apache/spark

Apache Spark - A unified analytics engine for large-scale data processing

playframework/playframework

The Community Maintained High Velocity Web Framework For Java and Scala.

twitter/finagle

A fault tolerant, protocol-agnostic RPC system

gatling/gatling

Modern Load Testing as Code

apache/flink

Apache Flink

com-lihaoyi/mill

Your shiny new Java/Scala build tool!

lagom/lagom

Reactive Microservices for the JVM

akka/alpakka-kafka

Alpakka Kafka connector - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.

kamon-io/kamon

Distributed Tracing, Metrics and Context Propagation for applications running on the JVM

joernio/joern

Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc

sscarduzio/elasticsearch-readonlyrest-plugin

Free Elasticsearch security plugin and Kibana security plugin: super-easy Kibana multi-tenancy, Encryption, Authentication, Authorization, Auditing

redislabs/spark-redis

A connector for Spark that allows reading and writing to/from Redis cluster

bigdatagenomics/adam

ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark, and Apache Parquet. Apache 2 licensed.

scalacenter/bloop

Bloop is a build server and CLI tool to compile, test and run Scala fast from any editor or build tool.

cloudstateio/cloudstate

Distributed State Management for Serverless

guardrail-dev/guardrail

Principled code generation from OpenAPI specifications

twitter/scrooge

A Thrift parser/generator

apache/sedona

A cluster computing framework for processing large-scale geospatial data

akka/akka-grpc

Akka gRPC

simerplaha/swaydb

Persistent and in-memory key-value storage engine for JVM that scales on a single machine.