The web browser is the most widely used app on the planet, and there are several open-source takes on the application that you should consider as your default.

According to Sam Altman, your web browser is outdated. “AI represents a rare, once-a-decade opportunity to rethink what a browser can be,” OpenAI’s CEO said yesterday when announcing the company’s latest product: ChatGPT Atlas.

OpenAI on Tuesday unveiled a free web browser that is designed to work closely with the company’s artificial intelligence technologies, including the chatbot ChatGPT. The new browser, called Atlas, is a direct challenge to tech giants like Google, Apple and Microsoft, whose browsers have long dominated the internet.