Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
TeamSnap - Sports Team, Club & League Management Software & Apps
Sketch - Professional digital design for Mac.
SportsSignupPlay - SportsSignupPlay is one of the leading team & league management system that lets schedule calendars, communication, Roaster, and many others, making the coaches connect with you sports families.
Affinity Designer - Professional creative software, exclusively for Mac.
Team App - Team App is a platform that allows teams and groups to improve communication by creating their very own smartphone app.