Jack Dorsey, the co-founder of Twitter and CEO of Block, released a free, new open-source messaging app in Apple's App Store ...

Twitter co-founder Jack Dorsey developed Bitchat, a privacy-focused messaging app that works offline via Bluetooth without ...

Now in beta, the Sun Day app prompts you on how to prep for being out and about for your specific skin type and location.

The new app called Sun Day tracks your UV exposure as well as Vitamin D levels. Last week, Dorsey introduced a new Bluetooth ...

Twitter cofounder Jack Dorsey used Goose, Block's AI code editing tool, to develop his new messaging platform. He says it worked within a day.