Xournal++ is a handwriting notetaking program with PDF annotation support, written in C++ with GTK3. It runs on Linux, macOS and Windows 10 and supports pen input from devices such as Wacom tablets. The project offers paper backgrounds, drawing tools and shape drawing, and can follow links from a background PDF.
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.
QOwnNotes is an open source markdown note-taking application for Linux, macOS and Windows that works together with Nextcloud Notes. Notes are stored as plain-text markdown files on the computer, and sync services such as Nextcloud can be used to sync notes across devices. It is described as a native application optimized for speed and low processor and memory use.
Docmost is an open-source, self-hosted collaborative wiki and documentation tool presented as an alternative to Notion and Confluence. It offers real-time collaborative editing, team spaces with permissions, comments, page history, public sharing, nested navigation and diagramming tools. An optional enterprise edition adds SSO, AI and API access. It can run in air-gapped environments with no external dependencies.
Notion World helps clean, compare, sort, transform, count, or format text in the browser.
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.
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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.
QOwnNotes is an open source markdown note-taking application for Linux, macOS and Windows that works together with Nextcloud Notes. Notes are stored as plain-text markdown files on the computer, and sync services such as Nextcloud can be used to sync notes across devices. It is described as a native application optimized for speed and low processor and memory use.
Docmost is an open-source, self-hosted collaborative wiki and documentation tool presented as an alternative to Notion and Confluence. It offers real-time collaborative editing, team spaces with permissions, comments, page history, public sharing, nested navigation and diagramming tools. An optional enterprise edition adds SSO, AI and API access. It can run in air-gapped environments with no external dependencies.
Notion World helps clean, compare, sort, transform, count, or format text in the browser.
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.
