Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.

Public - Group chats.

Quake - Quake is a series of first-person shooter video games released by id Software.

Chalk - Chalk is a calculator that tries to do right what others do wrong.

Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.

Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.