The core runtime of Apache Felix, an OSGi framework implementation for modular Java applications.

Implementation for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage generation. It has a plugin architecture that makes it extensible and supports asynchronous logging based on LMAX Disruptor.

ScalaTest is a flexible and popular testing tool in the Scala ecosystem. It can be used to test Scala, Scala.js, Scala Native, Dotty (Scala 3), and Java code.

Caffeine is a high performance, near optimal caching library. It provides an in-memory cache using a Google Guava inspired API.

API for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage generation. It has a plugin architecture that makes it extensible and supports asynchronous logging based on LMAX Disruptor.

HikariCP is a 'zero-overhead' production ready JDBC connection pool.

Apache Commons Compress defines an API for working with compression and archive formats. These include bzip2, gzip, pack200, LZMA, XZ, Snappy, traditional Unix Compress, DEFLATE, DEFLATE64, LZ4, Brotli, Zstandard and ar, cpio, jar, tar, zip, dump, ...

Support for reading and writing YAML-encoded data via Jackson abstractions.

The Apache Log4j 1.x Compatibility API

Guice is a lightweight dependency injection framework for Java 8 and above, developed by Google.

A high performance caching library