"SUID program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces and seccomp-bpf. It allows a process and all its descendants to have their own private view of the globally shared kernel resources, such as the network stack, process table, mount table." (ib., 2019-07-16)
Cf. https://wiki.archlinux.org/index.php/Firejail
Free, open source tools to preserve privacy
"Graphical application for generating different color variations of a Oomox (Numix-based), Materia and Arc themes (GTK2, GTK3), Gnome-Colors and Archdroid icons and terminal" (ibd., 2018-10-21)
"CoreFreq is a CPU monitoring software designed for the 64-bits Processors."
"client only bidirectional file synchronizer", used by ownCloud/Nextcloud
"Proprietary peer-to-peer file synchronization tool available for Windows, Mac, Linux, Android, iOS, (...). It can sync files between devices on a local network, or between remote devices over the Internet via a modified version of the BitTorrent protocol." (Wikipedia, 2018-01-21)
"Linux-enabled laptops and desktops"
Previously at https://wiki.gnome.org/Apps/LaTeXila (accessed 2017-03-07)
"animation software for both bitmap and vector graphics"
See also https://github.com/pencil2d/pencil