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Tuesday, 21 April 2026 · Global Edition · Updated 05:25 CST
Tech

Show HN: Stripe-no-webhooks – Sync your Stripe data to your Postgres DB

Hey HN, stripe-no-webhooks is an open-source library that syncs your Stripe payments data to your own Postgres database: https://github.com/pretzelai/stripe-no-webhooks . Here's a demo video: https://youtu.be/cyEgW7wElcs Why is this useful? (1) You d

Tech

Show HN: Open-Source SDK for AI Knowledge Work

GitHub: https://github.com/ClioAI/kw-sdk Most AI agent frameworks target code. Write code, run tests, fix errors, repeat. That works because code has a natural verification signal. It works or it doesn't. This SDK treats knowledge work like an engine

Tech

The Singularity will occur on a Tuesday

Article URL: https://campedersen.com/singularity Comments URL: https://news.ycombinator.com/item?id=46962996 Points: 64 # Comments: 23

Tech

Show HN: I made paperboat.website, a platform for friends and creativity

Article URL: https://paperboat.website/home/ Comments URL: https://news.ycombinator.com/item?id=46962871 Points: 20 # Comments: 12

Tech

Semaglutide improves knee osteoarthritis independant of weight loss

Article URL: https://www.cell.com/cell-metabolism/abstract/S1550-4131(26)00008-2 Comments URL: https://news.ycombinator.com/item?id=46962801 Points: 27 # Comments: 4

Tech

Show HN: Rowboat – AI coworker that turns your work into a knowledge graph (OSS)

Hi HN, AI agents that can run tools on your machine are powerful for knowledge work, but they’re only as useful as the context they have. Rowboat is an open-source, local-first app that turns your work into a living knowledge graph (stored as plain M

Tech

Mathematicians disagree on the essential structure of the complex numbers

Article URL: https://www.infinitelymore.xyz/p/complex-numbers-essential-structure Comments URL: https://news.ycombinator.com/item?id=46962402 Points: 58 # Comments: 28

Tech

Simplifying Vulkan one subsystem at a time

Article URL: https://www.khronos.org/blog/simplifying-vulkan-one-subsystem-at-a-time Comments URL: https://news.ycombinator.com/item?id=46959418 Points: 140 # Comments: 43

Tech

Singapore says China-backed hackers targeted its four largest phone companies

The Singaporean government said the China-backed hackers gained "limited access to critical systems" run by the country's top four telecommunication giants, but said they did not disrupt services or steal customers' data.

Tech

Vega raises $120M Series B to rethink how enterprises detect cyber threats

Vega Security raised $120 million Series B, bringing its valuation to $700 million, in a round led by Accel. The company aims to rethink how enterprises detect cybersecurity threats.

Tech

What to know about Netflix’s landmark acquisition of Warner Bros.

Learn more about Netflix's acquisition of Warner Bros., considered the most historic megadeal in Hollywood, as it continues to develop.

Tech

Google expands tools to let users remove sensitive data about themselves from Search

Users will be able to more easily request the removal of results that include private information or non-consensual explicit imagery.

Tech

Trump EPA reportedly seeks to revoke landmark air pollution rule

EPA administrator Lee Zeldin is reportedly expected to repeal the 2009 "endangerment finding" that underpins U.S. climate regulatory efforts.

Tech

YouTubers aren’t relying on ad revenue anymore — here’s how some are diversifying

YouTubers are no longer just creators, and in some cases, their side businesses are growing faster than their channels.

Tech

Hauler Hero collects $16M for its AI waste management software

Hauler Hero has seen its customer base, revenue, and head count double since the company raised its seed round in 2024.

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