Open-source alternatives to Confluence
Confluence is Atlassian's hosted wiki for team documentation. The list below is every catalog tool tagged Wikis or Knowledge Management Tools, which is the closest the catalog gets to the same job; none of them has been checked feature by feature against Confluence.
| Tool | Stars |
|---|---|
Next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, customizable and ready to use (alternative to Notion and Miro). MIT, AGPL-3.0 · released 2026-09-06 | 72,294 |
A privacy-first personal knowledge management software, written in typescript and golang. AGPL-3.0 · released 2026-09-07 | 46,225 |
Extensible wiki for your team. BUSL-1.1 · released 2026-09-02 | 40,483 |
Modern, lightweight and powerful wiki app using Git and Markdown. AGPL-3.0 · released 2026-09-07 | 28,851 |
Collaborative wiki and documentation software (alternative to Confluence, Notion). AGPL-3.0 · released 2026-07-03 | 21,603 |
Collaborative note taking, wiki and documentation platform that scales. MIT · released 2026-09-04 | 16,798 |
Reusable non-linear personal web notebook. BSD-3-Clause · released 2026-07-10 | 8,645 |
Easy to use, lightweight, standards-compliant wiki engine with a simple syntax allowing reading the data outside the wiki. All data is stored in plain text files, therefore no database is required. GPL-2.0 · released 2026-09-02 | 4,710 |
Knowledgebase platform that uses static Markdown files. MIT · released 2026-03-11 | 2,899 |
Tool for indexing large amounts of both documents (PDF, Word, HTML) and structured (CSV, XLS, SQL) data for easy browsing and search. It is built with investigative reporting as a primary use case. MIT · released 2025-10-27 | 2,425 |
Modern Docs + Wiki software with built-in workflow, single binary executable, just bring MySQL/Percona. AGPL-3.0 · released 2025-09-19 | 2,415 |
Wiki program that stores pages and uploaded files in a git repository, which can then be modified using the VCS command line tools or the wiki's web interface. GPL-2.0 · released unknown | 2,277 |
Graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images. GPL-2.0 · released unknown | 2,200 |
Wiki system with complex functionality for simple integration and a superb interface. Store your knowledge with style: Use django models. GPL-3.0 · released 2026-07-31 | 1,933 |
Knowledge graph database with documents (similar to Notion), tables, search, and a powerful linked data API. Lightweight, very fast and no runtime dependencies. MIT · released 2026-09-04 | 1,598 |
Simple, easy to use wiki software using markdown. MIT · released 2026-08-29 | 1,525 |
Second generation wiki that allows the user to extend its functionalities with a powerful extension-based architecture. LGPL-2.1 · released 2026-08-31 | 1,306 |
A fast wiki for people who think in folders, not feeds. Fast editing. Tree navigation. Markdown on disk. MIT · released 2026-08-16 | 1,112 |
A modern, feature-rich, databaseless flat-file wiki platform. GPL-3.0 · released 2026-09-06 | 615 |
A databaseless markdown flat-file wiki engine. MIT · released 2026-08-19 | 518 |
Host and create your own mindmaps. Share your mindmap sessions with your team and collaborate live on mindmaps. MIT · released 2026-09-06 | 495 |
Amusewiki is based on the Emacs Muse markup, remaining mostly compatible with the original implementation. It can work as a read-only site, as a moderated wiki, or as a fully open wiki or even as a private site. GPL-1.0 · released unknown | 219 |
Wiki CMS Groupware with the most built-in features. LGPL-2.1 · released unknown | 84 |
Web-based knowledge base solution. A simple web app, it runs on pretty much any web server or hosting provider with PHP and MySQL. GPL-3.0 · released 2025-12-29 | 60 |
Lightweight, mutli-user, flat-file-database Wiki engine. Create pages quickly and edit them in your Web browser using Mardown/HTML/CSS/JS. The main difference with other wiki is that you are encouraged to customize each page style individually. AGPL-3.0 · released 2026-06-09 | 56 |
WackoWiki is a light and easy to install multilingual Wiki-engine. BSD-3-Clause · released 2026-07-18 | 55 |
Structured personal knowledge base, inspired by zettlekasten and org-mode. AGPL-3.0 · released unknown | 1 |
Organize and store information. Stores documentation in a book like fashion. MIT · released unknown | n/a |
Create simple mindmaps (documentation in French). AGPL-3.0 · released unknown | n/a |
A lightning fast and infinitely extensible tool for creating personal non-linear notebooks, databases, and wikis that is entirely self-contained, runs in your browser, and is only 58 kilobytes in size. AGPL-3.0 · released unknown | n/a |
Wiki software package that powers Wikipedia and all other Wikimedia projects, serving hundreds of millions of users each month. GPL-2.0 · released unknown | n/a |
Wiki-based system for collaborative creation and maintenance of websites. GPL-3.0 · released unknown | n/a |
Online assessment software. From a quick quiz on your phone to large scale, high stakes, proctored desktop testing, easy, secure and economical. GPL-2.0 · released unknown | n/a |
Wiki, simple to use and install. GPL-2.0 · released unknown | n/a |
Manage your knowledge in documents with folders, markdown, full text search and webpage collection support. ⊘ Proprietary · released unknown | n/a |
All mapped products · data from awesome-selfhosted, CC BY-SA 3.0