NOT ON THE LIST IN 2019

Podio is a web-based platform for organizing team communication, business processes and content in team workspaces. From Citrix.

Website: podio.com
Cost: Free and paid plans
Availability: Online

Past Overall Rankings
2018: 197.  2017: –    2016: –    2015: –    2014: –    2013: –
2012: –       2011: –    2010: –    2009: –    2008: –    2007: –