Groupapp Alternatives

The winning teams and get the job done at the same time, the communication and instant messaging for businesses. It works, so I know where victorious talk Features:Freemium,Mac,Windows,Web,Android,iPhone

Matrix.org open, decentralized chat, VoIP, and multi-communication for a growing ecosystem. The Matrix of the project, as well as the open-source Restful HTTP API defines a standard basic open of servers, clients, and service-the Apache-licensed reference implementations. To synchronize data between multiple goals in real time, the IoT services, for example-style, of course, instant messaging, IRC, chat rooms can be used for calls and audio and video conference/. Features:Free,Open,Source,Mac,Windows,Linux,Web,Android

Same page, a page, you can get all the information about the project and the cooperation with your team in real time The project brings together a complete suite of the same page Features:Freemium,Mac,Windows,Web,Android,iPhone

Talks [AGRICULTURE, OMEMO, or GPG] approved woman easy encryption with Android 4.0+ focused on the protection of privacy for smartphones, open-source XMPP message [Jabber] customers. Features:Free,Open,Source,Android,Android,Tablet

Chat with the people around you are "off the grid, if at all, no internet connection or cell phone reception. Features:Free,Android,iPhone,Android,Tablet,iPad

To bring the whalers and the ability to create custom social networks, they come to life. 1. COMMUNICATION, you can create a sphere, invite people and start a discussion Features:Freemium,Web,Android,iPhone,Windows,Phone,iPad

KakaoTalk users all over the world for FREE a powerful protection-to-one or a group chat, you service a phone number-based messenger. (SMS service) message Features:Freemium,Mac,Windows,Android,iPhone,Blackberry

The team type talk has and advanced, cloud-based application with chat for the team, inspires the cooperation. Key features: Will, @mentions, #of interviews, and keep the boots team Features:Freemium,Mac,Windows,Web,Android,iPhone

Peerio secure messaging platform integrates your cloud storage and keep important files online in a way, from anywhere. Android with encryption Features:Freemium,Open,Source,Mac,Windows,Linux,Android,iPhone

AtomJump.com free, open-source AtomJump.org fine-grained it is in a hosted version. The people, your family, your group or your own group, you are free to catch up with colleagues. There is also an optional application for the notification, but the schedule as it is, there is no download required. PHP or Node JS a plugin system like WordPress to write for anyone really. Features:Free,Open,Source,Mac,Windows,Linux,Android,iPhone

An app that will capture those special moments with the people most important to you in your life. Features:Free,Web,Android,iPhone,iPad

Currently, there are no rights allows you to change your messaging platform to send a message. Absolute privacy with individual control for both batchat Messenger Features:Free,iPhone,iPad

The message-Server and-client-open-source-instant. Three 2.0 3.0 (GPL) pure Android in Java and JavaScript for the client-side connector (Apache license) Features:Free,Open,Source,Web,Android,Self-Hosted

Peach share what you feel, think, see, hear and do—let us live. Peach connects you to your friends can compete with each other so it gives you the freedom and that is the truth Features:Free,iPhone

A-Patch apk no ads, in contrast to surveillance-or back-end functions. (Txt-files), completely open source, so no privacy concerns. The patch is 100% the reason, antiba Features:Free,Android