jOOλ - The Missing Parts in Java 8 jOOλ improves the JDK libraries in areas where the Expert Group's focus was elsewhere. It adds tuple support, function support, and a lot of additional functionality around sequential Streams. The JDK 8's main efforts (default methods, lambdas, and the Stream API) were focused around maintaining backwards compatibility and implementing a functional API for parallelism.
Adds useful client-side commands
SonarQube C++ Community plugin (cxx plugin): This plugin adds C++ support to SonarQube with the focus on integration of existing C++ tools.
Minecraft mod that adds over 50 new biomes to the game.
📥 Adds a download task to Gradle that displays progress information
Extension for Jackson JSON processor that adds support for serializing POJOs as XML (and deserializing from XML) as an alternative to JSON
A client-side Minecraft mod that adds various "tweaks" (= usually small-ish individual features)
A Litematica addon that adds Git-backed version control for Minecraft builds, with in-game commits, branches, merging, restores, remotes, diff viewing, and inventory-aware change tracking.
Mini decentralised auth. Gives an existing auth system a key nobody holds, with governance over who can decrypt.
A zero-dependency embedded Java record store that adds asynchronous persistence, SQL-like querying, and shared-nothing clustering to the familiar ConcurrentHashMap API.
A Minecraft mod that adds the realistic waters and sands from Blender animations!