This is the snap for Wire, "Secure and private chat with end-to-end encryption". It works on Ubuntu, Fedora, Debian, and other major Linux distributions.
sudo snap install wire
snap connect wire:camera core:camera
snap connect wire:mount-observe core:mount-observe
snap connect wire:password-manager-service
Published for 
Snapcrafters (join us) are working to land snap install documentation and the snapcraft.yaml upstream so Wire can authoritatively publish future releases. If you have any questions, post in the Snapcraft forum.