Organize your messaging services like WhatsApp, FB Messenger, Telegram.
Make international Voip calls.
Send messages and make audio and video calls from your Mac.
(OE) email client/newsreader
Communicate with other players via voice chat while playing games.
Verify single or multiple email addresses.
Place phone calls through your iPhone from your computer.
Delete all the cookies but the ones that you want to keep.
Make your e-mail signatures stylish.
Mailsum gives you insight in your email behavior.
Customize email for each person on a mailing list.
Very light and simple VoIP SIP client.
