Twiki is described as 'TWiki is leading open source enterprise wiki and Web 2.0 application platform used by 50,000 small businesses, many Fortune 500 companies, and millions of people' and is a document manager in the business & commerce category. There are more than 50 alternatives to Twiki for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Mac, Windows and Linux. The best alternative is Notion. It's not free, so if you're looking for a free alternative, you could try TiddlyWiki or BookStack. Other great apps like Twiki are MediaWiki, Nuclino, DokuWiki and Wiki.js.
BookStack is a free and open source knowledge management platform built on PHP. The system has been built around simplicity to ensure that adding information to it is not a chore. The content structure is built on the metaphors of Books, Chapters & Pages.
MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis, including this website, the home of MediaWiki.
Nuclino is a unified workspace where teams can bring all their knowledge, docs, and projects together in one place. It’s a modern, simple, and blazingly fast way to collaborate, without the chaos of files and folders, context switching, or silos.
Write your content in the widely used and simple Markdown format, using the built-in visual editor. Unlike other wiki software that save content in a database with a difficult to extract format, Wiki.js saves all your content directly into Markdown (.