Stars
a fast, scalable, multi-language and extensible build system
JDK main-line development https://openjdk.org/projects/jdk
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
The official home of the Presto distributed SQL query engine for big data
Vert.x is a tool-kit for building reactive applications on the JVM
OpenRefine is a free, open source power tool for working with messy data and improving it
A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin
A programmer-oriented testing framework for Java —
Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc
Statistical Machine Intelligence & Learning Engine
Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.
Apache Pinot - A realtime distributed OLAP datastore
MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID…
Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter
A modern, web-based SSH console and key management tool. Bastillion gives you a clean, browser-based way to manage SSH access across all your systems. Think of it like a bastion host with a friendl…
Java rate limiting library based on token-bucket algorithm.
Cordova Local-Notification Plugin
A high performance replicated log service. (The development is moved to Apache Incubator)
Flexible tool to build planet-scale vector tilesets from OpenStreetMap data fast
TornadoVM: A practical and efficient heterogeneous programming framework for managed languages
Lightweight, fast, Java-centric Lua interpreter written for JME and JSE, with string, table, package, math, io, os, debug, coroutine & luajava libraries, JSR-223 bindings, all metatags, weak tables…
Eclipse Xtext™ is a language development framework