1. Hangouts bring conversations to life with photos, emoji, and even group video calls for free. Connect with friends across computers, Android, and Apple devices.

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

  3. Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

  4. WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.

  5. Facebook Messenger is a faster way to message.

  6. Fast, simple & secure messaging. Privacy that fits in your pocket.

  7. Private & Secure Messenger

  8. Open-source video calling and chat platform.

  9. Free and secure calls and messages to anyone, anywhere. Keep your conversations going no matter where you are.

  10. Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

  11. Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.

  12. A messaging app for teams who see through the Earth!