Miraheze is a free wiki hosting service run by MediaWiki volunteers and a non-profit. It offers self-service configuration, over 300 extensions and skins, and custom domains at no cost. Wikis can cover topics such as technology, games, entertainment, sciences and education.
Vrite is an open-source, collaborative developer content platform for documentation, technical blogs, and knowledge bases. It includes a technical content editor with code editing, Markdown, and keyboard shortcuts, and can be self-hosted or used through a cloud service. It offers a headless API, JavaScript SDK, content variants, metadata, Git sync, and AI-powered semantic search. Paid plans begin with a 14-day free trial.
wikmd is a file-based wiki that uses Markdown documents, converting them to HTML for viewing in the browser. Features listed include git support, image support, math and LaTeX, code highlighting, file searching, a dark theme, a knowledge graph and basic password protection. Data is stored as files rather than in a database.
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.
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.
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Vrite is an open-source, collaborative developer content platform for documentation, technical blogs, and knowledge bases. It includes a technical content editor with code editing, Markdown, and keyboard shortcuts, and can be self-hosted or used through a cloud service. It offers a headless API, JavaScript SDK, content variants, metadata, Git sync, and AI-powered semantic search. Paid plans begin with a 14-day free trial.
wikmd is a file-based wiki that uses Markdown documents, converting them to HTML for viewing in the browser. Features listed include git support, image support, math and LaTeX, code highlighting, file searching, a dark theme, a knowledge graph and basic password protection. Data is stored as files rather than in a database.
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.
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.
