Discord
All-in-one voice and text chat for gamers that's free, secure, and works on both your desktop and phone.
Stop paying for TeamSpeak servers and hassling with Skype. Simplify your life.
Send text messages, voice messages, videos, documents, pictures or group messages and make free phone calls over an end-to-end encrypted connection to keep your communication absolutely safe.
Share photos, videos, music, files, documents and more between all of your devices. File sharing from phone to PC, phone to phone, PC to phone, PC to tablet.
Mobile messenger app with free voice & video call over 3G/4G & Wi-Fi.
Telegram is a messaging app with a focus on security and speed. Messages are heavily encrypted and can self-destruct. You can access your messages from multiple devices.
All-in-one voice and text chat for gamers that's free, secure, and works on both your desktop and phone.
Software bundle from Microsoft containing Mail, Messenger, Movie Maker, Photo Gallery, Writer, Toolbar and Family Safety.
Slack simplifies business communication. It brings all your team's communication together, giving everyone a shared workspace where conversations are organized and accessible.