NextRetreat - All-in-one solution for organising team retreats & offsites
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
Offsiter - Find and book team building activities and company offsites
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
BoomPop - One-click offsites for remote teams.
Apple Numbers - Numbers lets you build beautiful spreadsheets on a Mac, iPad, or iPhone — or on a PC using iWork for iCloud. And it’s compatible with Apple Pencil.