Slack - A messaging app for teams who see through the Earth!
Sass - Syntatically Awesome Style Sheets
HeySpace - HeySpace is the only free task and simple project management software with communication and collaboration feature.
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.
Infolio - All-in-one project collaboration suite for fast results and easy teamwork
Stylus - EXPRESSIVE, DYNAMIC, ROBUST CSS