Yes, both Papermind and Portway offer a Free Trial.
Papermind is designed for Large Enterprises, Medium Business and Small Business.
Portway is designed for Medium Business and Small Business.
Pricing for Papermind Starts at $19/Month whereas for Portway Starts at $10/Month.
Some top alternatives to Papermind includes CollaborateCloud, Airtable, ClickUp, Collabee, Portway, Slite, Slack, Glip, Appinall, Teams.cc by 500apps and Witeboard.
Some top alternatives to Portway includes Infolio, Ditto, CollaborateCloud, ClickUp, Matterbase, JANDI, mi.team, CoLab, Collabtools, Witeboard and Collabwriting.