Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
Zoho Backstage - Plan, run, and analyze your event— all from one place
Process Street - Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.
Meetup for iOS and Android - Discover groups that are all about the things you love
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.