Yes, both Slack and E-Sign offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
E-Sign is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Slack begins at $2.67/Month, while pricing details for E-Sign are unavailable.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.
Some top alternatives to E-Sign includes PandaDoc, Signaturit, Signable, SignEasy, DocuSign, signNow, Secured Signing, Techsign Doc, Document eSign and eSign by SquidSoft.