This is apt repository for Enpass password manager.

To install Enpass, add new repository to /etc/apt/sources.list:

$ sudo -i
$ echo "deb https://apt.enpass.io/ stable main" > \
  /etc/apt/sources.list.d/enpass.list

And import key that is used to sign the release:

$ wget -O - https://apt.enpass.io/keys/enpass-linux.key | apt-key add -

After that you can install Enpass as any other software package:

$ apt-get update
$ apt-get install enpass
$ exit