A cross-platform java application for decoding, monitoring, recording and streaming trunked mobile and related radio protocols using Software Defined Radios (SDR). Website:

The JAVE (Java Audio Video Encoder) library is Java wrapper on the ffmpeg project

A simple Java toolkit for JSON. You can use json-simple to encode or decode JSON text.

jPSXdec: cross-platform PlayStation 1 audio and video converter

Decode satellite signals on Raspberry PI or any other 64-bit CPU.

Reference implementation of the JSONx specification for the Java platform, including encoding, decoding, processing, validation, and binding.

A java encoder and decoder for vector tiles according to Mapbox vector tile spec

A simple to use Java 8 JWT Library. Verify, Sign, Encode, Decode all day.

AISmessages is a Java-based light-weight, zero-dependency, and ultra-efficient message decoder for maritime navigation and safety messages compliant with ITU 1371 (NMEA armoured AIS messages). A live demo of AISmessages is available on http://ais.tbsalling.dk.

Java Mapbox Vector Tile Library for Encoding/Decoding

A Java program to decode DMR radio transmissions

ASN1bean (formerly known as jASN1) is a Java ASN.1 BER and DER encoding/decoding library

Tools and libraries that deal with the creation and processing of images.

Mode S and ADS-B decoding library for Java

BrotliHaxe - hand ported decoder & encoder in haxe => JavaScript, PHP, Python, Java, C# (Project dev: 2013-2015 release: 2017)

Java AMBE/IMBE audio decoder

FLAC decoder library in Java.

QR Code decoding library written in Java

Extensible BSON encoder/decoder library written in Java with pluggable Java-to-BSON type mappings.

Software radio decoding