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Nucleus CMS — CMS (Open Source)

Nucleus CMS is an open-source CMS solution from Nucleus project. Compare it against 74 other CMS tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is Nucleus CMS?

Nucleus CMS 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 CMS and published by Nucleus project. Buyers typically evaluate Nucleus CMS when they need a dependable CMS option and want to weigh the trade-offs between free, open-source and paid tools before committing.

Nucleus CMS alternatives

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

ATutorAdobe Experience ManagerAlchemy CMSAlfrescoAmetys CMSApache RollerApostropheBackdrop CMSBloomreach (Hippo CMS)BluditBoltBolt CMSBricolageCMS Made Simple

Frequently asked questions

Is Nucleus CMS free?
Yes. Nucleus CMS is open source and free to use, with no purchase cost for the core product.
What are the best Nucleus CMS alternatives?
Popular CMS alternatives to Nucleus CMS include ATutor, Adobe Experience Manager, Alchemy CMS, Alfresco. See the full list of CMS on FreeSoftwareX.
What type of software is Nucleus CMS?
Nucleus CMS is an open-source CMS tool developed by Nucleus project.

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