TECH NEWS

HackerNoon Projects of the Week: RecallNote , ACHLS Eternal, Rivver Accountant

Welcome to HackerNoon’s Projects of the Week, where we spotlight standout projects from the Proof of Usefulness Hackathon, HackerNoon’s competition designed to measure what actually matters: real utility over hype.

Each week, we’ll highlight projects that demonstrate clear usefulness, technical execution, and real-world impact - backed by data, not buzzwords.

This week, we’re excited to share three projects that have proven their utility by solving concrete problems for real users: RecallNote, ACHLS Eternal, and Rivver Accountant.

Meet the Projects of The Week

RecallNote

RecallNote is an EdTech solution designed to help students and self-learners fight the forgetting curve through personalized, AI-generated study concepts and spaced repetition.

RecallNote solves the problem of forgetting 70% of lecture material within 24 hours by turning notes into AI-summarized, personalized concepts using Google’s LearnLM, vibrant flashcards, offline storage, and spaced repetition notifications for 50% better retention. It focuses on students and...

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This Plugable portable monitor fixed my single-screen workflow — but one cable rule almost ruined everything for…

I didn't think a second screen would change how I work until I actually used one. For the last few weeks, I've been running the Plugable USB-C Portable Monitor alongside my laptop, and it's quietly become the accessory I'm most annoyed to

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Apple won’t turn on any ‘restricted mode’ for missed lease payments

Emma Roth is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. Apple says it won’t limit the capabilities of devices leased through its new Upgrade program if you miss a payment. In

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AI is storage’s biggest opportunity - and biggest threat

An AI revolution is sweeping through the IT storage world, providing a massively beneficial environment requiring more data to be stored and delivered to AI models and agents, more data to be protected, more data access governance and much better storage operating environments. The downside is that AI can run

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I pitched Chuck Lorre a plan for how Stuart Fails to Save the Universe can retcon The Big Bang Theory and Young Sheldon's biggest mistake — and he's seriously considering it

Even without being directly tied to The Big Bang Theory, there's an incredibly satisfying reason for why fans should invest in new HBO Max spinoff Stuart Fails to Save the Universe: how returnable it is. By that, I mean the comedy series could easily run for five, 10,

Meet the Projects of The Week

RecallNote

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This Plugable portable monitor fixed my single-screen workflow &mdash; but one cable rule almost ruined everything for…

Apple won’t turn on any ‘restricted mode’ for missed lease payments

AI is storage’s biggest opportunity - and biggest threat

I pitched Chuck Lorre a plan for how Stuart Fails to Save the Universe can retcon The Big Bang Theory and Young Sheldon's biggest mistake &mdash; and he's seriously considering it

This Plugable portable monitor fixed my single-screen workflow — but one cable rule almost ruined everything for…

I pitched Chuck Lorre a plan for how Stuart Fails to Save the Universe can retcon The Big Bang Theory and Young Sheldon's biggest mistake — and he's seriously considering it