Cost / License
- Free
- Open Source (MIT)
Platforms
- Flatpak
- Linux
- Python

Cryptigo is described as 'S/MIME software - p7mViewer 3.0, Eudora S/MIME and other' and is an app. There are 2 alternatives to Cryptigo for Windows, Linux, Python and Flatpak. The best Cryptigo alternative is P7M Extractor, which is both free and Open Source.

With just a click open one or more .p7m (pkcs#7 signed file) from your PC's browser, decrypts .p7m live and displays the contents of the file. No downtime.
