ueli - This is a keystroke launcher for Windows and macOS.
WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
Wox - An effective launcher for windows. A full-featured launcher, access programs and web contents as you type. Be more productive ever since. Wox is free for use and open-sourced at Github, Try it now! Download .
TreeSize - TreeSize tells you where precious disk space has gone to.
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
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.