AppFlowy is a self-hosted AI workspace for enterprise teams to manage projects, wikis, and data with private AI, flexible databases, and full data control. It runs on the user's infrastructure, in the cloud, or in a fully air-gapped environment. It is available on macOS, Windows, Linux, iOS, Android, and the web.
NoteDiscovery is a self-hosted Markdown knowledge base described as free and open source. It includes wikilinks, graph view, a drawing editor, LaTeX math, and Mermaid diagrams, along with AI assistant integration via MCP. Notes are stored as plain Markdown files in folders, and the project offers a Docker-based setup.
HelixNotes is a local markdown note-taking app built with Tauri, SvelteKit, and Rust. Notes are stored as standard Markdown files on the local filesystem. The Codeberg repository is a historical backup; the project has moved to GitLab and is no longer updated there.
Memos is an open-source, self-hosted note-taking app that provides a timeline for quick notes written in Markdown. New memos are private by default, and visibility can be limited to the author, invited people, or anyone with the link. The software is MIT licensed, sends no telemetry, and can be deployed with Docker.
The Obsidian Forum is a place for Obsidian users to discuss Obsidian and knowledge management. Its categories cover help, bug reports, feature requests, knowledge management, and sharing plugins, themes and CSS snippets, along with developer sections for plugins, API and theme design.
Butterfly helps clean, compare, sort, transform, count, or format text in the browser.
SiYuan is an open-source, local-first, privacy-first note-taking app. It offers Markdown, block references, bidirectional links, databases, and multi-device sync for personal knowledge management. Content is organized at the block level, with built-in block-level and span-level elements, and blocks support zoom-in focus with breadcrumb navigation. A free tier includes local storage; PRO features require a one-time purchase and third-party sync services.
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NoteDiscovery is a self-hosted Markdown knowledge base described as free and open source. It includes wikilinks, graph view, a drawing editor, LaTeX math, and Mermaid diagrams, along with AI assistant integration via MCP. Notes are stored as plain Markdown files in folders, and the project offers a Docker-based setup.
HelixNotes is a local markdown note-taking app built with Tauri, SvelteKit, and Rust. Notes are stored as standard Markdown files on the local filesystem. The Codeberg repository is a historical backup; the project has moved to GitLab and is no longer updated there.
Memos is an open-source, self-hosted note-taking app that provides a timeline for quick notes written in Markdown. New memos are private by default, and visibility can be limited to the author, invited people, or anyone with the link. The software is MIT licensed, sends no telemetry, and can be deployed with Docker.
The Obsidian Forum is a place for Obsidian users to discuss Obsidian and knowledge management. Its categories cover help, bug reports, feature requests, knowledge management, and sharing plugins, themes and CSS snippets, along with developer sections for plugins, API and theme design.
Butterfly helps clean, compare, sort, transform, count, or format text in the browser.
SiYuan is an open-source, local-first, privacy-first note-taking app. It offers Markdown, block references, bidirectional links, databases, and multi-device sync for personal knowledge management. Content is organized at the block level, with built-in block-level and span-level elements, and blocks support zoom-in focus with breadcrumb navigation. A free tier includes local storage; PRO features require a one-time purchase and third-party sync services.
