Pinentry is a program for secure entry of PINs and passphrases, from the GnuPG project.

Tilde is a text editor for the console/terminal, which provides an intuitive interface for people accustomed to GUI environments such as Gnome, KDE and Windows. For example, the short-cut to copy the current selection is Control-C, and to paste the previously copied text the short-cut Control-V can be used. As another example, the File menu can be accessed by pressing Meta-F.

Smemstat reports the physical memory usage taking into consideration shared memory. The tool can either report a current snapshot of memory usage or periodically dump out any changes in memory.

PHP QR Code is a library for generating QR Codes, 2-dimensional barcodes. It is based on the libqrencode C library and provides an API for creating QR Code barcode images (PNG and JPEG).

µTox is the lightweight client with minimal dependencies; it not only looks pretty, it runs fast! µTox is available for Windows, OS X, and Linux (Android support is experimental), with full support for chat, file transfers, audio/video calling, and desktop sharing (both as video and inline screenshots). It also supports text group chats with audio groups pending the next Toxcore update.