Kutools for Excel - A handy Microsoft Excel add-ins collection to free you from time-consuming operations.
ForumFree - ForumFree allows you to create a forum or a blog in a few simple steps.
ASAP Utilities - ASAP Utilities is a powerful Excel add-in that fills the gaps in Excel.
Proboards - ProBoards is a host of free forums with customer service.
Excel Dashboard School - Free Excel add-ins and tools on Excel Dashboard School. Boost your work productivity and save your time! No trials, 100% power!
Disciple - Grow, engage and monetise your community with Disciple community software. Get your own branded community platform on Web, iOS and Android