Mozilla Firefox

https://www.mozilla.org/de/

Download
https://www.mozilla.org/de/firefox/new/

Add-ons

Colorzilla
https://addons.mozilla.org/de/firefox/addon/colorzilla/

Awesome Screenshot
https://addons.mozilla.org/de/firefox/addon/awesome-screenshot-capture-/

Werbeblocker

Adguard
https://addons.mozilla.org/de/firefox/addon/adguard-adblocker/