Chats

Chat for distributed teams. Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.

Open Source

A messaging app for teams who see through the Earth!

Mattermost is an open source alternative to Slack.

Open Source

Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.

Open Source

Brosix will improve the efficiency and decrease the expenses of your business by providing you all-in-one features package and many control functions.

freemium $4.0 / Annually (Private Team Network, Full Control over user accounts)

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

Open Source

AstraChat is a reliable mobile & desktop cross platform chat and communication solution that allows you to exchange information and data securely in real time.

Personalized financial planning for everyone

World's Most Scalable Voice, Video & Chat SDK for Small, Medium & Enterprises

Open Source paid Free Trial

GroupMe is a mobile group messaging app owned by Microsoft.

A faster way for your team to communicate