ReactiveX
@reactivex • Reactive Extensions for Async Programming. Use this route to separate flagship concentration from portfolio breadth before you treat a publisher as broadly strong.
Portfolio concentration
84%
Top three share
Shows whether the organization is driven by one breakout repo or several visible projects.
Breadth
30 repos
Visible snapshot
4 repositories updated in the last 90 days.
Leading language
Java
Portfolio mix
Java (16), TypeScript (5), Unknown (3)
Average size
3K
Stars per repository
Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.
Updated: 2019-02-01(2779d ago)GitHub API fallback30 repositories
84%
of the visible star count comes from this organization's top three repositories.
3K
stars per repository in this same snapshot.
Java
is the most common language here, with 4 repositories updated in the last 90 days.
Why this rank
This organization stands out because its public portfolio is relatively balanced across 30 repositories.
Balanced portfolio across 30 reposTop 3 share 84%
Organization pages work best when you separate portfolio breadth from flagship concentration. In ReactiveX's case, the visible top three repositories account for about 84% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.
The dominant language mix here is Java (16), TypeScript (5), Unknown (3). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.
Top Repositories
| # | Repository | Language | Stars |
|---|---|---|---|
| 1 | reactivex/rxjs A reactive programming library for JavaScript | TypeScript | 31.7K |
| 2 | reactivex/RxSwift Reactive Programming in Swift | Swift | 24.6K |
| 3 | reactivex/RxAndroid RxJava bindings for Android | Java | 19.9K |
| 4 | reactivex/RxGo Reactive Extensions for the Go language. | Go | 5.1K |
| 5 | reactivex/rxdart The Reactive Extensions for Dart | Dart | 3.4K |
| 6 | reactivex/RxPHP Reactive extensions for PHP | PHP | 1.7K |
| 7 | reactivex/IxJS The Interactive Extensions for JavaScript | TypeScript | 1.4K |
| 8 | reactivex/RxJavaFX RxJava bindings for JavaFX | Java | 526 |
| 9 | reactivex/RxRust The Reactive Extensions for the Rust Programming Language | Rust | 495 |
| 10 | reactivex/rxjs-tslint TSLint rules targeting RxJS | TypeScript | 314 |
| 11 | reactivex/RxJavaReactiveStreams Adapter between RxJava and ReactiveStreams | Java | 235 |
| 12 | reactivex/RxJavaDebug | Java | 163 |
| 13 | reactivex/rxjs-docs The home for new work on the new RxJS docs (RxJS v 5 and up). New to this space? Say hi here: https://github.com/ReactiveX/rxjs-docs/issues/24. Want to find out what's up? We're chatting here. https://github.com/ReactiveX/rxjs-docs/issues/4 | TypeScript | 162 |
| 14 | reactivex/RxJavaAsyncUtil | Java | 135 |
| 15 | reactivex/RxJavaString | Java | 129 |
| 16 | reactivex/RxApacheHttp RxJava bindings for Apache HTTP | Java | 118 |
| 17 | reactivex/RxJavaJoins | Java | 101 |
| 18 | reactivex/RxJavaMath Math operators for RxJava. | Java | 100 |
| 19 | reactivex/RxSwing RxJava bindings for Swing | Java | 100 |
| 20 | reactivex/rxjs-advent-2018 RxJS 2018 Advent Calendar | TypeScript | 89 |
| 21 | reactivex/rxjs-core-notes Notes from RxJS core meetings | 77 | |
| 22 | reactivex/RxJavaFileUtils File utilities with RxJava | Java | 62 |
| 23 | reactivex/RxJavaComputationExpressions | Java | 62 |
| 24 | reactivex/RxJavaParallel Experimental Parallel Extensions for RxJava | Java | 55 |
| 25 | reactivex/RxJavaGuava | Java | 54 |
| 26 | reactivex/Rx.NET Rx.NET – Reactive Extensions for .NET – a library for composing asynchronous and event-based programs using observable sequences for the CLR. | 30 | |
| 27 | reactivex/RxQuasar RxJava bindings for Quasar | Java | 16 |
| 28 | reactivex/RxRoboVM RxJava bindings for iOS | Java | 7 |
| 29 | reactivex/BuildInfrastructure Test project for the new build system. | Groovy | 5 |
| 30 | reactivex/RxSwing2 Reactive bindings for Java 8 Swing on top of RxJava 2 | 4 |
Next step after the organization read
Open a flagship repository, compare a couple of portfolio leaders, or return to the organization map when you want a broader concentration read.
Learn and methodology
Keep trust-building context reachable, but behind the first data read instead of ahead of it.
How to read this organization snapshot
Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.
For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.