Best Wiki Software in 2026
Updated
In short: Confluence is ranked #1 of 32 as of 4 October 2026, ahead of PmWiki and MoinMoin. The best-ranked option with a free plan is PmWiki. The lowest first paid tier on this page is BlueSpice at €4.50/mo.
Shared reference pages can serve as a home for team knowledge, internal documentation, or material people need to keep current. Compared on API access, custom domain, free plan, page limit, page permissions, paid from, self-hosting, SSO support, and version history, these options offer practical points to weigh for access, scale, administration, and cost. Consider how much control you need over who can read or edit pages, and whether you want to host the software yourself. Confluence, MoinMoin, and Wiki.js are among the named options to examine against your requirements.
32 wiki software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Is your tool on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which wiki software is ranked first on Specifiction?
Confluence is ranked #1 of 32 with a score of 7.8. PmWiki is second and MoinMoin third.
How many of these have a free plan?
12 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, BlueSpice has the lowest first paid tier we found: €4.50/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.