| 1 |
the-algorithm |
63500 |
12163 |
Scala |
280 |
Source code for Twitter’s Recommendation Algorithm |
2024-07-10T07:07:01Z |
| 2 |
spark |
41675 |
28734 |
Scala |
0 |
Apache Spark - A unified analytics engine for large-scale data processing |
2025-08-18T03:19:52Z |
| 3 |
lila |
16980 |
2455 |
Scala |
1082 |
♞ lichess.org: the forever free, adless and open source chess server ♞ |
2025-08-17T17:55:02Z |
| 4 |
prisma1 |
16464 |
852 |
Scala |
2 |
💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated] |
2022-09-01T18:57:41Z |
| 5 |
scala |
14401 |
3109 |
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 |
2025-08-18T00:17:52Z |
| 6 |
akka |
13204 |
3589 |
Scala |
873 |
A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments. |
2025-08-15T14:29:53Z |
| 7 |
playframework |
12580 |
4085 |
Scala |
405 |
The Community Maintained High Velocity Web Framework For Java and Scala. |
2025-08-12T08:03:47Z |
| 8 |
predictionio |
12527 |
1922 |
Scala |
0 |
PredictionIO, a machine learning server for developers and ML engineers. |
2021-01-09T10:30:58Z |
| 9 |
CMAK |
11929 |
2500 |
Scala |
497 |
CMAK is a tool for managing Apache Kafka clusters |
2023-08-02T19:26:23Z |
| 10 |
bfg-repo-cleaner |
11685 |
569 |
Scala |
264 |
Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala |
2025-01-19T18:52:14Z |
| 11 |
gitbucket |
9284 |
1256 |
Scala |
312 |
A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility |
2025-08-16T03:30:05Z |
| 12 |
finagle |
8832 |
1449 |
Scala |
60 |
A fault tolerant, protocol-agnostic RPC system |
2025-08-14T08:10:50Z |
| 13 |
delta |
8216 |
1897 |
Scala |
698 |
An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs |
2025-08-17T20:42:03Z |
| 14 |
snowflake |
7730 |
1133 |
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 |
6951 |
1192 |
Scala |
58 |
The leader in Customer Data Infrastructure |
2025-06-04T15:51:26Z |
| 16 |
ArnoldC |
6804 |
294 |
Scala |
69 |
Arnold Schwarzenegger based programming language |
2024-01-31T22:40:52Z |
| 17 |
gatling |
6747 |
1216 |
Scala |
28 |
Modern Load Testing as Code |
2025-08-13T07:10:46Z |
| 18 |
openwhisk |
6677 |
1174 |
Scala |
398 |
Apache OpenWhisk is an open source serverless cloud platform |
2025-08-18T02:47:38Z |
| 19 |
XiangShan |
6558 |
797 |
Scala |
113 |
Open-source high-performance RISC-V processor |
2025-08-18T02:52:56Z |
| 20 |
scala3 |
6091 |
1108 |
Scala |
1663 |
The Scala 3 compiler, also known as Dotty. |
2025-08-17T12:19:01Z |
| 21 |
frontend |
5871 |
561 |
Scala |
118 |
The Guardian DotCom. |
2025-08-15T18:50:45Z |
| 22 |
fpinscala |
5708 |
3029 |
Scala |
80 |
Code, exercises, answers, and hints to go along with the book “Functional Programming in Scala” |
2024-12-11T18:19:58Z |
| 23 |
cats |
5348 |
1227 |
Scala |
211 |
Lightweight, modular, and extensible library for functional programming. |
2025-08-11T16:25:51Z |
| 24 |
linkerd |
5336 |
505 |
Scala |
135 |
Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x. |
2023-03-04T18:59:40Z |
| 25 |
SynapseML |
5158 |
851 |
Scala |
346 |
Simple and Distributed Machine Learning |
2025-08-14T16:37:18Z |
| 26 |
sbt |
4856 |
950 |
Scala |
793 |
sbt, the interactive build tool |
2025-08-17T16:09:45Z |
| 27 |
aerosolve |
4795 |
565 |
Scala |
6 |
A machine learning package built for humans. |
2025-07-14T20:56:10Z |
| 28 |
scalaz |
4670 |
702 |
Scala |
124 |
Principled Functional Programming in Scala |
2025-08-11T21:45:59Z |
| 29 |
scala-js |
4657 |
396 |
Scala |
42 |
Scala.js, the Scala to JavaScript compiler |
2025-08-17T23:43:13Z |
| 30 |
scala-native |
4602 |
383 |
Scala |
292 |
Your favorite language gets closer to bare metal. |
2025-08-13T21:32:55Z |
| 31 |
chronos |
4387 |
524 |
Scala |
210 |
Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules |
2022-06-29T19:43:36Z |
| 32 |
chisel |
4369 |
636 |
Scala |
342 |
Chisel: A Modern Hardware Design Language |
2025-08-17T11:05:29Z |
| 33 |
zio |
4259 |
1374 |
Scala |
127 |
ZIO — A type-safe, composable library for async and concurrent programming in Scala |
2025-08-18T01:06:56Z |
| 34 |
marathon |
4054 |
837 |
Scala |
27 |
Deploy and manage containers (including Docker) on top of Apache Mesos at scale. |
2022-09-08T05:13:23Z |
| 35 |
spark-nlp |
4026 |
731 |
Scala |
21 |
State of the Art Natural Language Processing |
2025-08-15T06:55:21Z |
| 36 |
diffy |
3829 |
370 |
Scala |
0 |
Find potential bugs in your services with Diffy |
2020-07-01T19:13:06Z |
| 37 |
TheHive |
3794 |
665 |
Scala |
821 |
TheHive: a Scalable, Open Source and Free Security Incident Response Platform |
2025-07-25T13:57:27Z |
| 38 |
scalding |
3521 |
707 |
Scala |
287 |
A Scala API for Cascading |
2023-05-28T19:18:59Z |
| 39 |
rocket-chip |
3517 |
1181 |
Scala |
250 |
Rocket Chip Generator |
2025-05-27T21:05:10Z |
| 40 |
atlas |
3503 |
318 |
Scala |
9 |
In-memory dimensional time series database. |
2025-08-06T21:36:50Z |
| 41 |
CoolplaySpark |
3488 |
1407 |
Scala |
31 |
酷玩 Spark: Spark 源代码解析、Spark 类库等 |
2022-05-18T08:55:54Z |
| 42 |
deequ |
3481 |
565 |
Scala |
141 |
Deequ is a library built on top of Apache Spark for defining “unit tests for data”, which measure data quality in large datasets. |
2025-08-15T17:40:28Z |
| 43 |
breeze |
3457 |
692 |
Scala |
87 |
Breeze is/was a numerical processing library for Scala. |
2024-08-29T06:08:38Z |
| 44 |
shapeless |
3399 |
530 |
Scala |
27 |
Generic programming for Scala |
2025-08-12T15:41:13Z |
| 45 |
flockdb |
3336 |
256 |
Scala |
0 |
A distributed, fault-tolerant graph database |
2017-03-16T23:11:18Z |
| 46 |
shadowsocksr-v2ray-trojan-android |
3220 |
384 |
Scala |
89 |
A simple client for Android |
2024-02-25T00:32:29Z |
| 47 |
Spark-The-Definitive-Guide |
3011 |
2860 |
Scala |
25 |
Spark: The Definitive Guide’s Code Repository |
2020-08-26T08:17:35Z |
| 48 |
spark-jobserver |
2844 |
990 |
Scala |
108 |
REST job server for Apache Spark |
2025-07-08T02:02:19Z |
| 49 |
kestrel |
2765 |
312 |
Scala |
24 |
simple, distributed message queue system (inactive) |
2016-01-22T07:54:28Z |
| 50 |
util |
2718 |
580 |
Scala |
5 |
Wonderful reusable code from Twitter |
2025-08-08T18:10:40Z |
| 51 |
elasticmq |
2712 |
202 |
Scala |
23 |
In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded. |
2025-08-17T00:45:47Z |
| 52 |
node2vec |
2685 |
912 |
Scala |
82 |
None |
2022-07-21T14:37:25Z |
| 53 |
slick |
2664 |
618 |
Scala |
405 |
Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala |
2025-08-17T17:15:39Z |
| 54 |
scalatra |
2651 |
341 |
Scala |
62 |
Tiny Scala high-performance, async web framework, inspired by Sinatra |
2025-08-14T13:29:22Z |
| 55 |
scala-exercises |
2638 |
543 |
Scala |
47 |
The easy way to learn Scala. |
2023-05-16T11:59:48Z |
| 56 |
lagom |
2629 |
630 |
Scala |
446 |
Reactive Microservices for the JVM |
2023-08-14T13:43:48Z |
| 57 |
Ammonite |
2626 |
372 |
Scala |
129 |
Scala Scripting |
2025-08-18T02:12:42Z |
| 58 |
scio |
2609 |
521 |
Scala |
128 |
A Scala API for Apache Beam and Google Cloud Dataflow. |
2025-08-13T20:05:43Z |
| 59 |
http4s |
2587 |
804 |
Scala |
248 |
A minimal, idiomatic Scala interface for HTTP |
2025-08-17T05:52:16Z |
| 60 |
joern |
2564 |
347 |
Scala |
286 |
Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc |
2025-08-17T08:01:55Z |
| 61 |
mill |
2556 |
410 |
Scala |
152 |
Mill is a build tool for Java, Scala and Kotlin: 3-6x faster than Maven or Gradle, less fiddling with plugins, and more easily explorable in your IDE |
2025-08-17T09:02:39Z |
| 62 |
circe |
2519 |
542 |
Scala |
109 |
Yet another JSON library for Scala |
2025-08-15T09:19:07Z |
| 63 |
spray |
2498 |
562 |
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 |
flix |
2445 |
171 |
Scala |
684 |
The Flix Programming Language |
2025-08-17T17:23:41Z |
| 65 |
fs2 |
2411 |
619 |
Scala |
89 |
Compositional, streaming I/O library for Scala |
2025-08-11T12:16:39Z |
| 66 |
SZT-bigdata |
2398 |
617 |
Scala |
1 |
深圳地铁大数据客流分析系统🚇🚄🌟 |
2024-05-16T17:20:29Z |
| 67 |
algebird |
2295 |
347 |
Scala |
73 |
Abstract Algebra for Scala |
2025-08-12T11:48:37Z |
| 68 |
finatra |
2269 |
406 |
Scala |
15 |
Fast, testable, Scala services built on TwitterServer and Finagle |
2025-04-21T03:10:58Z |
| 69 |
TransmogrifAI |
2266 |
398 |
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 |
| 70 |
gizzard |
2246 |
208 |
Scala |
0 |
[Archived] A flexible sharding framework for creating eventually-consistent distributed datastores |
2017-03-16T23:21:54Z |
| 71 |
s3_website |
2240 |
184 |
Scala |
70 |
Manage an S3 website: sync, deliver via CloudFront, benefit from advanced S3 website features. |
2023-03-23T05:42:25Z |
| 72 |
kyuubi |
2232 |
955 |
Scala |
459 |
Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses. |
2025-08-15T06:22:00Z |
| 73 |
metals |
2232 |
383 |
Scala |
265 |
Scala language server with rich IDE features 🚀 |
2025-08-18T01:25:54Z |
| 74 |
doobie |
2195 |
371 |
Scala |
124 |
Functional JDBC layer for Scala. |
2025-08-13T08:56:48Z |
| 75 |
zio-quill |
2164 |
350 |
Scala |
289 |
Compile-time Language Integrated Queries for Scala |
2025-08-18T03:22:10Z |
| 76 |
cats-effect |
2155 |
557 |
Scala |
189 |
The pure asynchronous runtime for Scala |
2025-08-15T17:10:00Z |
| 77 |
metarank |
2147 |
96 |
Scala |
89 |
A low code Machine Learning personalized ranking service for articles, listings, search results, recommendations that boosts user engagement. A friendly Learn-to-Rank engine |
2025-06-27T17:38:37Z |
| 78 |
summingbird |
2131 |
267 |
Scala |
148 |
Streaming MapReduce with Scalding and Storm |
2022-01-19T17:31:02Z |
| 79 |
scaloid |
2092 |
161 |
Scala |
17 |
Scaloid makes your Android code easy to understand and maintain. |
2024-06-13T04:46:50Z |
| 80 |
coursier |
2089 |
320 |
Scala |
399 |
Pure Scala Artifact Fetching |
2025-08-17T18:52:34Z |
| 81 |
textteaser |
1979 |
252 |
Scala |
6 |
TextTeaser is an automatic summarization algorithm. |
2018-02-07T06:42:57Z |
| 82 |
sangria |
1961 |
221 |
Scala |
51 |
Scala GraphQL implementation |
2025-08-13T14:04:56Z |
| 83 |
riscv-boom |
1955 |
462 |
Scala |
117 |
SonicBOOM: The Berkeley Out-of-Order Machine |
2025-05-06T02:48:45Z |
| 84 |
scalacheck |
1949 |
405 |
Scala |
55 |
Property-based testing for Scala |
2025-08-17T16:08:40Z |
| 85 |
cassandra-spark-connector |
1947 |
928 |
Scala |
0 |
Apache Spark to Apache Cassandra connector |
2025-04-29T09:28:59Z |
| 86 |
monix |
1935 |
243 |
Scala |
86 |
Asynchronous, Reactive Programming for Scala and Scala.js. |
2024-08-12T23:48:38Z |
| 87 |
chipyard |
1930 |
736 |
Scala |
148 |
An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more |
2025-08-18T00:20:52Z |
| 88 |
Vale |
1914 |
55 |
Scala |
241 |
Compiler for the Vale programming language - http://vale.dev/ |
2024-05-14T13:00:21Z |
| 89 |
feathr |
1906 |
235 |
Scala |
142 |
Feathr – A scalable, unified data and AI engineering platform for enterprise |
2024-04-04T19:17:41Z |
| 90 |
byzer-lang |
1851 |
547 |
Scala |
112 |
Byzer (former MLSQL): A low-code open-source programming language for data pipeline, analytics and AI. |
2024-05-29T08:24:09Z |
| 91 |
SpinalHDL |
1838 |
358 |
Scala |
148 |
Scala based HDL |
2025-08-15T10:35:10Z |
| 92 |
spire |
1772 |
244 |
Scala |
133 |
Powerful new number types and numeric abstractions for Scala. |
2025-06-07T04:13:00Z |
| 93 |
graphcool-framework |
1766 |
129 |
Scala |
498 |
None |
2020-09-04T16:57:58Z |
| 94 |
giter8 |
1748 |
225 |
Scala |
50 |
a command line tool to apply templates defined on GitHub |
2025-08-12T21:22:24Z |
| 95 |
refined |
1724 |
152 |
Scala |
63 |
Refinement types for Scala |
2025-08-12T13:33:21Z |
| 96 |
Monocle |
1679 |
203 |
Scala |
51 |
Optics library for Scala |
2025-08-12T21:19:27Z |
| 97 |
OpenComputers |
1669 |
457 |
Scala |
128 |
Home of the OpenComputers mod for Minecraft. |
2025-08-10T19:02:03Z |
| 98 |
scalajs-react |
1651 |
233 |
Scala |
25 |
Facebook’s React on Scala.JS |
2025-08-12T05:57:48Z |
| 99 |
elastic4s |
1638 |
689 |
Scala |
8 |
🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client |
2025-08-16T18:45:52Z |
| 100 |
OBP-API |
1625 |
448 |
Scala |
192 |
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. |
2025-08-15T11:52:38Z |