New Tab Override is described as 'was developed from the ground up as so-called WebExtension. This makes New Tab Override compatible with Firefox 57 and later. Not all options of the previous version are currently available as WebExtension'. There are more than 50 alternatives to New Tab Override for a variety of platforms, including Online / Web-based, Windows, Google Chrome, Mac and Linux. The best alternative is start.me, which is free. Other great apps like New Tab Override are Netvibes (Free Personal), Humble New Tab Page (Free, Open Source), Protopage (Free) and MyFav.es (Freemium).
Netvibes is a multi-lingual Ajax-based personalized start page or personal web portal much like Pageflakes, My Yahoo!, iGoogle, and Microsoft Live. It is organized into tabs, with each tab containing user-defined modules.
Transform your new tab page to something beautiful, and unique. Choose from our array of background providers, customise it to you, and be rewarded with stunning , new backgrounds every time you open a new tab. Select your favourite widgets for an extra touch.