Yes, both Zoom and Trello offer a Free Trial.
Zoom is designed for Large Enterprises, Medium Business and Small Business.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Zoom Starts at $12.49/Month when Billed Yearly whereas for Trello Starts at $5/User/Month when Billed Yearly.
Some top alternatives to Zoom includes Livestorm, Cisco Webex Meetings, Google Meet, GotoMeeting, Cisco Webex Teams, BlueJeans Virtual Meetings, VideoMeet, Jitsi Meet, Video Window and Zip Conferencing.
Some top alternatives to Trello includes Smartsheet, Miro, Process Street, Wrike, Notion, Freshbooks, Jira, Basecamp, Zoho Projects, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Worksuite, Trackboard, Quick Base, Todoist, ClickUp, Resource Guru and Height.