Based on our record, Lets Chat seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If Let's Chat used PHP and MySQL, it'd be perfect, but it uses MongoDB, which I can't use, and even if I could use it, I don't know how I'd configure it. Source: about 3 years ago
Rocket.Chat - Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
Openfire - Openfire (formerly Wildfire) is a cross-platform instant messaging (IM) and groupchat server.
Twilio - Brings voice and messaging to your web and mobile applications.
Prosody - Prosody is a modern flexible communications server for Jabber/XMPP written in Lua.
Mattermost - Mattermost is an open source alternative to Slack.
Matrix.org - Matrix is an open standard for decentralized persistent communication over IP.