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

  4. Facebook Messenger is a faster way to message.

  5. Open-source video calling and chat platform.

  6. Private & Secure Messenger

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

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

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

  10. 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.

  11. LINE is a Japanese proprietary application for instant messaging on smartphones and PCs.

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