Obsidian 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 Logseq, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Obsidian and many of them are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Obsidian are Joplin, Notesnook, Standard Notes and AppFlowy.
Local-first, privacy-focused notebook supporting Markdown and Emacs Org mode. Offers offline use, encrypted backups, plugin extensibility, LaTeX support, real-time collaboration, and hierarchical organization for personal knowledge management.
Open source app for managing notes and to-dos with Markdown support. Syncs seamlessly across devices using services like Dropbox and OneDrive. Offers end-to-end encrypted synchronicity, offline access, rich import/export options, and a Web Clipper for browsers.
Offers open-source, end-to-end encrypted notes with device-based privacy, cross-platform support, private vault, secure sync, offline access, markdown editor, exports to multiple formats, automatic backups, organizational tools, and strong encryption.
Secure note-taking app with end-to-end encryption, unlimited syncing across all platforms, offline access, detailed organization through tags, strong passcode and biometric protections, and premium features like encrypted files, themes, web clipper, super note types, and hardware key support.
Open-source workspace offering complete data control, deep customization via themes, plugins, and templates, native multi-platform support using Flutter and Rust, offline access, privacy features, collaborative tools, and easy extensibility for all users.
The original trilium is transfered to this repo by its owner and the app continues to develop here as stated here: https://github.com/TriliumNext/Trilium
Open-source, privacy-focused workspace combining note-taking, project and task management, Kanban board, interactive whiteboard, Pomodoro timer, Markdown support, offline access, real-time team collaboration with @mentions, goal tracking, subtasks, and customizable features.
CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.
SiYuan is a desktop Markdown Block-Reference and Bidirectional-Link note-taking application. Support fine-grained block-level reference and Markdown WYSIWYG.
Open-source wiki and documentation solution offering real-time collaborative editing, robust permissions, group management, spaces for organizing content, inline commenting, full-page history, advanced full-text search, nested pages, attachments, and flexible storage.
Foam is a personal knowledge management and sharing system inspired by Roam Research, built on Visual Studio Code and GitHub.
Lightweight, self-hosted app for managing personal checklists and notes with drag and drop, progress bars, Kanban boards, Markdown WYSIWYG editor, file-based data, user management, sharing options, themes, open source, and API access.
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Logseq is incredibly innovative and it respects my privacy and freedom by providing Free and open source software as opposed to proprietary tools.