An experimental note-taking canvas for developing ideas

📜 A minimal whiteboard for sketching, annotating and prototyping

Web based diagramming app that lets you build interactive diagrams and prototypes

A diagram drawing web-app, built by React.js and HTML canvas

A web based gui tool for creating uml diagrams

Dgrm.net - flowchart editor. Works on desktop, phone and tablet. Has no dependency. Pure JavaScript.

An arrows-and-boxes diagram builder using Snap.SVG.

A UML class diagram tool editor built with vanilla JavaScript, HTML, and CSS 👨‍💻

Annotated diagrams, from text

UML diagramming package based on the yUML syntax

Markdown Graph Notes App. Taking notes in markdown and generating diagram from script

A javascript library to interactively create diagram flows or flowcharts

Draw System Dynamics diagrams in rough mode

An open source personal productivity platform built on Markdown, turbo charged with the scripting power of Lua

Dennis Treder's Arrows-and-boxes (http://www.headjump.de/article/arrows-and-boxes)

A library for automatically connecting boxes in a diagram using css2/css3

bigpicture.js is a Javascript library that allows infinite panning and infinite zooming in HTML pages.

A Chrome extension to highlight text and keep it all saved

Markdown as Web Page/Site

WIP - A simple, lightweight and beautiful Markdown editor and viewer.

👻 Lightweight realtime markdown viewer and editor - Simple, clean and beautiful https://liyasthomas.github.io/marcdown

A library to display an interactive editor for any graph-like data.

A tool for active reading and personal knowledge management

Draw a leader line in your web page.

The simple and high performance library to allow HTML/SVG element to be dragged.

CSS (plus convertors) for sequence diagrams

Pure CSS & HTML Diagrams.

Main repository of the zim desktop wiki project

Graphical GREP tool for Windows

very good whiteboard SDK / infinite canvas SDK