Simple Poll - The easiest way to create polls in Slack
WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
GitHub Polls - Polls for GitHub issues and readme
TreeSize - TreeSize tells you where precious disk space has gone to.
minipoll - Create simple shareable polls in seconds
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.