Yes, both Trello and Blink offer a Free Trial.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Blink is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Trello Starts at $5/User/Month when Billed Yearly whereas for Blink Starts at $3.40/User/Month when Billed Yearly.
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.
Some top alternatives to Blink includes Deel, Synergita, Nvolve Engage, emplo, WorkJam, Cooleaf, WorkTango, SurveyMonkey Engage, Workmates, Wrkit, Honestly Employee Engagement, EngageRocket, EngageWith, Kudos, Motivosity, Leapsome and Workvivo.