Yes, both IceWarp and Paper Workspace offer a Free Trial.
IceWarp is designed for Large Enterprises, Medium Business and Small Business.
Paper Workspace is designed for Large Enterprises, Medium Business and Small Business.
Pricing for IceWarp Starts at $2.50/Month whereas for Paper Workspace Starts at $4/User/Month when Billed Yearly.
Some top alternatives to IceWarp includes Zoho Connect, Zoho Cliq, Zimbra Collaboration, Google Workspace, Zoho Docs, Zimbra Cloud, Google Admin Console, Qualified, SoWork, Workvivo, Paper Workspace and Drag.
Some top alternatives to Paper Workspace includes Anywhere, Today, CollaborateCloud, SalesCRM, CloudSocial, Qualified, Checkeden, Workvivo, Blog To Social, Moderne, BetterCloud and IFTTT.
