Github-Ranking/Top100/Scala.md

Github Ranking

Top 100 Stars in Scala

Ranking	Project Name	Stars	Forks	Language	Open Issues	Description	Last Commit
1	the-algorithm	73864	13287	Scala	330	Source code for the X Recommendation Algorithm	2025-09-08T18:40:54Z
2	spark	43867	29341	Scala	39	Apache Spark - A unified analytics engine for large-scale data processing	2026-08-24T03:35:57Z
3	lila	18660	2766	Scala	1239	♞ lichess.org: the forever free, adless and open source chess server ♞	2026-08-23T14:28:25Z
4	prisma1	16383	839	Scala	2	💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated]	2022-09-01T18:57:41Z
5	scala	14564	3237	Scala	0	Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3	2026-08-20T09:01:33Z
6	akka-core	13276	3536	Scala	876	A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.	2026-08-21T15:58:19Z
7	playframework	12619	4025	Scala	408	The Community Maintained High Velocity Web Framework For Java and Scala.	2026-08-22T00:14:39Z
8	predictionio	12518	1897	Scala	0	PredictionIO, a machine learning server for developers and ML engineers.	2021-01-09T10:30:58Z
9	bfg-repo-cleaner	12170	584	Scala	265	Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala	2025-01-19T18:52:14Z
10	CMAK	11925	2476	Scala	499	CMAK is a tool for managing Apache Kafka clusters	2023-08-02T19:26:23Z
11	gitbucket	9392	1268	Scala	300	A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility	2026-08-22T21:43:38Z
12	delta	8950	2159	Scala	388	An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs	2026-08-22T16:55:00Z
13	finagle	8864	1431	Scala	59	A fault tolerant, protocol-agnostic RPC system	2026-08-13T18:10:51Z
14	snowflake	7766	1116	Scala	2	Snowflake is a network service for generating unique ID numbers at high scale with some simple guarantees.	2020-07-22T18:08:14Z
15	XiangShan	7203	934	Scala	107	Open-source high-performance RISC-V processor	2026-08-24T03:49:12Z
16	snowplow	7028	1172	Scala	59	The leader in Customer Data Infrastructure	2026-06-26T12:44:39Z
17	gatling	6952	1205	Scala	18	Modern Load Testing as Code	2026-07-27T20:37:22Z
18	ArnoldC	6881	295	Scala	69	Arnold Schwarzenegger based programming language	2024-01-31T22:40:52Z
19	openwhisk	6794	1180	Scala	405	Apache OpenWhisk is an open source serverless cloud platform	2026-08-11T21:16:27Z
20	scala3	6295	1174	Scala	1705	The Scala 3 compiler, also known as Dotty.	2026-08-23T21:35:37Z
21	frontend	5898	572	Scala	165	The Guardian DotCom.	2026-08-21T15:55:53Z
22	fpinscala	5850	3032	Scala	79	Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala"	2024-12-11T18:19:58Z
23	cats	5454	1245	Scala	224	Lightweight, modular, and extensible library for functional programming.	2026-08-21T12:13:32Z
24	linkerd	5310	494	Scala	133	Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x.	2023-03-04T18:59:40Z
25	SynapseML	5238	867	Scala	138	Simple and Distributed Machine Learning Python Library porting ML algorithms for Spark	2026-08-24T02:44:56Z
26	sbt	4936	1043	Scala	469	sbt, the interactive build tool	2026-08-21T21:33:22Z
27	aerosolve	4808	563	Scala	6	A machine learning package built for humans.	2025-11-06T00:53:40Z
28	chisel	4762	657	Scala	355	Chisel: A Modern Hardware Design Language	2026-08-23T11:10:44Z
29	scala-js	4710	408	Scala	35	Scala.js, the Scala to JavaScript compiler	2026-08-15T18:05:40Z
30	scala-native	4685	390	Scala	342	Your favorite language gets closer to bare metal.	2026-08-17T03:33:59Z
31	scalaz	4673	698	Scala	123	Principled Functional Programming in Scala	2026-08-21T11:39:18Z
32	zio	4408	1583	Scala	150	ZIO — A type-safe, composable library for async and concurrent programming in Scala	2026-08-22T23:56:32Z
33	chronos	4375	519	Scala	210	Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules	2022-06-29T19:43:36Z
34	spark-nlp	4158	742	Scala	17	State of the Art Natural Language Processing	2026-08-20T19:28:30Z
35	marathon	4028	830	Scala	27	Deploy and manage containers (including Docker) on top of Apache Mesos at scale.	2022-09-08T05:13:23Z
36	TheHive	3947	694	Scala	821	TheHive is a Collaborative Case Management Platform, now distributed as a commercial version	2025-07-25T13:57:27Z
37	rocket-chip	3850	1288	Scala	269	Rocket Chip Generator	2026-06-02T17:57:09Z
38	diffy	3811	360	Scala	0	Find potential bugs in your services with Diffy	2020-07-01T19:13:06Z
39	deequ	3643	584	Scala	66	Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.	2026-07-21T17:55:47Z
40	atlas	3562	358	Scala	7	In-memory dimensional time series database.	2026-08-23T22:21:05Z
41	scalding	3522	698	Scala	287	A Scala API for Cascading	2023-05-28T19:18:59Z
42	CoolplaySpark	3474	1377	Scala	31	酷玩 Spark: Spark 源代码解析、Spark 类库等	2022-05-18T08:55:54Z
43	breeze	3455	690	Scala	88	Breeze is/was a numerical processing library for Scala.	2025-10-04T22:40:06Z
44	joern	3440	443	Scala	312	Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc	2026-08-22T07:51:38Z
45	shapeless	3402	520	Scala	27	Generic programming for Scala	2026-08-23T08:01:53Z
46	flockdb	3316	245	Scala	0	A distributed, fault-tolerant graph database	2017-03-16T23:11:18Z
47	shadowsocksr-v2ray-trojan-android	3161	375	Scala	93	A simple client for Android	2024-02-25T00:32:29Z
48	Spark-The-Definitive-Guide	3143	2905	Scala	25	Spark: The Definitive Guide's Code Repository	2020-08-26T08:17:35Z
49	elasticmq	2916	203	Scala	19	In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.	2026-08-24T00:41:31Z
50	spark-jobserver	2836	970	Scala	108	REST job server for Apache Spark	2026-03-03T12:09:21Z
51	mill	2781	444	Scala	180	A better build tool for Java, Scala and Kotlin: Simpler than Maven, easier than Gradle, with 3-7x faster dev workflows than other JVM build tools	2026-08-22T17:37:30Z
52	kestrel	2753	308	Scala	24	simple, distributed message queue system (inactive)	2016-01-22T07:54:28Z
53	node2vec	2739	906	Scala	82	None	2022-07-21T14:37:25Z
54	util	2718	571	Scala	5	Wonderful reusable code from Twitter	2025-12-08T14:10:27Z
55	slick	2664	614	Scala	390	Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala	2026-08-24T01:48:20Z
56	scalatra	2650	334	Scala	64	Tiny Scala high-performance, async web framework, inspired by Sinatra	2026-08-22T02:06:10Z
57	scala-exercises	2645	535	Scala	47	The easy way to learn Scala.	2025-09-23T13:18:05Z
58	Ammonite	2630	365	Scala	127	Scala Scripting	2026-06-22T01:22:39Z
59	scio	2628	533	Scala	111	A Scala API for Apache Beam and Google Cloud Dataflow.	2026-08-11T19:43:46Z
60	lagom	2627	618	Scala	446	Reactive Microservices for the JVM	2023-08-14T13:43:48Z
61	http4s	2626	813	Scala	268	A minimal, idiomatic Scala interface for HTTP	2026-08-24T01:20:09Z
62	circe	2542	546	Scala	110	Yet another JSON library for Scala	2026-07-23T08:36:23Z
63	spray	2493	548	Scala	69	A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable	2017-02-21T11:03:37Z
64	SZT-bigdata	2474	616	Scala	1	深圳地铁大数据客流分析系统🚇🚄🌟	2026-05-12T06:07:08Z
65	fs2	2450	635	Scala	106	Compositional, streaming I/O library for Scala	2026-08-20T20:09:46Z
66	metarank	2432	108	Scala	95	A low code Machine Learning personalized ranking service for articles, listings, search results, recommendations that boosts user engagement. A friendly Learn-to-Rank engine	2025-09-24T16:56:42Z
67	chipyard	2365	903	Scala	157	An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more	2026-08-19T06:11:29Z
68	kyuubi	2360	1015	Scala	479	Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses.	2026-08-24T03:39:59Z
69	metals	2327	439	Scala	252	Scala language server with rich IDE features 🚀	2026-08-21T16:54:48Z
70	algebird	2295	345	Scala	73	Abstract Algebra for Scala	2025-11-21T04:01:23Z
71	TransmogrifAI	2276	399	Scala	35	TransmogrifAI (pronounced trăns-mŏgˈrə-fī) is an AutoML library for building modular, reusable, strongly typed machine learning workflows on Apache Spark with minimal hand-tuning	2026-06-02T18:03:07Z
72	finatra	2272	403	Scala	16	Fast, testable, Scala services built on TwitterServer and Finagle	2025-08-18T21:11:27Z
73	gizzard	2246	206	Scala	0	[Archived] A flexible sharding framework for creating eventually-consistent distributed datastores	2017-03-16T23:21:54Z
74	cats-effect	2233	577	Scala	202	The pure asynchronous runtime for Scala	2026-08-24T02:07:37Z
75	doobie	2225	379	Scala	127	Functional JDBC layer for Scala.	2026-08-21T04:20:05Z
76	riscv-boom	2224	524	Scala	151	SonicBOOM: The Berkeley Out-of-Order Machine	2026-08-11T21:18:21Z
77	s3_website	2217	175	Scala	70	Manage an S3 website: sync, deliver via CloudFront, benefit from advanced S3 website features.	2023-03-23T05:42:25Z
78	zio-quill	2165	352	Scala	291	Compile-time Language Integrated Queries for Scala	2026-08-22T00:11:49Z
79	coursier	2135	334	Scala	395	Pure Scala Artifact Fetching	2026-08-22T12:07:04Z
80	summingbird	2123	256	Scala	148	Streaming MapReduce with Scalding and Storm	2022-01-19T17:31:02Z
81	scaloid	2088	159	Scala	17	Scaloid makes your Android code easy to understand and maintain.	2026-08-20T07:32:39Z
82	SpinalHDL	2031	386	Scala	126	Scala based HDL	2026-08-12T07:15:05Z
83	Vale	2007	58	Scala	243	Compiler for the Vale programming language - http://vale.dev/	2024-05-14T13:00:21Z
84	textteaser	1967	248	Scala	6	TextTeaser is an automatic summarization algorithm.	2018-02-07T06:42:57Z
85	scalacheck	1964	393	Scala	55	Property-based testing for Scala	2026-08-22T17:44:49Z
86	sangria	1962	219	Scala	51	Scala GraphQL implementation	2026-08-20T08:14:39Z
87	cassandra-spark-connector	1954	930	Scala	0	Apache Spark to Apache Cassandra connector	2025-04-29T09:28:59Z
88	feathr	1938	246	Scala	140	Feathr – A scalable, unified data and AI engineering platform for enterprise	2024-04-04T19:17:41Z
89	monix	1929	243	Scala	85	Asynchronous, Reactive Programming for Scala and Scala.js.	2026-08-23T22:19:36Z
90	byzer-lang	1836	537	Scala	113	Byzer (former MLSQL): A low-code open-source programming language for data pipeline, analytics and AI.	2024-05-29T08:24:09Z
91	spire	1772	238	Scala	133	Powerful new number types and numeric abstractions for Scala.	2026-07-27T16:55:37Z
92	graphcool-framework	1755	125	Scala	498	None	2020-09-04T16:57:58Z
93	giter8	1752	225	Scala	48	a command line tool to apply templates defined on GitHub	2026-08-23T14:07:33Z
94	OpenComputers	1738	502	Scala	131	Home of the OpenComputers mod for Minecraft.	2026-08-04T16:07:14Z
95	OBP-API	1736	478	Scala	196	An open source RESTful API platform for banks that supports Open Banking, XS2A, PSD2 and Open Finance through access to accounts, transactions, counterparties, payments, entitlements and metadata - plus a host of internal banking and management APIs.	2026-08-18T11:31:07Z
96	refined	1731	153	Scala	63	Refinement types for Scala	2026-08-23T17:59:34Z
97	Monocle	1699	208	Scala	51	Optics library for Scala	2026-08-21T22:18:15Z
98	skunk	1664	175	Scala	77	A data access library for Scala + Postgres.	2026-08-09T20:18:16Z
99	scalajs-react	1658	230	Scala	14	Facebook's React on Scala.JS	2026-07-13T06:23:38Z
100	elastic4s	1639	683	Scala	6	🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client	2026-08-22T06:05:26Z