Mattermost - Mattermost is an open source alternative to Slack.
Award Force - Award Force is recognised as the world’s #1 awards management software, trusted by organisations across the globe to recognise excellence in their field.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Submittable - Submittable is an easy-to-use online submission manager.
Slack - A messaging app for teams who see through the Earth!
SurveyMonkey Apply - SurveyMonkey Apply enables organizations to streamline the process of collecting and reviewing applications.