Jira
Free plan From $9.7/user/mo (monthly)
Up to 10 users; 2 GB storage; Community support
Agile & software tools
2 tools in this category. Full search.
Linear
Free plan From $10/user/mo (annual)
Unlimited members; 2 teams; 250 issues
Price & free-plan changes
Occasional email when PM / PMO tools change free-plan limits or list prices. No spam.