Looking for logging into the Tvheadend-testing site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Tvheadend-testing site. After that you can login as usual with your login credentials.
https://tvheadend.org/boards/5/topics/9186?r=20365
https://tvheadend.org/boards/5/topics/20710?page=2
https://www.kodinerds.net/index.php/Thread/57025-Kein-Login-auf-der-Synology-m%C3%B6glich-Tvheadend/
http://syno.dierkse.nl/
https://forum.synology.com/enu/viewtopic.php?t=115406
https://www.synology-forum.de/showthread.html?72899-TVHeadend-kein-Login-m%C3%B6glich
http://www.rapisoluzz.de/2016/02/tvheadend-auf-dem-synology-nas.html
https://github.com/SynoCommunity/spksrc/issues/3100
https://github.com/SynoCommunity/spksrc/issues/2839
https://www.synology-forum.nl/index.php?topic=26678.0
https://kodi.wiki/view/Tvheadend
https://wiki.archlinux.org/index.php/Tvheadend
http://forum.xbian.org/thread-3592.html