#1 Locally hosted web application that allows you to perform various operations on PDF files

The automation tower defense RTS

Apache Druid: a high performance real-time analytics database.

A Java API for generating .java source files.

Java JsonPath implementation

Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

Thumbnailator - a thumbnail generation library for Java

Shattered Pixel Dungeon is an open-source traditional roguelike dungeon crawler with randomized levels and enemies, and hundreds of items to collect and use. It's based on the source code of Pixel …

Smithy is a protocol-agnostic interface definition language and set of tools for generating clients, servers, and documentation for any programming language.

A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order

JSON to JSON transformation library written in Java.

Diff Utils library is an OpenSource library for performing the comparison / diff operations between texts or some kind of data: computing diffs, applying patches, generating unified diffs or parsin…

JSON Schema validator for java, based on the org.json API

An RFC 6902 (JSON Patch) and reverse, plus RFC 7386 (JSON Merge Patch), implementation in Java using Jackson (2.2.x)

JSON query and transformation language

This is an implementation of RFC 6902 JSON Patch written in Java

Apache Commons Imaging (previously Sanselan) is a pure-Java image library

A streaming JsonPath processor in Java

Make your GraphQL Java application schema-driven.

The tus client for Java.

Java library for inferring JSON schema from sample JSONs

Open Source Java version of JSONata

Keyset/Seek pagination with Springs repository pattern