Yes, both Basecamp and Proposify offer a Free Trial.
Basecamp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Proposify is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Basecamp Starts at $15/user/month when monthly whereas for Proposify Starts at $49/User/Month.
Some top alternatives to Basecamp includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Trello, Wrike, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Quick Base, Project.co and Notion.
Some top alternatives to Proposify includes PandaDoc, Better Proposals, Qwilr, Proposable, Propoze, Docspo, ProposalPad, Fresh Proposals, Prospero and QorusDocs.