Balsamiq - sgml/signature GitHub Wiki
https://en.wikipedia.org/wiki/Website_wireframe
https://balsamiq.com/wireframes/desktop/docs/bmpr-format/
https://blog.balsamiq.com/new-file-extension-bmml/
https://balsamiq.com/wireframes/mybalsamiq/faqs/movingmockupstonewprojects/
https://medium.com/@emenoh/balsamiq-mockups-3-you-re-dead-to-me-baf2f68d67fc
https://github.com/waqasilyas/json-converter-bmpr
https://www.oit.va.gov/Services/TRM/ToolPage.aspx?tid=7749
https://balsamiq.com/wireframes/cloud/docs/shortcuts/
https://balsamiq.com/wireframes/cloud/docs/editing-controls/
https://blog.balsamiq.com/category/release-notes/