chase-manning/skittles
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openipa
Free, informative IPA transcription for Lyric Diction. Transcribes in realtime and gives useful feedback.
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nestjs-localization
Nestjs localization provides a convenient way to retrieve strings in various languages, allowing you to easily support multiple languages within your application.
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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 Language discussion
TypeScript Language related posts
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A React Starter Template for the Impatient Developer
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Unlock the Web’s Hidden Stacks: My Solo Journey from Hackathon MVP to Open-Source project
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The Technology Behind SmoothCSV - The Ultimate CSV Editor
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Show HN: Compiler for Writing Ethereum Smart Contracts with TypeScript
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Using elliptic curves to solve a math meme
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Inductive Types in TypeScript
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An Introduction to TypeScript for JavaScript Developers
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A note from our sponsor - SurveyJS
surveyjs.io | 8 Jul 2025
Index
What are some of the best open-source Language projects in TypeScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | TypeScript | 105,128 |
| 2 | wing | 5,262 |
| 3 | YoptaScript | 2,172 |
| 4 | css | 1,906 |
| 5 | OneLang | 1,135 |
| 6 | quint | 947 |
| 7 | json-translator | 563 |
| 8 | tinyld | 436 |
| 9 | vscode-matlab | 184 |
| 10 | REXS | 134 |
| 11 | vocab | 130 |
| 12 | LeagueLocaleLauncher | 87 |
| 13 | lande | 82 |
| 14 | talkie | 75 |
| 15 | inet-js | 55 |
| 16 | TypeCake | 51 |
| 17 | podlite | 46 |
| 18 | mangu | 39 |
| 19 | skittles | 36 |
| 20 | openipa | 32 |
| 21 | postfix-haskell | 26 |
| 22 | nestjs-localization | 26 |
| 23 | rudder-json-template-engine | 24 |
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