Design patterns implemented in Java

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

Telegram for Android source

Open Source Identity and Access Management For Modern Applications and Services

IntelliJ IDEA Community Edition & IntelliJ Platform

The ZAP by Checkmarx Core project

PocketHub Android App

Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

Gephi - The Open Graph Viz Platform

Password manager app for Android

signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.

OpenKeychain is an OpenPGP implementation for Android.

XPrivacy - The ultimate, yet easy to use, privacy manager

Awesome Procedures On Cypher for Neo4j - codenamed "apoc"                     If you like it, please ★ above ⇧            

an open source solution to application performance monitoring for java server applications

KeePass implementation for android

Efficient Graph Algorithms for Neo4j

DavMail POP/IMAP/SMTP/Caldav/Carddav/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at

A robust parser for C/C++ storing abstract syntax trees, control flow graphs and program dependence graphs in a neo4j graph database.

SW360 project

A CONIKS implementation in Java

A Spotify library for Java. Heavily based on the work of the despotify team @ despotify.se

The official Android App of the faculty 07 of the University of Applied Sciences Munich

Fork of Felix Bruns Jotify containing an ant based build system and some minor fixes.

REST interface for several services

Spotify client in Java, originally written by Felix Bruns (original repo now defunct)

As part of the course Software Development II at the University of Applied Sciences Munich, the game Dominion was developed with Java 8.