CrowdiD2 - modified version of iD
This is the next version of iD for the project Crowdsourcing buildings with Statistics Canada.
https://csbp-cpse.github.io/CrowdiD-Adapted/index.html
https://csbp-cpse.github.io/CrowdiD-Adapted/index-fra.html
iD is available under the ISC License. It includes d3.js, which is BSD-licensed.