Yes, both ProWorkflow and Notion offer a Free Trial.
ProWorkflow is designed for Large Enterprises, Medium Business and Small Business.
Notion is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for ProWorkflow Starts at $9/User/Month when Billed Yearly whereas for Notion Starts at $4/Month when Billed Yearly.
Some top alternatives to ProWorkflow includes Smartsheet, Miro, Process Street, Wrike, Notion, TeamGantt, Asana, Teamwork, ProjectManager.com, WorkflowMax, ProProfs Project, Projectworks, Taskworld, WirTask, Quick Base, ClickUp and Flow.
Some top alternatives to Notion includes Jira, Knote, Trello, Confluence, Asana, Easynote, ClickUp, TWiki, MeisterNote and Zenkit Hypernotes.