Adds a button to feedly.com to open all unread articles in new tabs
https://addons.mozilla.org/de/firefox/addon/feedly-open-all-unread/
https://chrome.google.com/webstore/detail/feedly-open-all-unread/blmhlkddebpmcjihpgbnhiinjfibekkf
SolidAxel/ff-feedly-open-unread
Firefox & Chrome extension for opening all unread items on feedly.com in new tabs
JavaScript