| 1 |
the-algorithm |
73637 |
13265 |
Scala |
326 |
Source code for the X Recommendation Algorithm |
2025-09-08T18:40:54Z |
| 2 |
spark |
43765 |
29299 |
Scala |
43 |
Apache Spark - A unified analytics engine for large-scale data processing |
2026-08-02T17:27:58Z |
| 3 |
lila |
18529 |
2744 |
Scala |
1248 |
♞ lichess.org: the forever free, adless and open source chess server ♞ |
2026-08-02T16:21:19Z |
| 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 |
14560 |
3190 |
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 |
2026-08-01T20:25:04Z |
| 6 |
akka-core |
13276 |
3542 |
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 |
4029 |
Scala |
408 |
The Community Maintained High Velocity Web Framework For Java and Scala. |
2026-07-30T12:50:32Z |
| 8 |
predictionio |
12518 |
1900 |
Scala |
0 |
PredictionIO, a machine learning server for developers and ML engineers. |
2021-01-09T10:30:58Z |
| 9 |
bfg-repo-cleaner |
12162 |
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 |
11924 |
2477 |
Scala |
499 |
CMAK is a tool for managing Apache Kafka clusters |
2023-08-02T19:26:23Z |
| 11 |
gitbucket |
9386 |
1268 |
Scala |
300 |
A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility |
2026-08-01T08:25:22Z |
| 12 |
delta |
8927 |
2145 |
Scala |
836 |
An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs |
2026-08-02T05:11:43Z |
| 13 |
finagle |
8863 |
1434 |
Scala |
59 |
A fault tolerant, protocol-agnostic RPC system |
2026-07-28T12:10:56Z |
| 14 |
snowflake |
7768 |
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 |
7170 |
928 |
Scala |
115 |
Open-source high-performance RISC-V processor |
2026-08-02T05:46:17Z |
| 16 |
snowplow |
7025 |
1174 |
Scala |
59 |
The leader in Customer Data Infrastructure |
2026-06-26T12:44:39Z |
| 17 |
gatling |
6943 |
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 |
1179 |
Scala |
405 |
Apache OpenWhisk is an open source serverless cloud platform |
2026-07-27T17:34:43Z |
| 20 |
scala3 |
6285 |
1173 |
Scala |
1738 |
The Scala 3 compiler, also known as Dotty. |
2026-08-01T10:04:47Z |
| 21 |
frontend |
5892 |
569 |
Scala |
144 |
The Guardian DotCom. |
2026-07-31T16:26:43Z |
| 22 |
fpinscala |
5844 |
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 |
5451 |
1245 |
Scala |
224 |
Lightweight, modular, and extensible library for functional programming. |
2026-07-28T02:08:00Z |
| 24 |
linkerd |
5311 |
494 |
Scala |
133 |
Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x. |
2023-03-04T18:59:40Z |
| 25 |
SynapseML |
5232 |
865 |
Scala |
349 |
Simple and Distributed Machine Learning |
2026-08-01T14:25:51Z |
| 26 |
sbt |
4935 |
1039 |
Scala |
451 |
sbt, the interactive build tool |
2026-08-02T09:41:01Z |
| 27 |
aerosolve |
4810 |
563 |
Scala |
6 |
A machine learning package built for humans. |
2025-11-06T00:53:40Z |
| 28 |
chisel |
4743 |
654 |
Scala |
356 |
Chisel: A Modern Hardware Design Language |
2026-07-30T11:44:33Z |
| 29 |
scala-js |
4708 |
408 |
Scala |
35 |
Scala.js, the Scala to JavaScript compiler |
2026-07-28T13:30:36Z |
| 30 |
scalaz |
4671 |
699 |
Scala |
123 |
Principled Functional Programming in Scala |
2026-07-27T22:05:45Z |
| 31 |
scala-native |
4671 |
388 |
Scala |
341 |
Your favorite language gets closer to bare metal. |
2026-07-27T03:35:08Z |
| 32 |
zio |
4401 |
1587 |
Scala |
147 |
ZIO — A type-safe, composable library for async and concurrent programming in Scala |
2026-07-31T21:50:56Z |
| 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 |
4150 |
743 |
Scala |
17 |
State of the Art Natural Language Processing |
2026-08-02T14:11:39Z |
| 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 |
3946 |
693 |
Scala |
821 |
TheHive is a Collaborative Case Management Platform, now distributed as a commercial version |
2025-07-25T13:57:27Z |
| 37 |
rocket-chip |
3834 |
1286 |
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 |
3639 |
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 |
354 |
Scala |
7 |
In-memory dimensional time series database. |
2026-08-01T11:34:49Z |
| 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 |
3399 |
520 |
Scala |
27 |
Generic programming for Scala |
2026-07-19T06:54:07Z |
| 45 |
joern |
3384 |
436 |
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 |
2026-08-01T08:24:53Z |
| 46 |
flockdb |
3317 |
248 |
Scala |
0 |
A distributed, fault-tolerant graph database |
2017-03-16T23:11:18Z |
| 47 |
shadowsocksr-v2ray-trojan-android |
3170 |
376 |
Scala |
93 |
A simple client for Android |
2024-02-25T00:32:29Z |
| 48 |
Spark-The-Definitive-Guide |
3140 |
2902 |
Scala |
25 |
Spark: The Definitive Guide's Code Repository |
2020-08-26T08:17:35Z |
| 49 |
elasticmq |
2906 |
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 |
2771 |
446 |
Scala |
175 |
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 |
2026-08-01T08:36:44Z |
| 52 |
kestrel |
2755 |
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 |
2719 |
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 |
2026-08-01T08:02:45Z |
| 56 |
scalatra |
2650 |
335 |
Scala |
63 |
Tiny Scala high-performance, async web framework, inspired by Sinatra |
2026-07-31T23:42:31Z |
| 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 |
812 |
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 |
2473 |
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 |
2353 |
1006 |
Scala |
477 |
Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses. |
2026-07-31T23:22:43Z |
| 68 |
chipyard |
2343 |
890 |
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 |
259 |
Scala language server with rich IDE features 🚀 |
2026-08-01T09:14:39Z |
| 70 |
algebird |
2299 |
346 |
Scala |
73 |
Abstract Algebra for Scala |
2025-11-21T04:01:23Z |
| 71 |
TransmogrifAI |
2279 |
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 |
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 |
127 |
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 |
2206 |
521 |
Scala |
151 |
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 |
2132 |
336 |
Scala |
396 |
Pure Scala Artifact Fetching |
2026-07-31T16:37:55Z |
| 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 |
2023 |
385 |
Scala |
126 |
Scala based HDL |
2026-07-28T06:11:10Z |
| 83 |
Vale |
2006 |
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 |
1939 |
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 |
2026-08-02T04:54:50Z |
| 94 |
OpenComputers |
1731 |
492 |
Scala |
131 |
Home of the OpenComputers mod for Minecraft. |
2026-05-31T10:55:34Z |
| 95 |
OBP-API |
1731 |
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 |
| 96 |
refined |
1729 |
154 |
Scala |
63 |
Refinement types for Scala |
2026-07-28T17:09:30Z |
| 97 |
Monocle |
1697 |
208 |
Scala |
51 |
Optics library for Scala |
2026-07-28T22:24:22Z |
| 98 |
skunk |
1664 |
176 |
Scala |
77 |
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 |