Slack - A messaging app for teams who see through the Earth!
Timewatch - Timewatch offers time tracking, expense management, resource scheduling and professional services automation solutions.
Mattermost - Mattermost is an open source alternative to Slack.
Office Timesheets - Professional Services Automation
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Krow - Krow Software is a professional service automation solution.