- Flexbox Grid | © 2013 Kristofer Joseph | Licensed under the Apache License
- Font Awesome Free | Licensed under the Font Awesome Free License
- Sortable.js | Licensed under the MIT License (MIT)
- jquery.matchHeight.js | © 2015 Liam Brummitt | Licensed under the MIT License (MIT)
- Trumbowyg | © 2012-2016 Alexandre Demode (Alex-D) | Licensed under the MIT License (MIT)
- EasyMDE | © 2015 Sparksuite, Inc. | 2017 Jeroen Akkerman | Licensed under the MIT License (MIT)
- Likely | © 2013 Artem Sapegin, 2015 Evgeny Steblinsky, 2015 Ilya Birman | Licensed under the MIT License (MIT)
- PHP Markdown | © 2004-2019 Michel Fortin | Licensed under the BSD-style License