7-Zip
Igor Pavlov
File archiver with high-ratio 7z compression and support for dozens of archive formats.
LGPL-2.1-or-laterWindows · Linux
No known warnings · checked 9 Nov 2026
calibre
Kovid Goyal
FREEGPL-3.0-only
Ebook library manager that converts between formats and sends books straight to a connected reader.
Links go to the official site. SoftHarbor hosts no downloads.
At a glance
- Developer
- Kovid Goyal
- Platforms
- Windows · macOS · Linux
- License
- GPL-3.0-only
- Tags
- ebooks · conversion · metadata · library
- Security
- No known warnings · checked 23 Oct 2026 · View scan
- Added
- 28 Jul 2026
More in File Management
FREE
Cryptomator
Skymatic GmbH
Encrypts a folder file by file before it reaches cloud storage, so sync keeps working per changed file.
GPL-3.0-onlyWindows · macOS · Linux
No known warnings · checked 23 Oct 2026
Cyberduck
iterate GmbH
Browser for remote storage, connecting to SFTP, WebDAV, S3 and consumer cloud drives in one window.
GPL-3.0-onlyWindows · macOS
No known warnings · checked 23 Oct 2026
Czkawka
Rafał Mikrut
Finds duplicate files, similar images and empty folders, then lets you review before deleting anything.
MITWindows · macOS · Linux
No known warnings · checked 23 Oct 2026