Top 21 Scala Java Projects
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Spark
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Project mention: Play Framework: first release based at Open Collective | reddit.com/r/scala | 2022-01-12
release notes: https://github.com/playframework/playframework/releases/2.8.13
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Scout APM
Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.
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Project mention: Fun with generics: REST HTTP handler proof-of-concept | reddit.com/r/golang | 2021-11-15
This comes dangerously close to functional services as popularized by Twitter et al and encapsulated in the well known Finagle library. I don’t know but I strongly suspect /u/peterbourgon was heavily influenced by this while developing the notion of Endpoints in his reasonably well known go-kit library, although it’s significantly less general due mostly to limitations in Go’s type system.
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Akka HTTP, Cats, Quill, ninny, Monix Observable, mill.
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Reactive-kafka
Alpakka Kafka connector - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.
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SonarQube
Static code analysis for 29 languages.. Your projects are multi-language. So is SonarQube analysis. Find Bugs, Vulnerabilities, Security Hotspots, and Code Smells so you can release quality code every time. Get started analyzing your projects today for free.
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bloop
Bloop is a build server and CLI tool to compile, test and run Scala fast from any editor or build tool.
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Project mention: Since PlayFramework has stalled in development, any tips on migrating to akka-http? | reddit.com/r/scala | 2021-08-21
For session support with JWT, look at https://github.com/softwaremill/akka-http-session
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SwayDB
Persistent and in-memory key-value storage engine for the JVM that scales on a single machine.
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In this example, the code uses Play WS Standalone as a REST client to fetch JSON containing a UUID. Play WS has an asynchronous, non-blocking API based on Future, so you need to provide an ExecutionContext via Akka. That's all the boilerplate at the beginning of this example. Sometimes it will be done for you as when you use Play WS in the context of Play Framework. Nonetheless, you should be aware it has to happen somewhere.
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Project mention: New version of the REPL for Apache Kafka is out! | reddit.com/r/apachekafka | 2021-03-08
Check it out! https://github.com/mmolimar/kukulcan
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Project mention: Ask HN: What tech stack would you use to build a new web app today? | news.ycombinator.com | 2021-12-20
I have been exposed to many different tech stacks over the years. This https://github.com/gengstrand/clojure-news-feed repo contains the code used to evaluate thirteen different stacks which is what I can share publicly. What I can say is that the best choice of tech stack depends on what is being called for. Is this for an early stage startup or an intrepreneurial greenfield project? Is this for an MVP or just the next component in an already formalized microservice architecture? What are the skillsets of the developers that you will have access to? Have you reached agreement that you can throw it all away and start over or are you expected to have to live with the choice of tech stack for the life of the product? Are you mobile first? These are all important questions that very much shape the decision.
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I've just released version v0.3.0 of my first open source library written in Scala and FP-oriented: Figlet4s.
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bazel-multiversion
Bazel rules to resolve, fetch and manage 3rdparty JVM dependencies with support for multiple parallel versions of the same dependency. Powered by Coursier.
Project mention: Pants vs. Bazel: Why Pants may be the right choice for your team | news.ycombinator.com | 2021-11-18I just saw a video of twitter engineer about bazel. I know they share similar syntax and spirit, but was wondering of the details.
Here is the video - https://www.youtube.com/watch?v=fm6YbBLLlYo and the site https://github.com/twitter/bazel-multiversion
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GCP Datastore Akka Persistence Plugin
akka-persistence-gcp-datastore is a journal and snapshot store plugin for akka-persistence using google cloud firestore in datastore mode.
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Project mention: OPAL - Open and Extensible library for analyzing and engineering Java bytecode written in Scala | reddit.com/r/programming | 2021-05-01
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Project mention: Show HN: Open-source project for scalable A/B statistical analysis | news.ycombinator.com | 2022-01-12
Scala Java related posts
- Play Framework: first release based at Open Collective
- I'm losing sleep over Java September 30, 1996
- Apache Cassandra: Best use practices in the search for performance ?!
- Is the pandas API (formerly Koalas) fully compatible with vanilla pandas?
- Show HN: Box – Data Transformation Pipelines in Rust DataFusion
- Technology Advice
- Why should I invest in raptoreum? What makes it different
Index
What are some of the best open-source Java projects in Scala? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | Apache Spark | 31,885 |
| 2 | Play | 12,073 |
| 3 | Finagle | 8,157 |
| 4 | Lagom | 2,594 |
| 5 | Mill | 1,682 |
| 6 | Reactive-kafka | 1,361 |
| 7 | Kamon | 1,309 |
| 8 | bloop | 785 |
| 9 | Scrooge | 747 |
| 10 | akka-http-session | 435 |
| 11 | AkkaGRPC | 390 |
| 12 | SwayDB | 248 |
| 13 | Play WS | 200 |
| 14 | kukulcan | 112 |
| 15 | clojure-news-feed | 74 |
| 16 | Reactor-Scala-Extensions | 51 |
| 17 | figlet4s | 29 |
| 18 | bazel-multiversion | 28 |
| 19 | GCP Datastore Akka Persistence Plugin | 19 |
| 20 | opal | 11 |
| 21 | dead-salmon-brain | 10 |
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