The best alternatives to You Need A Wiki are Archbee, Kbee, and Wikiful. If these 3 options don't work for you, we've listed a few more alternatives below.
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.Tech Domains — Building a tech startup? Build it on a .tech domain. On the house for Product Hunt makers
Publish API and product documentation with a no-code tool. Technical and business roles collaborate in one place. Instantly share product knowledge publicly or privately. Find the documents you need when you need them.
Wikiful is a platform where individuals and teams can build pain-free wikis. Make, edit, and share wikis from anywhere, quickly and intuitively. Flexible privacy and collaborator settings, markdown shortcuts, search, and more.
XWiki is a powerful Open Source collaborative platform allowing companies of all sizes to save time and money while enhancing collaboration on both team and organizational level.