GrandPerspective

WinDirStat: Windows Directory Statistics   (Compare Project)

Mostly written in C

License: gpl

NCurses Disk Usage   (Compare Project)

Mostly written in C

License: mit

dircloud   (Compare Project)

Mostly written in Python

License: gpl3_or_later

dust (rust)   (Compare Project)

Mostly written in Rust

License: apache_2

xdiskusage   (Compare Project)

Mostly written in C++

License: gpl

iTunesFS   (Compare Project)

Mostly written in Objective-C

License: BSD-3-Clause

pytagsfs   (Compare Project)

License: gpl

ini2plist   (Compare Project)

License: bsd

Qt Creator   (Compare Project)

Mostly written in C++

License: commercial_license, lgpl

Cyberduck   (Compare Project)

License: gpl