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	73612	13264	Scala	325	Source code for the X Recommendation Algorithm	2025-09-08T18:40:54Z
2	spark	43740	29295	Scala	44	Apache Spark - A unified analytics engine for large-scale data processing	2026-07-31T03:56:44Z
3	lila	18510	2741	Scala	1245	♞ lichess.org: the forever free, adless and open source chess server ♞	2026-07-31T00:40:46Z
4	prisma1	16386	839	Scala	2	💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated]	2022-09-01T18:57:41Z
5	scala	14558	3174	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	2026-07-20T14:41:16Z
6	akka-core	13275	3543	Scala	874	A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.	2026-07-13T07:59:20Z
7	playframework	12620	4030	Scala	408	The Community Maintained High Velocity Web Framework For Java and Scala.	2026-07-30T12:50:32Z
8	predictionio	12520	1900	Scala	0	PredictionIO, a machine learning server for developers and ML engineers.	2021-01-09T10:30:58Z
9	bfg-repo-cleaner	12165	583	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	11926	2477	Scala	499	CMAK is a tool for managing Apache Kafka clusters	2023-08-02T19:26:23Z
11	gitbucket	9387	1267	Scala	300	A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility	2026-07-30T21:53:17Z
12	delta	8928	2145	Scala	837	An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs	2026-07-31T02:50:02Z
13	finagle	8862	1434	Scala	59	A fault tolerant, protocol-agnostic RPC system	2026-07-28T12:10:56Z
14	snowflake	7769	1115	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	7167	927	Scala	114	Open-source high-performance RISC-V processor	2026-07-31T03:35:21Z
16	snowplow	7024	1174	Scala	59	The leader in Customer Data Infrastructure	2026-06-26T12:44:39Z
17	gatling	6941	1204	Scala	18	Modern Load Testing as Code	2026-07-27T20:37:22Z
18	ArnoldC	6882	294	Scala	69	Arnold Schwarzenegger based programming language	2024-01-31T22:40:52Z
19	openwhisk	6791	1180	Scala	405	Apache OpenWhisk is an open source serverless cloud platform	2026-07-27T17:34:43Z
20	scala3	6284	1173	Scala	1741	The Scala 3 compiler, also known as Dotty.	2026-07-30T16:01:03Z
21	frontend	5892	569	Scala	146	The Guardian DotCom.	2026-07-30T07:13:29Z
22	fpinscala	5844	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	5451	1245	Scala	224	Lightweight, modular, and extensible library for functional programming.	2026-07-28T02:08:00Z
24	linkerd	5312	494	Scala	133	Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x.	2023-03-04T18:59:40Z
25	SynapseML	5234	865	Scala	350	Simple and Distributed Machine Learning	2026-07-30T12:33:03Z
26	sbt	4935	1040	Scala	452	sbt, the interactive build tool	2026-07-31T04:04:22Z
27	aerosolve	4810	563	Scala	6	A machine learning package built for humans.	2025-11-06T00:53:40Z
28	chisel	4740	653	Scala	356	Chisel: A Modern Hardware Design Language	2026-07-30T11:44:33Z
29	scala-js	4707	408	Scala	35	Scala.js, the Scala to JavaScript compiler	2026-07-28T13:30:36Z
30	scala-native	4671	388	Scala	342	Your favorite language gets closer to bare metal.	2026-07-27T03:35:08Z
31	scalaz	4670	699	Scala	123	Principled Functional Programming in Scala	2026-07-27T22:05:45Z
32	zio	4400	1587	Scala	147	ZIO — A type-safe, composable library for async and concurrent programming in Scala	2026-07-31T03:46:41Z
33	chronos	4376	520	Scala	210	Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules	2022-06-29T19:43:36Z
34	spark-nlp	4149	743	Scala	17	State of the Art Natural Language Processing	2026-07-30T20:15:39Z
35	marathon	4029	831	Scala	27	Deploy and manage containers (including Docker) on top of Apache Mesos at scale.	2022-09-08T05:13:23Z
36	TheHive	3945	694	Scala	821	TheHive is a Collaborative Case Management Platform, now distributed as a commercial version	2025-07-25T13:57:27Z
37	rocket-chip	3830	1288	Scala	269	Rocket Chip Generator	2026-06-02T17:57:09Z
38	diffy	3813	360	Scala	0	Find potential bugs in your services with Diffy	2020-07-01T19:13:06Z
39	deequ	3638	584	Scala	74	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	3559	355	Scala	7	In-memory dimensional time series database.	2026-07-28T16:53:59Z
41	scalding	3522	699	Scala	287	A Scala API for Cascading	2023-05-28T19:18:59Z
42	CoolplaySpark	3474	1381	Scala	31	酷玩 Spark: Spark 源代码解析、Spark 类库等	2022-05-18T08:55:54Z
43	breeze	3454	690	Scala	88	Breeze is/was a numerical processing library for Scala.	2025-10-04T22:40:06Z
44	shapeless	3398	520	Scala	27	Generic programming for Scala	2026-07-19T06:54:07Z
45	joern	3374	434	Scala	310	Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc	2026-07-30T16:36:58Z
46	flockdb	3317	248	Scala	0	A distributed, fault-tolerant graph database	2017-03-16T23:11:18Z
47	shadowsocksr-v2ray-trojan-android	3171	376	Scala	93	A simple client for Android	2024-02-25T00:32:29Z
48	Spark-The-Definitive-Guide	3140	2901	Scala	25	Spark: The Definitive Guide's Code Repository	2020-08-26T08:17:35Z
49	elasticmq	2905	203	Scala	19	In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.	2026-07-31T00:55:51Z
50	spark-jobserver	2837	970	Scala	108	REST job server for Apache Spark	2026-03-03T12:09:21Z
51	mill	2770	446	Scala	177	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	2026-07-28T04:22:02Z
52	kestrel	2755	307	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	2717	572	Scala	5	Wonderful reusable code from Twitter	2025-12-08T14:10:27Z
55	slick	2664	613	Scala	389	Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala	2026-07-28T22:22:58Z
56	scalatra	2650	335	Scala	63	Tiny Scala high-performance, async web framework, inspired by Sinatra	2026-07-30T23:42:14Z
57	scala-exercises	2645	536	Scala	47	The easy way to learn Scala.	2025-09-23T13:18:05Z
58	Ammonite	2631	367	Scala	127	Scala Scripting	2026-06-22T01:22:39Z
59	lagom	2628	620	Scala	446	Reactive Microservices for the JVM	2023-08-14T13:43:48Z
60	scio	2626	532	Scala	111	A Scala API for Apache Beam and Google Cloud Dataflow.	2026-07-27T18:41:27Z
61	http4s	2621	813	Scala	266	A minimal, idiomatic Scala interface for HTTP	2026-07-28T10:13:56Z
62	circe	2541	545	Scala	111	Yet another JSON library for Scala	2026-07-23T08:36:23Z
63	spray	2492	552	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	2472	616	Scala	1	深圳地铁大数据客流分析系统🚇🚄🌟	2026-05-12T06:07:08Z
65	fs2	2446	633	Scala	106	Compositional, streaming I/O library for Scala	2026-07-28T08:36:43Z
66	metarank	2430	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	kyuubi	2354	1006	Scala	478	Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses.	2026-07-30T06:26:33Z
68	chipyard	2343	891	Scala	158	An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more	2026-07-29T05:39:54Z
69	metals	2317	438	Scala	257	Scala language server with rich IDE features 🚀	2026-07-30T16:35:23Z
70	algebird	2299	346	Scala	73	Abstract Algebra for Scala	2025-11-21T04:01:23Z
71	TransmogrifAI	2279	400	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	2232	577	Scala	202	The pure asynchronous runtime for Scala	2026-07-30T20:31:45Z
75	doobie	2225	379	Scala	128	Functional JDBC layer for Scala.	2026-07-29T16:33:37Z
76	s3_website	2218	176	Scala	70	Manage an S3 website: sync, deliver via CloudFront, benefit from advanced S3 website features.	2023-03-23T05:42:25Z
77	riscv-boom	2204	520	Scala	153	SonicBOOM: The Berkeley Out-of-Order Machine	2026-07-22T16:59:59Z
78	zio-quill	2166	352	Scala	292	Compile-time Language Integrated Queries for Scala	2026-07-22T00:30:53Z
79	coursier	2131	335	Scala	395	Pure Scala Artifact Fetching	2026-07-29T14:37:42Z
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.	2024-06-13T04:46:50Z
82	SpinalHDL	2021	385	Scala	126	Scala based HDL	2026-07-28T06:11:10Z
83	Vale	2004	59	Scala	243	Compiler for the Vale programming language - http://vale.dev/	2024-05-14T13:00:21Z
84	textteaser	1968	248	Scala	6	TextTeaser is an automatic summarization algorithm.	2018-02-07T06:42:57Z
85	scalacheck	1966	395	Scala	54	Property-based testing for Scala	2026-07-27T18:48:22Z
86	sangria	1962	219	Scala	51	Scala GraphQL implementation	2026-07-19T11:36:35Z
87	cassandra-spark-connector	1950	930	Scala	0	Apache Spark to Apache Cassandra connector	2025-04-29T09:28:59Z
88	feathr	1940	246	Scala	140	Feathr – A scalable, unified data and AI engineering platform for enterprise	2024-04-04T19:17:41Z
89	monix	1931	244	Scala	85	Asynchronous, Reactive Programming for Scala and Scala.js.	2026-06-02T12:29:27Z
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	1773	239	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	2026-07-29T22:42:48Z
94	OBP-API	1730	475	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.	2026-07-28T14:41:09Z
95	OpenComputers	1729	491	Scala	131	Home of the OpenComputers mod for Minecraft.	2026-05-31T10:55:34Z
96	refined	1729	154	Scala	63	Refinement types for Scala	2026-07-28T17:09:30Z
97	Monocle	1696	208	Scala	51	Optics library for Scala	2026-07-28T22:24:22Z
98	skunk	1664	176	Scala	78	A data access library for Scala + Postgres.	2026-07-27T16:55:04Z
99	scalajs-react	1659	231	Scala	14	Facebook's React on Scala.JS	2026-07-13T06:23:38Z
100	elastic4s	1639	683	Scala	11	🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client	2026-07-28T21:18:15Z