Glip Alternatives for iPad

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

Trillian is a proprietary multiprotocol instant messaging application.

Redbooth (Teambox) is a web-based and on-premises workplace collaboration tool and communication platform.

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

eXo Platform is an open source, standard-based, Enterprise Social Collaboration Platform.

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.

Whaller allows teams and organizations to create their own internal social networks, meaning no adverts and no data exploitation.

Hibox provides task management, business chat and video calls.

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.

Grape is an REST-like API framework for Ruby. It's designed to run on Rack or complement existing web application frameworks such as Rails and Sinatra by providing a simple DSL to easily develop RESTful APIs.

Huddle is a team collaboration & project management software for enterprise and government.

Dapulse is a smart collaboration and communication app you can use to get your team members working in sync in one place.

buckets.co helps you optimize workflows & collaboration at all levels.

taskblitz is set of tools to collaboratively get your work done including project management, chat, time tracking and invoicing.

Azendoo is a project management & team collaboration platform.