Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.
Sqwiggle is an always-on online workplace for your remote team to work together throughout the day and feel more connected.
Work together like you're at the same desk. Screen sharing for collaboration in teams.
Locate the best coffee shops, cafes, restaurants and coworking spaces to work from outside of home and when traveling. Recommended by others in the community.
NearFar is a better way to communicate. NearFar is web-based productivity software combines chat, project tracking, and asset sharing tools so you and your team can collaborate better.
Most tools tagged with collaboration are good for remote work: http://www.hackertoolbox.com/tags/collaboration