When comparing TeleMessage vs Rocket.Chat, the Slant community recommends Rocket.Chat for most people. In the question“What is the best team chat software?” Rocket.Chat is ranked 8th while TeleMessage is ranked 62nd. The most important reason people chose Rocket.Chat is:
Rocket.Chat is available for free. It's licensed under the MIT license with source code available on [GitHub](https://github.com/RocketChat/Rocket.Chat).
Ranked in these QuestionsQuestion Ranking
They've been in the messaging business for over 15 years. Not a start-up, and use carrier-grade infrastructure.
They offer a bunch of APIs that you can integrate with own apps to automate messaging.
Pro Desktop and mobile software
While the solution includes an app, messages can also be sent from a computer or Outlook. It can send data messages, text messages, voice messages, etc (as long as there are enough message credits).
Pro Administrative access
An organization's mobile messaging can be managed by an administrator. That means admins can add, delete or suspend users and enforce messaging policies.
Pro It's secure
TeleMessage uses end-to-end encryption, with an additional encryption layer while data is in transit. It also offers a bunch of other security features such as PIN lock, time limited messaging and forward locking.
Pro Free and open source
Rocket.Chat is available for free. It's licensed under the MIT license with source code available on GitHub.
Pro Supports a wide variety of authentication methods
In addition to the usual email / username + password combination, Rocket.Chat supports authenticating via Facebook, Github, Gitlab, Google, Linkedin, Meteor and Twitter accounts.
Pro Understands markdown better than Slack does.
Links work properly, for instance, with square brackets followed by parentheses.
Pro Native apps for all major desktop and mobile platforms
Rocket.Chat has native apps for macOS, Windows, Linux, iOS and Android.
Pro Very active and helpful community
Pro Video conferencing support
Rocket.Chat supports video calls.
Pro Will allow for anonymous use
Con No way to block new registrations
Without the ability to disable registrations, there's no way to control access to the chat.