🔥 Top 10 Hacker News Posts

Fetched via Hacker News API • April 28, 2026

#1

Localsend: An open-source cross-platform alternative to AirDrop

⭐ 465 💬 164 👤 bilsbie
Localsend is an open-source, cross-platform file transfer tool that works like AirDrop across Android, iOS, Windows, macOS, and Linux. Files are sent directly between devices on the same local network via encrypted connections — no internet connection or cloud storage required.
#2

AI uncovers 38 vulnerabilities in largest open source medical record software

⭐ 37 💬 26 👤 mmsc
Security firm Aisle used AI-assisted analysis to discover 38 critical vulnerabilities in OpenEMR, the world's most widely adopted open-source electronic health record platform serving over 100,000 providers and 200 million patients. The findings underscore growing concerns about AI-powered threats to healthcare infrastructure.
#3

Microsoft VibeVoice: Open-Source Frontier Voice AI

⭐ 198 💬 128 👤 tosh
Microsoft has open-sourced VibeVoice, a frontier-level voice AI model capable of high-quality speech synthesis and voice cloning. The project aims to make advanced voice AI accessible to researchers while addressing safety concerns around deepfake audio.
#4

Google and Pentagon reportedly agree on deal for 'any lawful' use of AI

⭐ 88 💬 58 👤 granzymes
Google and the U.S. Department of Defense have reportedly reached an agreement allowing Google's AI systems to be used for classified work on any lawful purpose. The deal reflects the Pentagon's increasing reliance on commercial AI for national security applications.
#5

Show HN: Live Sun and Moon Dashboard with NASA Footage

⭐ 81 💬 19 👤 beeswaxpat
Lumara is an open-source dashboard displaying live NASA footage of the Sun, Moon, and Earth alongside real-time space weather data. It pulls from NASA's SDO and DONKI cameras while calculating astronomical data using professional-grade algorithms.
#6

Your phone is about to stop being yours

⭐ 188 💬 94 👤 doener
The KeepAndroidOpen campaign warns that users are increasingly losing control over their devices as manufacturers and Google tighten restrictions on custom ROMs, sideloading, and system modifications. The piece argues modern Android is trending toward locked-down, subscription-dependent devices.
#7

FCC Funding Application Notes Paramount Will Be 49.5% Foreign-Owned Post-Merger

⭐ 50 💬 13 👤 throw0101c
In its FCC application related to the Warner Bros. Discovery merger, Paramount disclosed the combined entity would be 49.5% foreign-owned, raising potential national security concerns under U.S. communications regulations and highlighting regulatory hurdles for mega-media mergers.
#8

Anthropic Joins the Blender Development Fund as Corporate Patron

⭐ 117 💬 90 👤 Philpax
Anthropic has joined the Blender Development Fund as a Corporate Patron, contributing financially to the continued development of the open-source 3D creation suite. The donation supports Blender's ongoing real-time rendering, AI-assisted tools, and community-driven features.
#9

Deep under Antarctic ice, a long-predicted cosmic whisper breaks through

⭐ 66 💬 29 👤 rbanffy
Researchers using the IceCube Neutrino Observatory deep beneath Antarctic ice have detected 13 mysterious bursts of high-energy cosmic neutrinos matching predictions of 'strangelets' — hypothetical exotic particles never before observed. The detection could represent a breakthrough in understanding exotic matter from extreme cosmic environments.
#10

Laguna XS.2 and M.1

⭐ 9 💬 3 👤 tosh
A deeper dive into Laguna by Poolside AI, exploring their approach to AI development and infrastructure. The post covers technical details about their model architecture and systems.