Open-source apps for the Linux desktop and the self-hosted stack.
Small tools, one developer. No telemetry, no accounts, no hosted service; each README says exactly what leaves the machine, and each release is a tag you can read end to end.
Add the APT
Ubuntu 26.04 · amd64 · signed · Helios, XNote, XNote Placement and SnipSnap
curl -fsSL https://apt.globalentry.systems/setup.sh | sudo sh
sudo apt install helios xnote snipsnap