ClickUp
Free plan From $7/user/mo (annual)
Unlimited members & tasks; 5 Spaces; 60 MB storage; Gantt/Workload on trial uses
Free project management tools for teams (multi-user)
PM tools whose free plan supports a team (5+ users or unlimited members), not just one person. 9 tools. Full search & filters.
Many free plans are single-user or 2-seat only (Basecamp, Paymo, TeamGantt, monday.com, Asana Personal). These allow a real team; check the stated limits before committing.
Trello
Free plan From $5/user/mo (annual)
Up to 10 collaborators per Workspace; up to 10 boards; 250 automation runs/mo; 10 MB/file
Jira
Free plan From $9.7/user/mo (monthly)
Up to 10 users; 2 GB storage; Community support
Teamwork.com
Free plan From $9.99/user/mo (annual)
Free plan: up to 5 users and 5 projects, 100 MB storage
Zoho Projects
Free plan From $4/user/mo (annual)
Free for up to 5 users; 3 projects; 5 GB storage; 50 workflow executions/month
Hive
Free plan From $5/user/mo (annual)
Up to 10 workspace members; 200 MB storage; unlimited tasks; 1,000 AI credits/mo
Nifty
Free plan From $79/mo (annual)
Free plan with unlimited members; limited storage/projects (confirm current Free card)
Linear
Free plan From $10/user/mo (annual)
Unlimited members; 2 teams; 250 issues
Freedcamp
Free plan From $1.49/user/mo (annual)
Free plan $0 with core project tools
Price & free-plan changes
Occasional email when PM / PMO tools change free-plan limits or list prices. No spam.