Gather Town - Spatial video-chat worlds for work and play
Sass - Syntatically Awesome Style Sheets
SpatialChat - Virtual space platform to help remote teams collaborate.
PostCSS - Increase code readability. Add vendor prefixes to CSS rules using values from Can I Use. Autoprefixer will use the data based on current browser popularity and property support to apply prefixes for you.
Teamflow - Feel like a team again with your own virtual office
Stylus - EXPRESSIVE, DYNAMIC, ROBUST CSS