Tag
28 catalogue entries use this topic; each Project's license policy is labeled separately.
Text-defined diagrams: flowcharts, sequences, and Gantt in Markdown
Mermaid is a JavaScript tool that renders Markdown-inspired text into flowcharts, sequence diagrams, and Gantt charts, rendered natively in Markdown hosts such as GitHub.
Self-hosted Markdown memo hub for quick capture
Memos is a self-hosted, MIT-licensed memo hub: write Markdown notes to a private timeline in seconds, then share individual memos by link.
Free offline Markdown notes with private sync
Joplin is a free, open-source note-taking and to-do app that keeps Markdown notes in notebooks with tags, works fully offline, and synchronises through user-chosen targets with end-to-end encryption.
Local-first block notes with backlinks, sync, and flashcards
SiYuan is a local-first, privacy-first note-taking app that organizes Markdown notes as linked content blocks with backlinks, databases, and end-to-end encrypted sync.
A privacy-first, open-source knowledge base
Logseq is a privacy-first, open-source knowledge base that organizes notes as an outliner of linked blocks, stored in local Markdown and Org files you control.
Open-source team chat with topic threads for focused teamwork
Zulip is an open-source team chat platform that organizes conversations into streams and topics so distributed teams can follow many discussions without losing track.
Desktop Markdown knowledge base with Git sync and AI agents
Tolaria is a free, open source desktop app for Markdown knowledge bases, with wikilinks, an integrated Git client, and AI agent support.
Fast single-binary static site generator with Sass, feeds, and search
Zola is a static site generator in a single Rust binary that turns Markdown, Tera templates, and Sass into blogs, docs, and landing pages with feeds and search built in.
Self-hostable collaborative text editor with real-time co-editing
Docs is a self-hostable collaborative text editor with real-time co-editing, sub-docs, and version history for team knowledge.
Real-time Node.js forum software for online communities
NodeBB is a self-hosted, GPL-3.0 community forum platform built on Node.js with real-time chat, notifications, and federated sharing.
Private encrypted notes across every device
Notesnook is an open-source, end-to-end encrypted note-taking app with notebooks, tags, and reminders that works offline across mobile, web, and desktop, syncing through its own cloud from a free tier.
Open-source Git-backed headless CMS with visual editing for Markdown sites.
TinaCMS is an open-source, Git-backed headless CMS that adds visual editing to Markdown, MDX, and JSON content, saving editor changes as Git commits.
Free open-source chat with voice, video, and self-hosting for communities
Fluxer is a free, self-hostable chat and VoIP app for friends, groups, and communities, with channels, voice, video, and screen sharing.
Local-first meeting notepad with bot-free audio capture
Anarlog is a local-first meeting notepad that records device audio without adding a bot to the call and keeps transcripts in local files.
Open-source BI framework for data apps in SQL and Markdown
Evidence is an open-source BI framework for building reports, dashboards, and data apps with SQL and Markdown on SQL warehouses.
End-to-end encrypted notes on every device
Standard Notes is a free, open-source note-taking app that protects notes and files with audited end-to-end encryption and syncs them across unlimited devices.
Open-source group chat with servers, voice, and self-hosting
Stoat is a free open-source group chat app for friends and communities, with servers, voice chat, and file sharing, available hosted or as optional self-hosting.
Offline, Git-native API workspace in plain Markdown
Voiden is an offline, Git-native API workspace that keeps requests, tests, notes, and documentation together in plain-text .void files.
Free open-source meeting memory your AI can query
Minutes is a free, MIT-licensed meeting-memory app for Mac and Windows that transcribes meetings on-device into Markdown your AI assistant can query.
Local-first notes with linking, tags, and your choice of sync
Beaver Notes is a local-first note-taking app that keeps notes on the device by default, with no account required and no telemetry in the editor. Notes support Markdown, note linking, tags, folders, file attachments, LaTeX math, sketches, and locked notes, and work fully offline.
Self-hosted Markdown notes in a single Go binary
Zen is a free, self-hosted notes app that keeps standard Markdown notes in a local SQLite database with instant full-text search and tag organization.
Self-hosted flat-file CMS for Markdown websites and eBooks
Typemill is a self-hosted flat-file CMS that builds websites and eBooks from Markdown files without a database.
End-to-end encrypted document editor with live collaboration
dDocs is a self-hosted document editor with live collaboration, suggestion mode, comments, and version history.
Simple API-first headless CMS for blogs
Marble CMS is an open-source, API-first headless CMS for blogs, pairing a Markdown editor and media library with a REST API and Next.js and Astro integrations.
Offline-first notebook with rich editing, themes, and local storage
Darkwrite is an offline-first notebook for Windows, macOS, and Linux that keeps every note on the device, with no account and no subscription.
Simple encrypted Markdown notes with offline sync
OpenNotas is a free, open-source Markdown notes app with AES encryption that works offline on mobile and desktop with adapter sync.
Open-source Markdown that mounts interactive apps for LLMs
MDMA is an MIT-licensed open-source framework by Mobile Reality that turns LLM Markdown output into interactive applications with forms, tables, and approval gates.
Fast privacy-focused notes with lists, reminders, and sync
Justnote is a free, open-source note-taking app with notes, checklists, and reminders that syncs across web, Android, and iOS, with optional paid plans for extra storage.