Tampermonkey (was greasemonkey) user.js scripts
webcam_cgi_ptz_control.user.js - add PTZ control to image from webcamera, that supported some CGI commands from https://wiki.instar.com/1080p_Series_CGI_List/Complete_CGI_List/
dayscount.js - add green markers to day cells and its count to topright corner of page http://www.consultant.ru/law/ref/calendar/proizvodstvennye