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Akka vs RxJS: What are the differences?
What is Akka? Build powerful concurrent & distributed applications more easily. Akka is a toolkit and runtime for building highly concurrent, distributed, and resilient message-driven applications on the JVM.
What is RxJS? The Reactive Extensions for JavaScript. RxJS is a library for reactive programming using Observables, to make it easier to compose asynchronous or callback-based code. This project is a rewrite of Reactive-Extensions/RxJS with better performance, better modularity, better debuggable call stacks, while staying mostly backwards compatible, with some breaking changes that reduce the API surface.
Akka and RxJS belong to "Concurrency Frameworks" category of the tech stack.
Akka and RxJS are both open source tools. RxJS with 19.7K GitHub stars and 2.26K forks on GitHub appears to be more popular than Akka with 10.1K GitHub stars and 3.04K GitHub forks.
Asana, Rainist, and ContentSquare are some of the popular companies that use Akka, whereas RxJS is used by Portfolium, Free Code Camp, and Onefootball. Akka has a broader approval, being mentioned in 76 company stacks & 57 developers stacks; compared to RxJS, which is listed in 57 company stacks and 44 developer stacks.
Pros of Akka
- Great concurrency model32
- Fast17
- Actor Library12
- Open source10
- Resilient7
- Message driven5
- Scalable5
Pros of RxJS
- Easier async data chaining and combining6
- Steep learning curve, but offers predictable operations3
- Observable subjects2
- Ability to build your own stream2
- Works great with any state management implementation2
- Easier testing2
- Lot of build-in operators1
- Simplifies state management1
- Great for push based architecture1
- Documentation1
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Cons of Akka
- Mixing futures with Akka tell is difficult3
- Closing of futures2
- No type safety2
- Very difficult to refactor1
- Typed actors still not stable1
Cons of RxJS
- Steep learning curve3