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Jack Dorsey pumps $10M into a nonprofit focused on open source social media

Twitter co-founder and Block CEO Jack Dorsey isn’t just vibe coding new social apps, like Bitchat and Sun Day; he has also invested $10 million in an effort to fund experimental open source projects and other tools that could ultimately transform the social media landscape. These efforts are funneled through an online collective called “and Other Stuff,” formed in May, whose team includes Dorsey; Twitter’s first employee, Evan Henshaw-Plath; “Calle,” creator of the e-cash platform Cashu; Alex G

Jack Dorsey backs an open-source development collective with $10 million

Jack Dorsey has been back in the news lately after unveiling a pair of new apps he worked on, Bluetooth-based messenager Bitchat and UV exposure tracker Sun Day . The Block CEO put those together under the auspices of a new development collective called "and Other Stuff," a nonprofit that he is backing with a $10 million cash injection through his StartSmall foundation , as TechCrunch reports. The group plans to work on open-source projects, including ones that could become consumer social medi

Jack Dorsey pumps $10 million into a nonprofit focused on open-source social media

Twitter co-founder and Block CEO Jack Dorsey isn’t just vibe-coding new social apps, like Bitchat and Sun Day, he has invested $10 million in an effort to fund experimental open source projects and other tools that could ultimately transform the social media landscape. These efforts are funneled through an online collective called “and Other Stuff,” formed in May, whose team includes Dorsey; Twitter’s first employee, Evan Henshaw-Plath; “Calle,” creator of the e-cash platform Cashu; Alex Gleaso

This New App Wants to Help You Track Your Sun Exposure

The founder of Twitter, Jack Dorsey, has a bright idea that he's released as a beta app for iPhones: Sun Day, for tracking your exposure to the sun. The app is free to testers and so far contains basic information such as sunrise, sunset and the UV index in order to assess a user's potential burn-limit time and, as the app description says, "track your Vitamin D from the sun." Dorsey is currently testing UI updates and a solar noon notification, according to the app notes. In the app, users can

Topics: app burn day dorsey sun

Jack Dorsey Drops His Second New App in a Week

Jack Dorsey is shipping. On Sunday, the Twitter co-founder shared a link on X (formerly Twitter) to a new app called Sun Day, which he claims helps users track their vitamin D intake. It’s the second new app he’s debuted in a week, and it’s all thanks to the help of AI. Sun Day calculates how long users can safely soak up the sun before burning their skin using the UV index of the user’s location, cloud cover, sunrise and sunset times, skin tone, and even what kind of clothes they’re wearing. T

Topics: app day does dorsey sun

Jack Dorsey’s latest app tracks sun exposure

Twitter co-founder Jack Dorsey is on an app-building spree. After releasing a Bluetooth-based messaging app called Bitchat earlier this month, this weekend Dorsey revealed another app called Sun Day that ostensibly helps users track UV exposure and Vitamin D intake. The new app is available via TestFlight on iOS, and its code is on GitHub for anyone to clone. track your (vitamin) D a Sun Day app for Sunday.https://t.co/KKsq3LkLEj — jack (@jack) July 13, 2025 Like other developers, Dorsey i

Jack Dorsey made an encrypted Bluetooth messaging app

is a news writer focused on creative industries, computing, and internet culture. Jess started her career at TechRadar, covering news and hardware reviews. Twitter co-founder and Block Head Jack Dorsey launched a new peer-to-peer messaging app over the weekend called Bitchat that runs entirely over Bluetooth. Bitchat relies on Bluetooth Low Energy mesh networks to send encrypted communications directly to nearby devices without requiring internet or cellular service. “Bitchat addresses the nee

Jack Dorsey’s New Private Messenger App Doesn’t Need an Internet Connection

What has Jack Dorsey, the founder of Twitter (now X) been up to lately? Among other things, creating experimental little projects, like a new private messenger that doesn’t need the internet to function. On Sunday, Dorsey announced the beta launch of a new messaging app that he says relies on mesh networks to pass messages from user to user via the power of Bluetooth technology. The service sounds vaguely like Amazon’s Sidewalk project (which similarly used mesh networks to power IoT devices),

Jack Dorsey’s new bet is a Bluetooth-based WhatsApp competitor that requires no internet

Block CEO and Twitter co-founder Jack Dorsey has announced bitchat, a new experimental peer-to-per messaging app that doesn’t require the internet or even an account to work. Here’s the idea behind it. Protocols, not platforms Ever since TechDirt‘s Mike Masnick released his 2019 paper “Protocols, Not Platforms: A Technological Approach to Free Speech,” Jack Dorsey seems to have truly taken it to heart. That paper led Dorsey to launch the Bluesky project within Twitter (before it was spun out

Jack Dorsey working on Bluetooth messaging app, Bitchat

Block CEO and Twitter co-founder Jack Dorsey wrote in an X post on Sunday night that he spent his weekend creating an app called Bitchat (presumably a combination of the words “bit” and “chat,” and not the other combination of words that it looks like). Bitchat is a messaging app that operates through Bluetooth mesh networks, allowing users to send messages without Wi-Fi or cell reception. Because of Bluetooth’s technical limitations, this kind of app generally only works at a range of around 1

Jack Dorsey launches a WhatsApp messaging rival built on Bluetooth

Twitter CEO Jack Dorsey testifies during a remote video hearing held by subcommittees of the U.S. House of Representatives Energy and Commerce Committee on "Social Media's Role in Promoting Extremism and Misinformation" in Washington, March 25, 2021. Block CEO Jack Dorsey spent the weekend building Bitchat, a new decentralized, peer-to-peer messaging app that works entirely over Bluetooth mesh networks, with no internet, central servers, phone numbers or emails required. The Twitter co-founder