Open Source ChromeOS Markdown Editors

A plugin-driven WYSIWYG markdown Editor, inspired by Typora, built on top of prose-mirror and remark. The website is designed by Meo and Mirone. Powered by Theme Nord and Material Design. A plugin driven framework to build WYSIWYG Markdown editor.

Alexandrie is a fast, modern, and open-source web application for taking and organizing notes using an extended Markdown syntax, designed for students, creators, and knowledge workers. It offers a structured note-taking experience with support for workspaces and categories, making it easy to organize large repositories of information intuitively. The application runs as a responsive web interface that works online or offline, with search and export features that help users retrieve and reuse their content effectively. Built with a clear focus on productivity, Alexandrie includes support for custom storage backends like S3-compatible services or local file systems via Docker Compose setups. Its extended Markdown syntax lets users embed rich content, multimedia references, and structured blocks that go beyond plain text, while the sleek UI encourages distraction-free writing and review.

MiaoYan is a lightweight, native Markdown note-taking app for macOS, built to give programmers and writers a fast, distraction-free environment for text. It is fully local-first, meaning your notes live as plain Markdown files on your machine rather than in a proprietary cloud, which appeals to privacy-conscious users. The app focuses on a minimalist three-column layout (folders, note list, editor) with syntax highlighting, dark mode, and typography tuned for Chinese and English writing. Beyond basic editing, MiaoYan supports presentation and PPT-style modes, letting you turn Markdown documents into slide-like views directly inside the app. It also adds power-user features like automatic document typesetting, internal links, LaTeX math, Mermaid and PlantUML diagrams, and Markmap mind-map rendering. Under the hood, it is implemented in Swift as a native macOS application, which keeps it snappy and lighter than Electron-based note apps.

ARIS is an experimental automation framework that leverages AI coding agents to perform continuous research and development tasks autonomously, even without active user supervision. The system is designed to run iterative cycles of research, coding, testing, and refinement, effectively simulating a “sleep mode” where productive work continues in the background. It integrates with AI tools such as Claude Code to generate solutions, analyze results, and improve outputs over time. The project emphasizes long-running workflows that can explore problem spaces more deeply than manual intervention would typically allow. It also highlights the potential of autonomous agents to handle repetitive or exploratory tasks that would otherwise require significant human effort. The framework is particularly relevant for developers interested in automated experimentation, continuous learning systems, and AI-driven productivity.

AudioNotes is an application (or proof-of-concept) that likely combines audio recording or playback with note-taking or annotation functionality — enabling users to record voice or audio and attach textual or timestamped notes, making it ideal for lectures, interviews, meetings, or personal memos. Such a tool offers a more expressive and flexible way to capture and revisit information: instead of just typed notes or raw audio, users get both audio context and structured notes. As an open-source repository, AudioNotes provides developers or power users the opportunity to customize how audio is captured, stored, annotated, and replayed — e.g. adding playback speed control, export to standard formats, or synchronization between notes and audio timeline. It may support simple UI for starting/stopping recordings, writing or editing notes, and navigating through recorded sessions.

Flatdoc is a tiny JavaScript library that builds a documentation site directly from Markdown files, without requiring a server-side engine or static site generator. Point it at a Markdown source and it fetches, parses, and renders content into a ready-to-browse doc layout in the browser. It autogenerates a navigation sidebar from headings, supports anchors, and provides a clean default theme that’s easy to restyle. Because it runs client-side, it’s great for small projects, GitHub-hosted docs, or internal references where you want “drop-in” documentation with minimal setup. The library’s footprint and API are intentionally modest, making it simple to customize templates, typography, or color schemes. For teams who value instant docs from a README or single Markdown file, Flatdoc remains a practical, dependency-light choice.

Ink is a fast and flexible Markdown parsing library written in Swift that is designed to convert Markdown content into structured representations suitable for rendering or further processing. Originally developed as part of the Publish ecosystem, it focuses on performance and extensibility while maintaining a relatively simple and understandable internal architecture. The parser operates by reading Markdown input through a structured reader system that processes fragments and determines how each section should be interpreted. It uses error handling as part of its control flow, allowing the parser to efficiently decide whether to advance or rewind when processing different Markdown constructs. Ink is intended to be both production-ready and developer-friendly, encouraging users to explore and extend its functionality as needed.

MDX Deck is a presentation framework that allows developers to create interactive slide decks using MDX, a format that combines Markdown with JSX components. It enables users to write presentations as code, integrating text, components, and dynamic content within a single document. The system supports live coding, theming, and customization, making it ideal for technical talks and developer-focused presentations. It leverages React under the hood, allowing users to incorporate interactive elements and reusable components. The framework emphasizes simplicity and flexibility, enabling rapid creation of visually appealing presentations. It also supports exporting and sharing slides easily across platforms. Overall, mdx-deck transforms presentations into programmable, interactive experiences.

Markdown-Resume provides a simple, portable way to author a résumé using plain Markdown and then render it into a clean, professional layout. The idea is to keep content and presentation separate: you write experience, skills, and education in text, and the tooling handles typography. This approach makes version control, diffing, and iterative edits straightforward, which is especially useful when tailoring résumés to different roles. The repository typically includes a theme or template along with scripts or instructions for producing HTML and PDF outputs. Because the source is Markdown, it is easy to localize, reorder sections, or automate updates via a CI workflow. It’s a pragmatic balance of designer-friendly output and developer-friendly authoring.

kodeWeave is a realtime coding playground for HTML, CSS and Javascript. Similar to JSFiddle and JSBin, but kodeWeave was made to work offline but also as a prototyping application to build applications for desktop operating systems while on mobile devices. (PhoneGap Build is recommended for mobile devices) kodeWeave similar to jsfiddle, jsbin, dabblet, liveweave, codepen, cssdeck, cssdesk, tinkerbin, d3 playground, plunker and pastebin, but allows you to export your web app as a desktop and/or chrome application.

markdown-it is a fast and extensible JavaScript-based Markdown parser designed to convert Markdown text into HTML while maintaining strict compliance with the CommonMark specification and offering additional syntax enhancements. It is widely used in web applications, documentation tools, and content platforms due to its high performance and flexibility. The library is built with a rule-based parsing system that allows developers to customize or replace syntax rules, making it adaptable to a wide variety of use cases. It also supports plugins that extend functionality, such as adding emoji support, footnotes, or custom containers, enabling highly tailored rendering pipelines. markdown-it emphasizes security by default, ensuring that generated HTML is safe for use in web environments without introducing vulnerabilities. Its architecture balances speed and extensibility, making it suitable for both lightweight applications and large-scale content systems.