Apps similar to Twiki include TiddlyWiki, which is free and open source. Other options are BookStack, MediaWiki, Foam and DokuWiki. There's no shortage of Note-taking Tools like Twiki, with more than 25 alternatives for the web, Windows, self-hosting, Mac and Linux.
MoinMoin is an advanced, easy to use and extensible WikiEngine with a large community of users. MoinMoin's storage mechanism is based on flat files and folders, rather than a database. MoinMoin supports plugins and can be extended via Macros and Actions.
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The Most Advanced WordPress Knowledge Base Plugin Build a WordPress Knowledge Base with access control, frontend editing, and many more power-packed | Helpie Knowledge Base Plugin
UserPress is a wiki plugin for WordPress offering sophisticated functionality wrapped in a simple, intuitive interface. UserPress allows users to edit and create content using your front-end theme (as opposed to the wp-admin area), much like Wikipedia.
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Create, share, and print vibrant docs without the headache of formatting text — for everything from notes to massive user manuals.
Noteship is a personal information manager that combines notes, todos, and reminders and is based on simple files and folders.
Elium is the leading European SaaS for knowledge sharing, helping teams stay aligned and move faster. Available on desktop and mobile app, it integrates with Slack, Microsoft and Google G-Suite and is suitable for teams of all sizes and scope.
Proven, best practices-driven IT documentation platform packed with features designed to help you maximize the efficiency, transparency and consistency of your team.
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MarkWiki aims to be dead simple. MarkWiki was born out of frustration with bad documentation tools behind a company firewall that were too complex.
NoStash is a web app to keep your notes organized and searchable, is indie, ethical and future proof. Indie: developed by a tiny team without funds. Ethical, your privacy and your notes are before everything else. Future Proof: the founder use it.
Design internal playbooks to keep your sales team up to speed, decrease ramp up time, and shorten your sales cycle. Check the video on the right to see if that's what you need.
Tadaa is the new dynamic workflow for Product Teams making project development easy to build, view and deep dive. Teams suffer from the traditional isolated information flow on multiple softwares. So we’re moving to a visible continuous flow on one platform where you can follow...
