Zulip Alternatives for iPad

Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.

Hangouts is an instant messaging software developed by Google.

Telegram is a free cloud-based instant messaging platform.

Trillian is a proprietary multiprotocol instant messaging application.

Viber Free Messenger and Phone Calls.

Imo free video calls and chat is a kind of Communication apps for Android.

Facebook Messenger is the official Facebook app that lets you have text conversations with all of your friends on the popular social network.

Glip is fully searchable, real-time group chat; video chat, task management, file sharing app.

LINE is a new communication app which allows you to make free voice calls and send free messages whenever and wherever you are.

Mattermost is an open source, private cloud Slack-alternative, Workplace messaging for web, PCs and phones. MIT-licensed.

Wire is a cross-platform, encrypted instant messaging client created by Wire Swiss. It is available for iOS, Android, Linux, Windows, macOS and Web browser clients.

ICQ is an open source instant messaging software.

WeChat is a social media with instant messaging, commerce and payment services application.

ChatSecure is a messaging application for iOS which allows OTR and OMEMO encryption for the XMPP protocol.

Threema is an encrypted instant messaging application for iOS, Android and Windows Phone.

Voxeet is VoIP web conferencing software that uses 3D high definition voice technology to produce immersive sound.

Matrix is an open protocol for real-time communication. It is designed to allow users with accounts at one communications service provider to communicate with users of a different service provider via online chat, Voice over IP, and Videotelephony.

Tango is the messaging app with the best video calling. All messages and calls are free.

BlackBerry Messenger, also known as BBM is an instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice calls between BlackBerry, iOS, Android, and Windows Mobile users.

TribeScale is an All-in-One platform to coordinate your team around what really matters - communication, goals, decisions, tasks and results.

Flock is a communication app for teams. Packed with tons of productivity features, Flock drives efficiency and boosts speed of execution.

Sicher is a freeware instant messaging application for iOS, Android, and Windows Phone. Sicher allows users to exchange end-to-end encrypted text messages, media files and documents in both private and group chats.

Tencent QQ (QQ) is an instant messaging software service.

Talkatone is a free calling app.

Wickr is an instant messenger application.

MySMS is a family of applications helps you text anywhere and enhances your messaging experience on your smartphone, tablet and computer.