Similar to Signal_(メッセージングアプリ)

Signal (software)

Jami (software)

Signal Protocol

Tuta (email)

Wire (software)

Proton Mail

WhatsApp

Enigmail

Proton VPN

COVID-19 apps

Abaqus

BlueJ

Couchbase Server

InnoDB

Miro (video software)

Mumble (software)

Microsoft Edge (series of web browsers)

Element (software)

Google Meet

Liferay

Telegram (platform)

Bitmessage

Cryptomator

CrypTool

FileVault

GNUnet