devRant - Community for developer to connect over fun rants about tech
Slack - A messaging app for teams who see through the Earth!
Hashnode - A friendly and inclusive Q&A network for coders
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
ShoutBox - The anonymous way for developers to rant and express their thoughts on anything
Mattermost - Mattermost is an open source alternative to Slack.