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	72921	13268	Scala	318	Source code for the X Recommendation Algorithm	2025-09-08T18:40:54Z
2	spark	43036	29133	Scala	18	Apache Spark - A unified analytics engine for large-scale data processing	2026-03-25T01:23:34Z
3	lila	17952	2609	Scala	1205	♞ lichess.org: the forever free, adless and open source chess server ♞	2026-03-24T20:57:48Z
4	prisma1	16422	845	Scala	2	💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated]	2022-09-01T18:57:41Z
5	scala	14446	3095	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	2026-03-17T07:38:37Z
6	akka-core	13269	3565	Scala	875	A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.	2026-03-23T08:38:00Z
7	playframework	12627	4051	Scala	413	The Community Maintained High Velocity Web Framework For Java and Scala.	2026-03-25T00:32:14Z
8	predictionio	12529	1916	Scala	0	PredictionIO, a machine learning server for developers and ML engineers.	2021-01-09T10:30:58Z
9	bfg-repo-cleaner	12043	573	Scala	264	Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala	2025-01-19T18:52:14Z
10	CMAK	11941	2495	Scala	497	CMAK is a tool for managing Apache Kafka clusters	2023-08-02T19:26:23Z
11	gitbucket	9363	1263	Scala	300	A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility	2026-03-24T21:59:57Z
12	finagle	8873	1440	Scala	60	A fault tolerant, protocol-agnostic RPC system	2026-02-02T16:11:45Z
13	delta	8643	2026	Scala	805	An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs	2026-03-24T19:59:43Z
14	snowflake	7790	1122	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	snowplow	7001	1181	Scala	59	The leader in Customer Data Infrastructure	2026-03-20T18:13:04Z
16	XiangShan	6924	881	Scala	24	Open-source high-performance RISC-V processor	2026-03-25T03:22:20Z
17	gatling	6879	1213	Scala	25	Modern Load Testing as Code	2026-03-20T07:19:56Z
18	ArnoldC	6876	296	Scala	69	Arnold Schwarzenegger based programming language	2024-01-31T22:40:52Z
19	openwhisk	6759	1176	Scala	404	Apache OpenWhisk is an open source serverless cloud platform	2026-03-24T00:31:37Z
20	scala3	6220	1152	Scala	1781	The Scala 3 compiler, also known as Dotty.	2026-03-24T23:40:14Z
21	frontend	5887	567	Scala	115	The Guardian DotCom.	2026-03-24T23:03:47Z
22	fpinscala	5808	3033	Scala	79	Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala"	2024-12-11T18:19:58Z
23	cats	5431	1241	Scala	223	Lightweight, modular, and extensible library for functional programming.	2026-03-25T01:50:44Z
24	linkerd	5335	499	Scala	134	Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x.	2023-03-04T18:59:40Z
25	SynapseML	5215	860	Scala	354	Simple and Distributed Machine Learning	2026-03-25T02:32:03Z
26	sbt	4911	1019	Scala	459	sbt, the interactive build tool	2026-03-25T03:59:50Z
27	aerosolve	4802	565	Scala	6	A machine learning package built for humans.	2025-11-06T00:53:40Z
28	scala-js	4695	407	Scala	35	Scala.js, the Scala to JavaScript compiler	2026-03-15T18:40:50Z
29	scalaz	4674	701	Scala	123	Principled Functional Programming in Scala	2026-03-24T00:09:24Z
30	scala-native	4648	384	Scala	309	Your favorite language gets closer to bare metal.	2026-03-24T01:57:19Z
31	chisel	4617	652	Scala	351	Chisel: A Modern Hardware Design Language	2026-03-24T11:22:30Z
32	chronos	4383	521	Scala	210	Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules	2022-06-29T19:43:36Z
33	zio	4364	1464	Scala	134	ZIO — A type-safe, composable library for async and concurrent programming in Scala	2026-03-25T03:56:46Z
34	spark-nlp	4118	739	Scala	14	State of the Art Natural Language Processing	2026-03-23T14:09:22Z
35	marathon	4044	831	Scala	27	Deploy and manage containers (including Docker) on top of Apache Mesos at scale.	2022-09-08T05:13:23Z
36	TheHive	3897	684	Scala	821	TheHive is a Collaborative Case Management Platform, now distributed as a commercial version	2025-07-25T13:57:27Z
37	diffy	3817	364	Scala	0	Find potential bugs in your services with Diffy	2020-07-01T19:13:06Z
38	rocket-chip	3730	1236	Scala	259	Rocket Chip Generator	2026-02-25T21:52:45Z
39	deequ	3596	581	Scala	145	Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.	2026-03-25T02:10:24Z
40	atlas	3545	334	Scala	7	In-memory dimensional time series database.	2026-03-23T15:38:17Z
41	scalding	3524	702	Scala	287	A Scala API for Cascading	2023-05-28T19:18:59Z
42	CoolplaySpark	3482	1391	Scala	31	酷玩 Spark: Spark 源代码解析、Spark 类库等	2022-05-18T08:55:54Z
43	breeze	3457	692	Scala	88	Breeze is/was a numerical processing library for Scala.	2025-10-04T22:40:06Z
44	shapeless	3412	525	Scala	27	Generic programming for Scala	2026-03-16T20:22:10Z
45	flockdb	3330	250	Scala	0	A distributed, fault-tolerant graph database	2017-03-16T23:11:18Z
46	shadowsocksr-v2ray-trojan-android	3207	381	Scala	89	A simple client for Android	2024-02-25T00:32:29Z
47	Spark-The-Definitive-Guide	3113	2897	Scala	25	Spark: The Definitive Guide's Code Repository	2020-08-26T08:17:35Z
48	joern	3029	404	Scala	311	Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc	2026-03-24T16:31:04Z
49	spark-jobserver	2844	977	Scala	108	REST job server for Apache Spark	2026-03-03T12:09:21Z
50	elasticmq	2828	201	Scala	24	In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.	2026-03-25T00:46:11Z
51	kestrel	2759	309	Scala	24	simple, distributed message queue system (inactive)	2016-01-22T07:54:28Z
52	util	2723	576	Scala	5	Wonderful reusable code from Twitter	2025-12-08T14:10:27Z
53	node2vec	2721	907	Scala	82	None	2022-07-21T14:37:25Z
54	mill	2717	437	Scala	143	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	2026-03-24T19:58:34Z
55	slick	2666	615	Scala	405	Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala	2026-03-24T21:08:38Z
56	scalatra	2649	339	Scala	63	Tiny Scala high-performance, async web framework, inspired by Sinatra	2026-03-24T22:00:31Z
57	scala-exercises	2642	541	Scala	47	The easy way to learn Scala.	2025-09-23T13:18:05Z
58	Ammonite	2635	369	Scala	127	Scala Scripting	2026-02-24T20:04:09Z
59	lagom	2632	625	Scala	446	Reactive Microservices for the JVM	2023-08-14T13:43:48Z
60	scio	2620	523	Scala	112	A Scala API for Apache Beam and Google Cloud Dataflow.	2026-03-24T18:45:56Z
61	http4s	2615	807	Scala	249	A minimal, idiomatic Scala interface for HTTP	2026-03-24T20:50:39Z
62	circe	2533	546	Scala	110	Yet another JSON library for Scala	2026-03-23T09:35:50Z
63	spray	2495	556	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	2448	619	Scala	1	深圳地铁大数据客流分析系统🚇🚄🌟	2024-05-16T17:20:29Z
65	fs2	2445	630	Scala	104	Compositional, streaming I/O library for Scala	2026-03-24T20:30:26Z
66	metarank	2410	108	Scala	92	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	kyuubi	2312	988	Scala	483	Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses.	2026-03-23T21:48:19Z
68	algebird	2300	348	Scala	73	Abstract Algebra for Scala	2025-11-21T04:01:23Z
69	metals	2299	414	Scala	238	Scala language server with rich IDE features 🚀	2026-03-24T19:37:19Z
70	finatra	2271	403	Scala	16	Fast, testable, Scala services built on TwitterServer and Finagle	2025-08-18T21:11:27Z
71	TransmogrifAI	2270	401	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	2023-09-29T22:18:41Z
72	gizzard	2247	205	Scala	0	[Archived] A flexible sharding framework for creating eventually-consistent distributed datastores	2017-03-16T23:21:54Z
73	s3_website	2225	179	Scala	70	Manage an S3 website: sync, deliver via CloudFront, benefit from advanced S3 website features.	2023-03-23T05:42:25Z
74	cats-effect	2221	572	Scala	196	The pure asynchronous runtime for Scala	2026-03-24T20:22:26Z
75	doobie	2216	374	Scala	126	Functional JDBC layer for Scala.	2026-03-24T20:28:10Z
76	chipyard	2190	836	Scala	160	An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more	2026-03-23T20:07:33Z
77	zio-quill	2174	350	Scala	290	Compile-time Language Integrated Queries for Scala	2026-03-17T00:24:06Z
78	summingbird	2124	260	Scala	148	Streaming MapReduce with Scalding and Storm	2022-01-19T17:31:02Z
79	coursier	2117	329	Scala	390	Pure Scala Artifact Fetching	2026-03-23T16:21:12Z
80	riscv-boom	2112	495	Scala	126	SonicBOOM: The Berkeley Out-of-Order Machine	2026-03-11T00:54:55Z
81	scaloid	2094	160	Scala	17	Scaloid makes your Android code easy to understand and maintain.	2024-06-13T04:46:50Z
82	textteaser	1975	249	Scala	6	TextTeaser is an automatic summarization algorithm.	2018-02-07T06:42:57Z
83	Vale	1969	57	Scala	241	Compiler for the Vale programming language - http://vale.dev/	2024-05-14T13:00:21Z
84	sangria	1963	220	Scala	50	Scala GraphQL implementation	2026-03-22T11:45:18Z
85	scalacheck	1963	398	Scala	54	Property-based testing for Scala	2026-03-24T21:01:48Z
86	cassandra-spark-connector	1950	926	Scala	0	Apache Spark to Apache Cassandra connector	2025-04-29T09:28:59Z
87	SpinalHDL	1949	372	Scala	164	Scala based HDL	2026-03-16T10:10:51Z
88	monix	1931	245	Scala	86	Asynchronous, Reactive Programming for Scala and Scala.js.	2026-01-27T12:14:18Z
89	feathr	1927	242	Scala	140	Feathr – A scalable, unified data and AI engineering platform for enterprise	2024-04-04T19:17:41Z
90	byzer-lang	1842	544	Scala	112	Byzer (former MLSQL): A low-code open-source programming language for data pipeline, analytics and AI.	2024-05-29T08:24:09Z
91	spire	1775	239	Scala	133	Powerful new number types and numeric abstractions for Scala.	2026-02-22T05:11:56Z
92	graphcool-framework	1759	125	Scala	498	None	2020-09-04T16:57:58Z
93	giter8	1755	225	Scala	49	a command line tool to apply templates defined on GitHub	2026-03-21T22:44:09Z
94	refined	1731	153	Scala	64	Refinement types for Scala	2026-03-24T17:22:16Z
95	OpenComputers	1696	472	Scala	131	Home of the OpenComputers mod for Minecraft.	2025-08-27T12:32:25Z
96	Monocle	1695	205	Scala	51	Optics library for Scala	2026-03-24T21:59:28Z
97	OBP-API	1686	461	Scala	195	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.	2026-03-24T08:33:42Z
98	scalajs-react	1657	230	Scala	27	Facebook's React on Scala.JS	2026-02-19T02:42:47Z
99	skunk	1640	166	Scala	77	A data access library for Scala + Postgres.	2026-03-24T20:42:11Z
100	elastic4s	1638	688	Scala	12	🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client	2026-03-24T22:48:30Z