Sounds like you’re referring to https://thetoucan.app ? Source: over 1 year ago

Toucan launched recently as a marketplace for charitable giving, with funding from (and more importantly, exposure on) Dragon's Den, the UK's version of Shark Tank. If this app captures a meaningful share of individuals' charitable giving, it would be amazing if the company was EA-aligned, such that they were able to encourage giving to more effective charities, and introduce people to the EA community. Source: over 2 years ago

Well you can add Tab for a Cause here in this link https://tab.gladly.io/ Which I hope make it looks like this by the way after opening tabs regularly and getting hearts to do not forget to uhh Donate those hear by clicking the heart icon hope this help! Source: 12 months ago

There great tab for a cause has raised a lot of money for a lot of different charities. Source: 12 months ago

Something related: tab for a cause. You get an ad every time you open a tab. Profits go to charity. https://tab.gladly.io/. Source: about 2 years ago

You might be able to use the browser extension tab for a cause. It displays a few ads whenever you open a web browser. The money from viewing those ads will be donated to the charity of your choice. Source: over 2 years ago

Tab for a Cause isn’t a website, but it’s a chrome extension that keeps track of every new tab you open. They change the default home page on every new tab to their page, where there are several small ads on each page. With every tab, you get a chance to have Tab for a Cause donate that ad revenue to your choice of charity from their preselected list. Source: over 2 years ago