Alternatives to Tettra for all platforms with any license

TiddlyWiki

TiddlyWiki is a highly customizable notewiki for capturing, organising and sharing complex information.

Free Open Source Mac Windows Linux Web BSD ... Self-Hosted Xfce
Encrypted Notes MarkDown support Multiple languages Password encryption ... Portable Standalone Support for NodeJS Wiki-like interface Add a feature

164 Like
Notion

With so many tools, it's hard to keep everyone on the same page. Notion is a new tool that unifies them all. It's like Google Docs, but everything is...

Freemium $ $ $ Mac Windows Web Android iPhone ... iPad
MarkDown support Real time collaboration Wiki-like interface Collaborative writing ... Drag n drop Embedded media Google Drive integration Integrated Search Kanban boards Knowledge base Latex Math Support for @mentions Real time collaboration Real time editing Slack integration Student discount Syntax Highlighting Team Collaboration To-Do management Youtube integration Add a feature

73 Like
DokuWiki

DokuWiki is a standards compliant, simple to use Wiki, mainly aimed at creating documentation of any kind. It is targeted at developer teams, workgroups and small...

Free Open Source Self-Hosted Cloudron
Drag n drop Extensible by Plugins/Extensions Add a feature

151 Like
MediaWiki

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...

Free Open Source Self-Hosted PHP Cloudron
No features added Add a feature

115 Like
BookStack

An open source knowledge management application that's focused on ease of use.

Free Open Source Web Self-Hosted
Knowledge base WYSIWYG Support Add a feature

42 Like
Tiki Wiki CMS Groupware

Tiki Wiki CMS Groupware is a full-featured, web-based, multilingual (40+ languages), tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL)...

Free Open Source Mac Windows Linux Web Self-Hosted ... PHP
Web-Database Bug reporting CRM Data export/import ... Database Publishing FAQ Automation Group collaboration Multiple languages Network intrusion detection system Private and public wiki options Export to PDF Search within wikis Web-Based Add a feature

85 Like
Confluence

Leading collaboration software and enterprise wiki for intranets and knowledge management.

Commercial $ $ $ Web Self-Hosted Cloudron
Batch image manipulation Create Macro Extensible by Plugins/Extensions Jira integration ... Support for @mentions Real time collaboration REST API WYSIWYG Support Add a feature

50 Like
Nuclino

Nuclino is the easiest way to organize and share knowledge in teams. Create real-time collaborative documents and connect them instantly like a wiki. Use the tree...

Freemium $ $ $ Mac Windows Linux Web Android ... iPhone Chrome OS iPad
Real time collaboration Minimalistic WYSIWYG Support Collaborative writing ... Knowledge base Lightweight MarkDown support Mind Map view Own wiki Real time collaboration Team Collaboration Add a feature

56 Like
Plone

Plone is an open source content management system based on the Zope application server, written in python. Its known to be powerful, reliable, secure and easy to use....

Free Open Source Self-Hosted Python
Workflow Automation Add a feature

60 Like
XWiki

A powerful Open Source collaborative platform enhancing collaboration and communication.

Free Open Source Mac Windows Linux Web Self-Hosted
Built-in editor Extensibility File Searching Multiple languages ... Real time collaboration Add a feature

61 Like
Wiki.js

An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.

Free Open Source Mac Windows Linux Self-Hosted
Built-in authentication Built-in search engine MarkDown support Real time collaboration Add a feature

12 Like
Banana Dance Wiki/CMS

Free open source software combining the best of wiki and CMS with community building-features.

Free Open Source Mac Windows Linux PHP
WYSIWYG Support Add a feature

9 Like
Twiki

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. The...

Free Open Source Mac Windows Linux
Real time collaboration Add a feature

9 Like
SlimWiki

SlimWiki is an easy to use Wiki / knowledge sharing platform for teams with a beautifully simple editing experience.
- It's a great look-alike with similar functionality. Same price though it's not open source. $5/user per month unless your team is tiny with only 3 people. Guest • Feb 2017
Freemium Web
Knowledge base Add a feature

2 Like
Referata

Referata offers hosting of semantic wikis, allowing you to add, structure and store data so it can be managed, shared, browsed and analyzed in as many ways as you...

Freemium Web Self-Hosted
Ad-free Multiple languages Add a feature

11 Like