Current Version:
Version 0.4.5.8: Install

An unstable version 0.5 RC3 for multiple Yesss accounts is available on this page and ready for being tested.

An alternative version not using Mozilla/Firefox an be found on this page.

Instructions:
  1. Go to the Yesss "Kontomanager"
  2. Enter your phone number and the password and store it in Mozilla's/Firefox's password manager
  3. Install the Checkyesss extension (see link above)
  4. Restart Mozilla/Firefox

Versions History:

* ... comment
+ ... new feature
! ... error correction