Finding the best free headless CMS for a Next.js project in 2026 is harder than it looks. Every vendor buries the real limits — API call caps, seat restrictions, bandwidth ceilings — in a pricing footnote. This post cuts through that: five CMS options, free tier only, honest about what breaks first. What free actually means across these five CMS options Before the comparison: there are two categories of "free" here. Managed SaaS free tiers (Sanity, Contentful, Storyblok) give you...