jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
Slack - A messaging app for teams who see through the Earth!
Vaadin Framework - Vaadin is a web application framework for Rich Internet Applications (RIA).
Mattermost - Mattermost is an open source alternative to Slack.
CUBA.platform - A Full Stack Enterprise Java Framework with lots of out of the box functionality and amazing...
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.