2 apache/spark Apache Spark - A unified analytics engine for large-scale data processing ★ 43.7K ⑂ 29.3K Scala
3 lichess-org/lila ♞ lichess.org: the forever free, adless and open source chess server ♞ ★ 18.5K ⑂ 2.7K Scala
4 prisma/prisma1 💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated] ★ 16.4K ⑂ 839 Scala
5 scala/scala Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at htt… ★ 14.5K ⑂ 3.1K Scala
6 akka/akka-core A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted… ★ 13.3K ⑂ 3.5K Scala
7 playframework/playframework The Community Maintained High Velocity Web Framework For Java and Scala. ★ 12.6K ⑂ 4.0K Scala
8 apache/predictionio PredictionIO, a machine learning server for developers and ML engineers. ★ 12.5K ⑂ 1.9K Scala
9 rtyley/bfg-repo-cleaner Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala ★ 12.2K ⑂ 583 Scala
11 gitbucket/gitbucket A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibili… ★ 9.4K ⑂ 1.3K Scala
12 delta-io/delta An open-source storage framework that enables building a Lakehouse architecture with compute engine… ★ 8.9K ⑂ 2.1K Scala
14 twitter-archive/snowflake Snowflake is a network service for generating unique ID numbers at high scale with some simple guar… ★ 7.8K ⑂ 1.1K Scala
22 fpinscala/fpinscala Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala" ★ 5.8K ⑂ 3.0K Scala
23 typelevel/cats Lightweight, modular, and extensible library for functional programming. ★ 5.5K ⑂ 1.2K Scala
24 linkerd/linkerd Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x. ★ 5.3K ⑂ 494 Scala
32 zio/zio ZIO — A type-safe, composable library for async and concurrent programming in Scala ★ 4.4K ⑂ 1.6K Scala
33 mesos/chronos Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules ★ 4.4K ⑂ 520 Scala
35 d2iq-archive/marathon Deploy and manage containers (including Docker) on top of Apache Mesos at scale. ★ 4.0K ⑂ 831 Scala
36 TheHive-Project/TheHive TheHive is a Collaborative Case Management Platform, now distributed as a commercial version ★ 3.9K ⑂ 693 Scala
39 awslabs/deequ Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure d… ★ 3.6K ⑂ 584 Scala
45 joernio/joern Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code pro… ★ 3.3K ⑂ 431 Scala
48 databricks/Spark-The-Definitive-Guide Spark: The Definitive Guide's Code Repository ★ 3.1K ⑂ 2.9K Scala
49 softwaremill/elasticmq In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded. ★ 2.9K ⑂ 203 Scala
51 com-lihaoyi/mill A better build tool for Java, Scala and Kotlin: Simpler than Maven, easier than Gradle, with 3-7x f… ★ 2.8K ⑂ 444 Scala
55 slick/slick Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for … ★ 2.7K ⑂ 612 Scala
56 scalatra/scalatra Tiny Scala high-performance, async web framework, inspired by Sinatra ★ 2.6K ⑂ 335 Scala
63 spray/spray A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightwei… ★ 2.5K ⑂ 552 Scala
66 metarank/metarank A low code Machine Learning personalized ranking service for articles, listings, search results, re… ★ 2.4K ⑂ 110 Scala
67 apache/kyuubi Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouse… ★ 2.4K ⑂ 1.0K Scala
68 ucb-bar/chipyard An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more ★ 2.3K ⑂ 891 Scala
71 salesforce/TransmogrifAI TransmogrifAI (pronounced trăns-mŏgˈrə-fī) is an AutoML library for building modular, reusable, str… ★ 2.3K ⑂ 400 Scala
72 twitter/finatra Fast, testable, Scala services built on TwitterServer and Finagle ★ 2.3K ⑂ 403 Scala
73 twitter-archive/gizzard [Archived] A flexible sharding framework for creating eventually-consistent distributed datastores ★ 2.2K ⑂ 206 Scala
76 laurilehmijoki/s3_website Manage an S3 website: sync, deliver via CloudFront, benefit from advanced S3 website features. ★ 2.2K ⑂ 176 Scala
81 pocorall/scaloid Scaloid makes your Android code easy to understand and maintain. ★ 2.1K ⑂ 159 Scala
88 feathr-ai/feathr Feathr – A scalable, unified data and AI engineering platform for enterprise ★ 1.9K ⑂ 245 Scala
90 byzer-org/byzer-lang Byzer (former MLSQL): A low-code open-source programming language for data pipeline, analytics and … ★ 1.8K ⑂ 538 Scala
96 OpenBankProject/OBP-API An open source RESTful API platform for banks that supports Open Banking, XS2A, PSD2 and Open Finan… ★ 1.7K ⑂ 475 Scala
100 Philippus/elastic4s 🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client ★ 1.6K ⑂ 683 Scala