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KeystoneJS — Headless CMS (Open Source)

KeystoneJS is an open-source Headless CMS solution. Compare it against 5 other Headless CMS tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is KeystoneJS?

KeystoneJS is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under Headless CMS. Buyers typically evaluate KeystoneJS when they need a dependable Headless CMS option and want to weigh the trade-offs between free, open-source and paid tools before committing.

KeystoneJS alternatives

If KeystoneJS isn't the right fit, compare these Headless CMS alternatives side by side:

CockpitContentfulDirectus-style SquidexPayload CMSStrapi

Frequently asked questions

Is KeystoneJS free?
Yes. KeystoneJS is open source and free to use, with no purchase cost for the core product.
What are the best KeystoneJS alternatives?
Popular Headless CMS alternatives to KeystoneJS include Cockpit, Contentful, Directus-style Squidex, Payload CMS. See the full list of Headless CMS on FreeSoftwareX.
What type of software is KeystoneJS?
KeystoneJS is an open-source Headless CMS tool.

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