Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Offsiter - Find and book team building activities and company offsites
Sketch - Professional digital design for Mac.
NextRetreat - All-in-one solution for organising team retreats & offsites
Affinity Designer - Professional creative software, exclusively for Mac.
TeamOut - TeamOut offers easy-to-book venues for team retreats.