ZXing ("Zebra Crossing") barcode scanning library for Java, Android

OpenRefine is a free, open source power tool for working with messy data and improving it

Zotero plugin to manage your attachments: automatically rename, move, and attach PDFs (or other files) to Zotero items, sync PDFs from your Zotero library to your (mobile) PDF reader (e.g. an iPad,…

Termux add-on app which exposes device functionality as API to command line programs.

Protege Desktop

ditaa is a small command-line utility that can convert diagrams drawn using ascii art ('drawings' that contain characters that resemble lines like | / - ), into proper bitmap graphics.

An implementation of MobileOrg for the Android platform

An implementation of MobileOrg for the Android platform

Ted is a text editor for Android, written in java

A Java bibtex parser that serialises bibtex entries into a triplestore using the Sesame framework.