For bureaucratic reasons, a colleague of mine had to print, sign, scan and send by email a high number of pages. To save trees, ink, time, and to stick it...

OpenSnitch is a GNU/Linux port of the Little Snitch application firewall - evilsocket/opensnitch

High performance, self-hosted newsletter and mailing list manager with a modern dashboard - knadh/listmonk

Open and edit PSD, XCF, Sketch (Photoshop, Gimp and Sketch) or any other image files. Inspect PSD and Sketch files. Convert Sketch to PSD. Apply photo effects and filters. A perfect alternative to Photoshop or Gimp.