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. Learn more →
Top 18 TypeScript Kotlin Projects
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NativeScript
⚡ Empowering JavaScript with native platform APIs. ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, React, Solid, Svelte, Vue with: iOS (UIKit, SwiftUI), Android (View, Jetpack Compose), Dart (Flutter) and you name it compatible.
NativeScript
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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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2. Deserializing JSON into objects I knew for this project I'd have to deserialize GeoJSON into objects to work with them effectively in the app. Building this beast of a class felt quite daunting for being brand new to Dart and also for what was quite a complex GeoJSON file. However, I found an open source library called quicktype that generates strongly-typed models and serializers from JSON type scripts to a number of languages, including Dart. All you have to do is put in the JSON you want decoded, and it will return a prebuilt class that you can then use in your project. Quicktype have a handy website front end (https://app.quicktype.io/) for this - it worked first time and I was so grateful not to have to build this myself!
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ostara
Ostara is a cross-platform desktop app for managing and monitoring Spring Boot applications using the Actuator API, providing comprehensive insights and effortless control.
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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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orbital
Orbital automates integration between data sources (APIs, Databases, Queues and Functions). BFF's, API Composition and ETL pipelines that adapt as your specs change. (by orbitalapi)
Project mention: Show HN: Nebula – A DSL for scripting TestContainers-based demos | news.ycombinator.com | 2025-03-04Hey HN,
I'm Marty, founder of Orbital[0]—a semantic data integration platform.
As we've been demo'ing Orbital to people, we kept hitting a common challenge: when people evaluate Orbital, they need a demo to play with. But since Orbital is all about integration, those demos need real data sources—Kafka topics, S3 buckets, SQL databases, microservices, etc.—that actually do stuff: emit messages, respond to API calls, and contain data.
Historically, we shipped demos as a mix of Docker Compose files and Spring Boot microservices (for the "doing stuff" part). But that was painful—Spring Boot services had to be dockerized and deployed somewhere, and code got messy.
So we built Nebula[1] to fix this. It’s a simple DSL where you declare the Docker images you need, then write Kotlin code to script them—all in a single file.
Nebula itself runs as a standalone Docker image. At runtime, it takes in the script, pulls and starts the required Docker images, then executes the Kotlin code you've written. The docker parts are handled by the awesome TestContainers, and scripting by Kotlin. Since it's just Kotlin, you can write whatever you need—we've even simulated full food delivery systems inside Nebula scripts.
We split it into its own repo under Apache 2. It's simple but surprisingly powerful (and kinda fun) for quickly hacking together demo ecosystems.
Thought I'd share!
[0]: Orbital - https://github.com/orbitalapi/orbital
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kover-report
Github action that publishes the Kover code coverage report as a comment in pull requests
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quash-max
Quash: All-in-one bug reporting for mobile apps. Capture crashes, replays, and logs with shake-to-report. Auto-collect vital data, integrate with popular tools. Built by devs, for devs. Boost app quality and streamline debugging.
Project mention: Show HN: Open-Source Native Mobile Bug-Reporter | news.ycombinator.com | 2024-09-12 -
entitlementcard
App for 'Digitale Berechtigungskarten', generally benefit card for volunteers or socially vulnerable groups in Germany. App for Android & iOS + Backend + Administration Web Portal – 100% Open Source.
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moving-objects-service-root
The goal of this mini-project is to introduce you to two important monitoring tools in the software landscape These are prometheus and grafana. In this project you will find implementations using micrometer and a store for metrics
Project mention: Monitoring Secure Coroutines and WebFlux Reactive applications with Prometheus, Grafana, and InfluxDB — A webcams example | dev.to | 2024-12-27 -
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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 Kotlin discussion
TypeScript Kotlin related posts
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Show HN: Nebula – A DSL for scripting TestContainers-based demos
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Show HN: Open-Source Native Mobile Bug-Reporter
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OpenSourced our Mobile Testing Tool
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Ostara 0.12.0 released: F/OSS admin app for Spring Boot now with Service Discovery support!
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Ostara 0.12.0 released: F/OSS admin app for Spring Boot now with Service Discovery support!
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Ostara 0.12.0 released: F/OSS admin app for Spring Boot now with Service Discovery support!
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Ostara 0.11.0 released: F/OSS admin app for Spring Boot with Actuator API
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A note from our sponsor - Stream
getstream.io | 9 Jul 2025
Index
What are some of the best open-source Kotlin projects in TypeScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | NativeScript | 24,854 |
| 2 | quicktype | 13,127 |
| 3 | kotlin-web-site | 1,522 |
| 4 | react-native-audio-recorder-player | 779 |
| 5 | MonoSketch | 456 |
| 6 | ostara | 331 |
| 7 | vscode-kotlin | 330 |
| 8 | orbital | 322 |
| 9 | sdk-codegen | 243 |
| 10 | xmrig-for-android | 208 |
| 11 | kover-report | 67 |
| 12 | quash-max | 63 |
| 13 | entitlementcard | 37 |
| 14 | tormap | 27 |
| 15 | BlogExamples | 16 |
| 16 | stonks-platform-ng-kt | 6 |
| 17 | moving-objects-service-root | 3 |
| 18 | android_anplayer_plugin | 1 |
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