| 1 |
the-algorithm |
73995 |
13261 |
Scala |
336 |
Source code for the X Recommendation Algorithm |
2025-09-08T18:40:54Z |
| 2 |
spark |
44391 |
29610 |
Scala |
32 |
Apache Spark - A unified analytics engine for large-scale data processing |
2026-11-03T04:03:47Z |
| 3 |
lila |
18938 |
2800 |
Scala |
1244 |
♞ lichess.org: the forever free, adless and open source chess server ♞ |
2026-11-03T00:20:48Z |
| 4 |
prisma1 |
16371 |
836 |
Scala |
2 |
💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated] |
2022-09-01T18:57:41Z |
| 5 |
scala |
14535 |
3294 |
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 |
2026-11-02T12:08:09Z |
| 6 |
akka-core |
13282 |
3530 |
Scala |
872 |
A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments. |
2026-11-02T10:28:54Z |
| 7 |
playframework |
12621 |
4013 |
Scala |
406 |
The Community Maintained High Velocity Web Framework For Java and Scala. |
2026-10-29T23:39:47Z |
| 8 |
predictionio |
12519 |
1889 |
Scala |
0 |
PredictionIO, a machine learning server for developers and ML engineers. |
2021-01-09T10:30:58Z |
| 9 |
bfg-repo-cleaner |
12202 |
585 |
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 |
11918 |
2468 |
Scala |
498 |
CMAK is a tool for managing Apache Kafka clusters |
2023-08-02T19:26:23Z |
| 11 |
gitbucket |
9417 |
1262 |
Scala |
297 |
A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility |
2026-10-29T21:31:27Z |
| 12 |
delta |
9066 |
2207 |
Scala |
394 |
An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs |
2026-11-02T21:55:44Z |
| 13 |
finagle |
8869 |
1426 |
Scala |
59 |
A fault tolerant, protocol-agnostic RPC system |
2026-08-13T18:10:51Z |
| 14 |
snowflake |
7754 |
1108 |
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 |
7363 |
973 |
Scala |
159 |
Open-source high-performance RISC-V processor |
2026-11-03T03:58:21Z |
| 16 |
snowplow |
7048 |
1170 |
Scala |
59 |
The leader in Customer Data Infrastructure |
2026-10-19T22:59:25Z |
| 17 |
gatling |
6956 |
1210 |
Scala |
17 |
Modern Load Testing as Code |
2026-11-02T23:32:21Z |
| 18 |
ArnoldC |
6885 |
294 |
Scala |
69 |
Arnold Schwarzenegger based programming language |
2024-01-31T22:40:52Z |
| 19 |
openwhisk |
6804 |
1181 |
Scala |
410 |
Apache OpenWhisk is an open source serverless cloud platform |
2026-09-08T15:46:34Z |
| 20 |
scala3 |
6332 |
1187 |
Scala |
1677 |
The Scala 3 compiler, also known as Dotty. |
2026-11-02T15:38:38Z |
| 21 |
frontend |
5899 |
573 |
Scala |
155 |
The Guardian DotCom. |
2026-11-02T20:43:34Z |
| 22 |
fpinscala |
5880 |
3038 |
Scala |
79 |
Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala" |
2024-12-11T18:19:58Z |
| 23 |
cats |
5480 |
1241 |
Scala |
223 |
Lightweight, modular, and extensible library for functional programming. |
2026-10-31T21:56:16Z |
| 24 |
linkerd |
5305 |
493 |
Scala |
134 |
Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x. |
2023-03-04T18:59:40Z |
| 25 |
SynapseML |
5252 |
868 |
Scala |
138 |
Simple and Distributed Machine Learning Python Library porting ML algorithms for Spark |
2026-11-02T21:25:46Z |
| 26 |
sbt |
4953 |
1053 |
Scala |
453 |
sbt, the interactive build tool |
2026-10-31T17:35:15Z |
| 27 |
chisel |
4826 |
666 |
Scala |
355 |
Chisel: A Modern Hardware Design Language |
2026-11-02T17:13:15Z |
| 28 |
aerosolve |
4810 |
561 |
Scala |
6 |
A machine learning package built for humans. |
2025-11-06T00:53:40Z |
| 29 |
scala-js |
4708 |
407 |
Scala |
34 |
Scala.js, the Scala to JavaScript compiler |
2026-10-31T19:51:56Z |
| 30 |
scala-native |
4706 |
406 |
Scala |
321 |
Your favorite language gets closer to bare metal. |
2026-11-03T03:25:15Z |
| 31 |
scalaz |
4670 |
696 |
Scala |
123 |
Principled Functional Programming in Scala |
2026-11-02T23:12:41Z |
| 32 |
zio |
4434 |
1597 |
Scala |
155 |
ZIO — A type-safe, composable library for async and concurrent programming in Scala |
2026-11-03T01:32:23Z |
| 33 |
chronos |
4372 |
518 |
Scala |
210 |
Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules |
2022-06-29T19:43:36Z |
| 34 |
spark-nlp |
4159 |
743 |
Scala |
17 |
State of the Art Natural Language Processing |
2026-11-02T08:57:59Z |
| 35 |
marathon |
4022 |
829 |
Scala |
27 |
Deploy and manage containers (including Docker) on top of Apache Mesos at scale. |
2022-09-08T05:13:23Z |
| 36 |
TheHive |
3949 |
705 |
Scala |
821 |
TheHive is a Cybersecurity Incident Response Management (CIRM) platform, now distributed commercially. Learn more on the official website: |
2025-07-25T13:57:27Z |
| 37 |
rocket-chip |
3895 |
1308 |
Scala |
280 |
Rocket Chip Generator |
2026-09-13T01:04:13Z |
| 38 |
diffy |
3802 |
358 |
Scala |
0 |
Find potential bugs in your services with Diffy |
2020-07-01T19:13:06Z |
| 39 |
deequ |
3657 |
585 |
Scala |
60 |
Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets. |
2026-10-20T19:30:59Z |
| 40 |
joern |
3616 |
475 |
Scala |
281 |
Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc |
2026-11-02T18:27:20Z |
| 41 |
atlas |
3583 |
360 |
Scala |
7 |
In-memory dimensional time series database. |
2026-11-01T13:53:08Z |
| 42 |
scalding |
3521 |
697 |
Scala |
287 |
A Scala API for Cascading |
2023-05-28T19:18:59Z |
| 43 |
CoolplaySpark |
3472 |
1374 |
Scala |
31 |
酷玩 Spark: Spark 源代码解析、Spark 类库等 |
2022-05-18T08:55:54Z |
| 44 |
breeze |
3456 |
688 |
Scala |
88 |
Breeze is/was a numerical processing library for Scala. |
2025-10-04T22:40:06Z |
| 45 |
shapeless |
3401 |
520 |
Scala |
28 |
Generic programming for Scala |
2026-10-28T22:47:02Z |
| 46 |
flockdb |
3310 |
242 |
Scala |
0 |
A distributed, fault-tolerant graph database |
2017-03-16T23:11:18Z |
| 47 |
shadowsocksr-v2ray-trojan-android |
3160 |
373 |
Scala |
94 |
A simple client for Android |
2024-02-25T00:32:29Z |
| 48 |
Spark-The-Definitive-Guide |
3151 |
2909 |
Scala |
26 |
Spark: The Definitive Guide's Code Repository |
2020-08-26T08:17:35Z |
| 49 |
elasticmq |
2953 |
201 |
Scala |
19 |
In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded. |
2026-11-02T14:32:27Z |
| 50 |
spark-jobserver |
2833 |
964 |
Scala |
108 |
REST job server for Apache Spark |
2026-03-03T12:09:21Z |
| 51 |
mill |
2800 |
449 |
Scala |
194 |
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 |
2026-11-02T22:16:53Z |
| 52 |
kestrel |
2752 |
307 |
Scala |
24 |
simple, distributed message queue system (inactive) |
2016-01-22T07:54:28Z |
| 53 |
node2vec |
2741 |
904 |
Scala |
83 |
None |
2022-07-21T14:37:25Z |
| 54 |
util |
2720 |
568 |
Scala |
5 |
Wonderful reusable code from Twitter |
2025-12-08T14:10:27Z |
| 55 |
slick |
2666 |
610 |
Scala |
107 |
Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala |
2026-11-02T16:52:04Z |
| 56 |
scalatra |
2649 |
333 |
Scala |
63 |
Tiny Scala high-performance, async web framework, inspired by Sinatra |
2026-11-01T00:00:55Z |
| 57 |
scala-exercises |
2648 |
534 |
Scala |
49 |
The easy way to learn Scala. |
2025-09-23T13:18:05Z |
| 58 |
scio |
2631 |
540 |
Scala |
112 |
A Scala API for Apache Beam and Google Cloud Dataflow. |
2026-11-02T04:02:49Z |
| 59 |
lagom |
2630 |
615 |
Scala |
446 |
Reactive Microservices for the JVM |
2023-08-14T13:43:48Z |
| 60 |
Ammonite |
2629 |
363 |
Scala |
127 |
Scala Scripting |
2026-08-31T03:40:12Z |
| 61 |
http4s |
2626 |
820 |
Scala |
269 |
A minimal, idiomatic Scala interface for HTTP |
2026-11-03T02:03:46Z |
| 62 |
circe |
2543 |
545 |
Scala |
110 |
Yet another JSON library for Scala |
2026-11-02T08:36:31Z |
| 63 |
spray |
2490 |
547 |
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 |
613 |
Scala |
1 |
深圳地铁大数据客流分析系统🚇🚄🌟 |
2026-05-12T06:07:08Z |
| 65 |
metarank |
2456 |
111 |
Scala |
93 |
A low code Machine Learning personalized ranking service for articles, listings, search results, recommendations that boosts user engagement. A friendly Learn-to-Rank engine |
2026-10-06T21:30:34Z |
| 66 |
fs2 |
2456 |
633 |
Scala |
106 |
Compositional, streaming I/O library for Scala |
2026-11-02T21:11:06Z |
| 67 |
chipyard |
2444 |
933 |
Scala |
155 |
An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more |
2026-11-03T02:17:34Z |
| 68 |
NotProton |
2391 |
139 |
Scala |
17 |
Steam Play for macOS |
2026-11-02T22:56:27Z |
| 69 |
kyuubi |
2376 |
1033 |
Scala |
483 |
Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses. |
2026-11-03T02:09:11Z |
| 70 |
metals |
2337 |
451 |
Scala |
255 |
Scala language server with rich IDE features 🚀 |
2026-11-02T11:50:51Z |
| 71 |
algebird |
2295 |
346 |
Scala |
73 |
Abstract Algebra for Scala |
2025-11-21T04:01:23Z |
| 72 |
TransmogrifAI |
2280 |
397 |
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 |
| 73 |
riscv-boom |
2276 |
536 |
Scala |
172 |
SonicBOOM: The Berkeley Out-of-Order Machine |
2026-11-02T23:54:41Z |
| 74 |
finatra |
2274 |
402 |
Scala |
16 |
Fast, testable, Scala services built on TwitterServer and Finagle |
2025-08-18T21:11:27Z |
| 75 |
cats-effect |
2252 |
585 |
Scala |
199 |
The pure asynchronous runtime for Scala |
2026-10-28T16:20:51Z |
| 76 |
gizzard |
2242 |
205 |
Scala |
0 |
[Archived] A flexible sharding framework for creating eventually-consistent distributed datastores |
2017-03-16T23:21:54Z |
| 77 |
doobie |
2226 |
377 |
Scala |
126 |
Functional JDBC layer for Scala. |
2026-10-28T16:41:44Z |
| 78 |
s3_website |
2214 |
175 |
Scala |
70 |
Manage an S3 website: sync, deliver via CloudFront, benefit from advanced S3 website features. |
2023-03-23T05:42:25Z |
| 79 |
zio-quill |
2167 |
354 |
Scala |
288 |
Compile-time Language Integrated Queries for Scala |
2026-11-02T02:24:07Z |
| 80 |
coursier |
2141 |
335 |
Scala |
384 |
Pure Scala Artifact Fetching |
2026-11-03T01:26:18Z |
| 81 |
summingbird |
2121 |
255 |
Scala |
148 |
Streaming MapReduce with Scalding and Storm |
2022-01-19T17:31:02Z |
| 82 |
scaloid |
2086 |
156 |
Scala |
17 |
Scaloid makes your Android code easy to understand and maintain. |
2026-08-20T07:32:39Z |
| 83 |
SpinalHDL |
2056 |
396 |
Scala |
133 |
Scala based HDL |
2026-10-30T07:40:59Z |
| 84 |
Vale |
2030 |
58 |
Scala |
243 |
Compiler for the Vale programming language - http://vale.dev/ |
2026-09-23T04:23:25Z |
| 85 |
textteaser |
1966 |
247 |
Scala |
5 |
TextTeaser is an automatic summarization algorithm. |
2018-02-07T06:42:57Z |
| 86 |
scalacheck |
1964 |
392 |
Scala |
56 |
Property-based testing for Scala |
2026-10-29T04:20:49Z |
| 87 |
sangria |
1963 |
219 |
Scala |
51 |
Scala GraphQL implementation |
2026-11-02T09:47:28Z |
| 88 |
cassandra-spark-connector |
1955 |
931 |
Scala |
0 |
Apache Spark to Apache Cassandra connector |
2025-04-29T09:28:59Z |
| 89 |
feathr |
1947 |
246 |
Scala |
140 |
Feathr – A scalable, unified data and AI engineering platform for enterprise |
2024-04-04T19:17:41Z |
| 90 |
monix |
1932 |
244 |
Scala |
81 |
Asynchronous, Reactive Programming for Scala and Scala.js. |
2026-11-02T09:12:31Z |
| 91 |
byzer-lang |
1833 |
536 |
Scala |
113 |
Byzer (former MLSQL): A low-code open-source programming language for data pipeline, analytics and AI. |
2024-05-29T08:24:09Z |
| 92 |
spire |
1772 |
239 |
Scala |
133 |
Powerful new number types and numeric abstractions for Scala. |
2026-10-28T16:45:48Z |
| 93 |
graphcool-framework |
1754 |
125 |
Scala |
498 |
None |
2020-09-04T16:57:58Z |
| 94 |
giter8 |
1750 |
225 |
Scala |
48 |
a command line tool to apply templates defined on GitHub |
2026-11-02T10:04:53Z |
| 95 |
OBP-API |
1745 |
488 |
Scala |
199 |
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. |
2026-10-29T08:01:38Z |
| 96 |
OpenComputers |
1741 |
521 |
Scala |
130 |
Home of the OpenComputers mod for Minecraft. |
2026-08-04T16:07:14Z |
| 97 |
refined |
1732 |
151 |
Scala |
62 |
Refinement types for Scala |
2026-10-28T20:14:29Z |
| 98 |
Monocle |
1700 |
207 |
Scala |
52 |
Optics library for Scala |
2026-10-28T23:04:08Z |
| 99 |
skunk |
1667 |
175 |
Scala |
75 |
A data access library for Scala + Postgres. |
2026-10-28T16:44:37Z |
| 100 |
pekko |
1662 |
213 |
Scala |
119 |
Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala |
2026-11-02T18:30:39Z |
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