Yes, both RMail and PandaDoc offer a Free Trial.
RMail is designed for Medium Business and Small Business.
PandaDoc is designed for Large Enterprises, Medium Business and Small Business.
Pricing for RMail Starts at $6.99/User/Month whereas for PandaDoc Starts at $19/User/Month when Billed Yearly.
Some top alternatives to RMail includes PandaDoc, DeliverySlip, SignRequest, Signaturit, HelloSign, SignFree, E-Sign, eSigns, SignBox and eSign by SquidSoft.
Some top alternatives to PandaDoc includes Proposify, Qwilr, Proposable, seProposals, Docspo, Adobe Sign, DocuSign, HelloSign, QorusDocs and Conga Composer.