WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
Timetaco - Create your own countdowns, as easy as 3, 2, 1
TreeSize - TreeSize tells you where precious disk space has gone to.
Coountdown - 3 2 1 ! Create day counter on menu bar macOS. 🚀
SpaceSniffer - SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.
Days App - A beautiful countdown app to the events that matter to you.