Alternatives to diskspace

Disk utilisation visualiser

Verify system files structure, run miscellaneous maintenance and more

Status monitoring

Disk space visualiser

File system utility used to view and reclaim disk space

Disk space cleaner that finds and deletes duplicated and similar files

Graphically shows disk usage within a file system

Set of CPU, memory, disk, and network monitoring tools

ZFS driver and utilities

Disk space analyzer

Tool to explore all the running tasks (processes)

Displays all open files and sockets in use by all running processes