active forks

* https://github.com/CNDLS/annotator 50 commits ahead
* https://github.com/ruanjf/annotator2 13 commits ahead
* https://github.com/wallabag/annotator 4 commits ahead
* https://github.com/rede-y/annotator 3 commits ahead

via https://techgaun.github.io/active-forks/#https://github.com/openannotation/annotator