πŸ‡©πŸ‡ͺ Made in Germany

Discover Germany's Leading Open Source Projects: Explore top-notch open source initiatives hailing from the vibrant tech community of Germany.

TOP Scala Projects

1
fthomas/refined

fthomas/refined

Refinement types for Scala
Scala
1,657
star
2
OpenBankProject/OBP-API

OpenBankProject/OBP-API

An open source RESTful API platform for banks that supports Open Banking, XS2A and PSD2 through access to accounts, transactions, counterparties, payments, entitlements and metadata - plus a host of internal banking and management APIs.
Scala
1,535
star
3
JetBrains/intellij-scala

JetBrains/intellij-scala

Scala plugin for IntelliJ IDEA
Scala
1,192
star
4
scala-steward-org/scala-steward

scala-steward-org/scala-steward

πŸ€– A bot that helps you keep your projects up-to-date
Scala
1,120
star
5
fehmicansaglam/progressed.io

fehmicansaglam/progressed.io

progressbar microservice
Scala
776
star
6
rtimush/sbt-updates

rtimush/sbt-updates

sbt plugin that can check Maven and Ivy repositories for dependency updates
Scala
758
star
7
etorreborre/specs2

etorreborre/specs2

Software Specifications for Scala
Scala
733
star
8
sirthias/parboiled2

sirthias/parboiled2

A macro-based PEG parser generator for Scala 2.10+
Scala
714
star
9
hseeberger/akka-http-json

hseeberger/akka-http-json

Integrate some of the best JSON libs in Scala with Akka HTTP
Scala
587
star
10
mpollmeier/gremlin-scala

mpollmeier/gremlin-scala

[unmaintained] Scala wrapper for Apache TinkerPop 3 Graph DSL
Scala
482
star
11
nightscape/spark-excel

nightscape/spark-excel

A Spark plugin for reading and writing Excel files
Scala
464
star
12
slouc/concurrency-in-scala-with-ce

slouc/concurrency-in-scala-with-ce

Introduction to concepts of asynchronous and concurrent programming in Scala, based on the Cats Effect library.
Scala
452
star
13
propensive/fury-old

propensive/fury-old

A new build tool for JVM languages
Scala
413
star
14
matthiasn/sse-chat

matthiasn/sse-chat

Chat example app using Server Sent Events plus REST calls. Scala, Play Framework 2.3, AngularJS or React (alternatively).
Scala
384
star
15
tek/splain

tek/splain

better implicit errors for scala
Scala
370
star
16
jrudolph/pekko-http-scala-js-websocket-chat

jrudolph/pekko-http-scala-js-websocket-chat

An example app that integrates pekko-http and scala-js to implement a websocket chat
Scala
342
star
17
riy/degraph

riy/degraph

Test and Visualize and Manage Dependencies of classes and packages in JVM Byte Code (think Scala and Java)
Scala
311
star
18
fthomas/crjdt

fthomas/crjdt

A conflict-free replicated JSON datatype (CRDT) in Scala
Scala
293
star
19
getclump/clump

getclump/clump

A library for expressive and efficient service composition
Scala
257
star
20
mschuwalow/zio-todo-backend

mschuwalow/zio-todo-backend

Todo-Backend (https://www.todobackend.com/) implementation using ZIO, http4s, doobie and circe
Scala
255
star
21
albuch/sbt-dependency-check

albuch/sbt-dependency-check

SBT Plugin for OWASP DependencyCheck. Monitor your dependencies and report if there are any publicly known vulnerabilities (e.g. CVEs). 🌈
Scala
253
star
22
propensive/contextual

propensive/contextual

Statically-checked string interpolation in Scala
Scala
245
star
23
jrudolph/json-lenses

jrudolph/json-lenses

A library to query and update JSON data in Scala.
Scala
241
star
24
dataArtisans/flink-streaming-demo

dataArtisans/flink-streaming-demo

Scala
239
star
25
muuki88/sbt-native-packager-examples

muuki88/sbt-native-packager-examples

A set of sbt-native-pakager examples
Scala
236
star
26
sirthias/scala-ssh

sirthias/scala-ssh

Remote shell access via SSH for your Scala applications
Scala
233
star
27
agourlay/cornichon

agourlay/cornichon

Testing tool in Scala for HTTP JSON API
Scala
226
star
28
FRosner/drunken-data-quality

FRosner/drunken-data-quality

Spark package for checking data quality
Scala
222
star
29
sirthias/borer

sirthias/borer

Efficient CBOR and JSON (de)serialization in Scala
Scala
220
star
30
FaKod/neo4j-scala

FaKod/neo4j-scala

Scala wrapper for Neo4j Graph Database
Scala
220
star
31
hseeberger/constructr

hseeberger/constructr

Coordinated (etcd, ...) cluster construction for dynamic (cloud, containers) environments
Scala
214
star
32
skrusche63/spark-elastic

skrusche63/spark-elastic

This project combines Apache Spark and Elasticsearch to enable mining & prediction for Elasticsearch.
Scala
206
star
33
travisbrown/iteratee

travisbrown/iteratee

Iteratees for Cats
Scala
184
star
34
propensive/rapture

propensive/rapture

Rapture
Scala
183
star
35
jcranky/lojinha

jcranky/lojinha

A small store application, developed using Play 2 and Akka 2. At least temporary archived, get in touch if you want to contribute and I'll gladly un-archive it.
Scala
183
star
36
hseeberger/akka-sse

hseeberger/akka-sse

Akka HTTP now includes Akka SSE, this project is at EOL
Scala
181
star
37
soundcloud/cosine-lsh-join-spark

soundcloud/cosine-lsh-join-spark

Approximate Nearest Neighbors in Spark
Scala
175
star
38
sirthias/swave

sirthias/swave

A lightweight Reactive Streams Infrastructure Toolkit for Scala.
Scala
171
star
39
makingthematrix/scalaonandroid

makingthematrix/scalaonandroid

A tutorial and examples of how to write Android apps in Scala 2.13 and Scala 3.
Scala
168
star
40
mariussoutier/PlayBasics

mariussoutier/PlayBasics

Example code for my tutorial series about Play Framework 2.x
Scala
164
star
41
fthomas/singleton-ops

fthomas/singleton-ops

Operations for primitive and String singleton types
Scala
163
star
42
propensive/kaleidoscope

propensive/kaleidoscope

Statically-checked inline matching on regular expressions in Scala
Scala
161
star
43
pheymann/typedapi

pheymann/typedapi

Build your web API on the type level.
Scala
161
star
44
stoerr/GrokConstructor

stoerr/GrokConstructor

Semi-automatic incremental construction and debugging of regular expressions for grok to parse logfiles for logstash http://logstash.net/ . Deployed at http://grokconstructor.appspot.com/ .
Scala
159
star
45
maxpumperla/ScalphaGoZero

maxpumperla/ScalphaGoZero

An independent implementation of DeepMind's AlphaGoZero in Scala, using Deeplearning4J (DL4J)
Scala
156
star
46
helgeho/ArchiveSpark

helgeho/ArchiveSpark

An Apache Spark framework for easy data processing, extraction as well as derivation for web archives and archival collections, developed at Internet Archive.
Scala
143
star
47
b-studios/scala-effekt

b-studios/scala-effekt

Extensible algebraic effects with handlers
Scala
138
star
48
yannick-cw/notionfy

yannick-cw/notionfy

Syncing kindle highlights to notion
Scala
138
star
49
sief/play-guard

sief/play-guard

Play2 module for rate limiting, based on token bucket algorithm
Scala
131
star
50
s12v/sns

s12v/sns

Fake Amazon SNS
Scala
126
star
51
camunda/feel-scala

camunda/feel-scala

FEEL parser and interpreter written in Scala
Scala
124
star
52
fthomas/fs2-cron

fthomas/fs2-cron

FS2 streams based on cron expressions
Scala
121
star
53
SAP/kafka-connect-sap

SAP/kafka-connect-sap

Kafka Connect SAP is a set of connectors, using the Apache Kafka Connect framework for reliably connecting Kafka with SAP systems
Scala
121
star
54
schmitch/sbt-jib

schmitch/sbt-jib

sbt version of sbt jib: https://github.com/GoogleContainerTools/jib
Scala
117
star
55
scalasummerschool/lectures

scalasummerschool/lectures

Learn Functional Programming in Scala
Scala
115
star
56
inoio/solrs

inoio/solrs

An async, non-blocking solr client for java/scala, providing a query interface like SolrJ
Scala
109
star
57
zenecture/neuroflow

zenecture/neuroflow

Artificial Neural Networks for Scala
Scala
108
star
58
chenkelmann/actuarius

chenkelmann/actuarius

A markdown processor for the JVM written in Scala.
Scala
107
star
59
skrusche63/spark-fm

skrusche63/spark-fm

Reactive Factorization Engine
Scala
105
star
60
JetBrains/sbt-idea-plugin

JetBrains/sbt-idea-plugin

Develop IntelliJ plugins with Scala and SBT
Scala
98
star
61
zalando-stups/play-swagger

zalando-stups/play-swagger

Provides Swagger support for the Play-Framework
Scala
97
star
62
ottogroup/schedoscope

ottogroup/schedoscope

Schedoscope is a scheduling framework for painfree agile development, testing, (re)loading, and monitoring of your datahub, lake, or whatever you choose to call your Hadoop data warehouse these days.
Scala
96
star
63
muuki88/sbt-graphql

muuki88/sbt-graphql

SBT plugin to generate and validate graphql schemas written with Sangria
Scala
95
star
64
JetBrains/intellij-scala-bundle

JetBrains/intellij-scala-bundle

IntelliJ Scala Bundle - get started with Scala in a single click!
Scala
95
star
65
cornerman/sloth

cornerman/sloth

Type safe RPC in scala
Scala
94
star
66
tonyskn/coursera-scala

tonyskn/coursera-scala

My solutions to Coursera's "Functional Programming in Scala"
Scala
93
star
67
Starofall/S3HyperSync

Starofall/S3HyperSync

S3HyperSync is a high-performance, memory-efficient, and cost-effective tool for synchronizing files between S3-compatible storage services.
Scala
91
star
68
w11k/scalamodules

w11k/scalamodules

ScalaModules is an elegant and intuitive domain specific language for OSGi development written in the Scala programming language.
Scala
91
star
69
sirthias/scala-benchmarking-template

sirthias/scala-benchmarking-template

SBT template project for creating Scala (micro-)benchmarks based on Caliper
Scala
89
star
70
dimajix/flowman

dimajix/flowman

Flowman is an ETL framework powered by Apache Spark. With its declarative approach, Flowman simplifies the development of complex data pipelines.
Scala
89
star
71
jokade/angulate2

jokade/angulate2

Scala.js bindings for Angular
Scala
87
star
72
jrudolph/sbt-optimizer

jrudolph/sbt-optimizer

An sbt plugin to analyze sbt task execution
Scala
87
star
73
omearac/reactive-kafka-microservice-template

omearac/reactive-kafka-microservice-template

An example of a microservice template which uses akka/reactive-kafka to stream JSON messages
Scala
86
star
74
travisbrown/type-provider-examples

travisbrown/type-provider-examples

Macro-based type providers for Scala (examples)
Scala
85
star
75
mdedetrich/soda-time

mdedetrich/soda-time

Scala/Scala.js port of JodaTime to Scala/Scala.js
Scala
84
star
76
w11k/slf4s

w11k/slf4s

Simple Scala facade for SLF4J
Scala
82
star
77
JetBrains/intellij-sbt

JetBrains/intellij-sbt

SBT support in IntelliJ IDEA
Scala
81
star
78
fehmicansaglam/tepkin

fehmicansaglam/tepkin

Reactive MongoDB Driver for Scala
Scala
80
star
79
hseeberger/reactive-flows

hseeberger/reactive-flows

Reactive web app with Akka and AngularJS
Scala
80
star
80
lucidd/scala-js-chrome

lucidd/scala-js-chrome

ScalaJS bindings for Chrome Extention/App and ChromeOS APIs
Scala
79
star
81
SteffenReith/J1Sc

SteffenReith/J1Sc

A reimplementation of a tiny stack CPU
Scala
77
star
82
dwestheide/kontextfrei

dwestheide/kontextfrei

Writing application logic for Spark jobs that can be unit-tested without a SparkContext
Scala
75
star
83
LS-Lab/KeYmaeraX-release

LS-Lab/KeYmaeraX-release

KeYmaera X: An aXiomatic Tactical Theorem Prover for Hybrid Systems (release)
Scala
75
star
84
jrudolph/speed

jrudolph/speed

Looping like a pro
Scala
75
star
85
musk/SbtEclipsify

musk/SbtEclipsify

Sbt plugin for creating eclipse project and classpath files for sbt projects [DEPRECATED]
Scala
74
star
86
soundcloud/spark-pagerank

soundcloud/spark-pagerank

PageRank in Spark
Scala
74
star
87
goldmar/bitcoin-akka

goldmar/bitcoin-akka

a client to btcwallet, written in Scala and built on akka
Scala
72
star
88
AmailP/robot-plugin

AmailP/robot-plugin

Robot Framework support plugin for IntelliJ Idea
Scala
72
star
89
JetBrains/sbt-structure

JetBrains/sbt-structure

SBT plugin to collect information about project structure
Scala
71
star
90
agourlay/omnibus

agourlay/omnibus

An HTTP-friendly persistent message bus.
Scala
70
star
91
StephanEwen/flink-demos

StephanEwen/flink-demos

Scala
69
star
92
jrudolph/llama2.scala

jrudolph/llama2.scala

Inference Llama 2 in Scala with AVX2 kernels in C (A port of llama2.c from Andrej Karpathy)
Scala
68
star
93
usommerl/graalnative4s

usommerl/graalnative4s

Employ Scala for serverless applications
Scala
68
star
94
UniFormal/MMT

UniFormal/MMT

The MMT Language and System
Scala
68
star
95
mpollmeier/gremlin-scala-examples

mpollmeier/gremlin-scala-examples

Examples for different graph dbs
Scala
67
star
96
Hermsi1337/docker-compose

Hermsi1337/docker-compose

Collection of my docker-compose.yml files
Scala
67
star
97
justwrote/scala-faker

justwrote/scala-faker

A library for generating fake data written in scala.
Scala
67
star
98
jrudolph/scala-world-2015

jrudolph/scala-world-2015

Source code for the scala.world 2015 talk about akka-stream / akka-http
Scala
66
star
99
dozed/fink

dozed/fink

fink -- a scala based cms
Scala
66
star
100
sirthias/macrolizer

sirthias/macrolizer

Tiny Scala library for targeted macro debugging by logging properly formatted expansions at compile time
Scala
65
star