Areca Backup is an Open Source personal backup solution

Linux Desktop Application for the Logitech Spotlight device (and similar devices) - Digital Laser Pointer

Packages that I could not find anywhere else.

Jmol is an open-source Java viewer for chemical structures in 3D with features for chemicals, crystals, materials and biomolecules.

XMakemol is a mouse-based program, written using the LessTif widget set, for viewing and manipulating atomic and other chemical systems. It reads XYZ input and renders atoms, bonds and hydrogen bonds.

Build for Leap and further OS...

Applications updated or additional to the main repositories

Build of https://packages.x2go.org/opensuse/DISTRO/main and if required ../heuler

This provides the Signal-Desktop app.

Signal Desktop is an Electron application that links with your Signal Android
or Signal iOS app.