Notion is not available as a self-hosted solution but there are plenty of alternatives for power users and business that want to host a solution on-premise. The best Self-Hosted alternative is Standard Notes, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Notion and loads of them is available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Notion are TiddlyWiki (Free, Open Source), TagSpaces (Freemium, Open Source), MediaWiki (Free, Open Source) and Redmine (Free, Open Source).
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 (.
Logseq is a platform for knowledge sharing and management. It focuses on privacy, longevity, and user control. Notice: the backend code will be open-sourced as soon as we’re sure that the backend service meets the security standards.
A Kanban-inspired app for keeping track of things that need to get done. The goal of TaskBoard is to provide a simple and clean interface to a functional and minimal application for keeping track of tasks. It's not trying to be the next Trello or LeanKit.
Foam is a personal knowledge management and sharing system inspired by Roam Research, built on Visual Studio Code and GitHub. You can use Foam for organising your research, keeping re-discoverable notes, writing long-form content and, optionally, publishing it to the web.