A handy systems and security-focused tool, Port Authority is a very fast Android port scanner. Port Authority also allows you to quickly discover hosts on your network and will display useful network information about your device and other hosts.
The last Android cleaner you'll ever need!
A simple Java library for handle ODS (Open Document Spreadsheet, compatible with Excel and Libreoffice)
A mod adding compartmental storage for Minecraft Forge
Android application for Internet privacy and security