Open Source Alternatives To Markup

Markup is a collaborative annotation tool that allows users to share and mark up web pages, PDFs, and other documents. Take a look at open source alternatives to Markup below.
Bookstack
Documentation

Bookstack

A platform to create documentation/wiki content built with PHP & Laravel

License

MIT

Language

PHP

Stargazers

13472

Forks

1717

Open Issues

463

Wiki.js
Documentation

Wiki.js

Wiki.js | A modern and powerful wiki app built on Node.js

License

AGPL V3

Language

JavaScript

Stargazers

23075

Forks

2539

Open Issues

150