Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
andOTP - andOTP is a two-factor authentication App for Android 4.4+
Obsidian.net - Obsidian is an Action-Adventure, First-person Exploration, Puzzle and Single-player video game created and published by Rocket Science.
Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.