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Show HN: Knowza.ai – Free 10-question trial now live (AI-powered AWS exam prep)

https://www.knowza.ai/
2•johnnyChiv•1h ago
Hey HN,

A few weeks back I posted Knowza.ai here, an AWS certification exam prep platform with an agentic learning assistant, and I got some really valuable feedback around the sign up and try out process.

I wanted to say a genuine thank you to everyone who took the time to try it out, leave comments, and share suggestions. It made a real difference.

Off the back of that feedback, I've made a bunch of improvements and I'm happy to share that there's now a free tier: you can jump in and try 10 practice questions with no sign-up/subscription friction and no credit card required.

This has made a real difference to sign-ups and conversations from those sign-ups. I've went from ~1% conversation rate on the site to 18%.

Quick recap on what Knowza does: - AWS practice questions tailored to AWS certification exams - Instant explanations powered by Claude on Bedrock - Covers multiple AWS certs

Would love for you to give it another look and let me know what you think. Always open to feedback.

https://knowza.ai

Show HN: Get listed on 20 Launch Platforms simultaneously

https://relistd.com
1•kan101•1m ago•0 comments

Snowflake Cortex AI Escapes Sandbox and Executes Malware

https://simonwillison.net/2026/Mar/18/snowflake-cortex-ai/
1•mdp2021•2m ago•0 comments

AI is making CEOs delusional [video]

https://www.youtube.com/watch?v=Q6nem-F8AG8
1•yoyohello13•4m ago•0 comments

Nvidia DGX Station – The GB300 Grace Blackwell 748 GB VRAM Workstation

https://www.nvidia.com/en-us/products/workstations/dgx-station/
2•car•6m ago•1 comments

Remove your ring camera with a claw hammer

https://www.hamiltonnolan.com/p/remove-your-ring-camera-with-a-claw
1•gpvos•6m ago•0 comments

Commission presents proposal for EU Inc

https://ec.europa.eu/commission/presscorner/home/en
1•Tomte•8m ago•0 comments

Outpost Moved its Servers to the E.U

https://outpost.pub/you-outpost-moved-to-the-e-u/
2•CqtGLRGcukpy•8m ago•0 comments

Optimizing Industrial Energy Saving with On-Site Photovoltaics

https://www.mdpi.com/2673-9941/6/2/12
1•PaulHoule•8m ago•0 comments

FBI is buying location data to track US citizens, director confirms

https://techcrunch.com/2026/03/18/fbi-is-buying-location-data-to-track-us-citizens-kash-patel-wyden/
2•jbegley•9m ago•0 comments

Design Driven Network Automation [video]

https://www.youtube.com/watch?v=EKMKJG1g-lU
1•mrmrcoleman•10m ago•0 comments

APL Cultivations

https://xpqz.github.io/cultivations/Intro.html
1•tosh•10m ago•0 comments

The #1 Reason Engineers Fail Technical Interviews (Data from 20K+ Sessions)

https://snubber.ai/blog/state-of-hardware-engineering-interviews-2026
1•Andreas2202•11m ago•0 comments

How to know if your prayer is accepted

https://aboutislam.net/counseling/ask-the-scholar/prayer/know-prayers-accepted/
2•marysminefnuf•14m ago•1 comments

Ask HN: How are you protecting yourself from skill atrophy?

2•xpnsec•15m ago•2 comments

Verígrafo – Temporal Knowledge Graph over Spain's 330K+ official government docs

https://verigrafo.com/
1•munirjojoverge•15m ago•0 comments

The Little Red Dot

https://idiallo.com/blog/little-red-dot
1•foxfired•16m ago•1 comments

Russia's Novosibirsk declares cattle disease emergency as culls spark protests

https://www.reuters.com/business/environment/russias-novosibirsk-region-declares-cattle-disease-e...
1•embedding-shape•16m ago•0 comments

Claude Is Getting Better. What About Us?

https://pydantic.dev/articles/learning-in-the-age-of-ai
1•curiouska•19m ago•0 comments

The more I work with AI (LLMs) the more disillusioned I become

2•iRespectYui•19m ago•0 comments

Autoresearching Apple's "LLM in a Flash" to run Qwen 397B locally

https://twitter.com/danveloper/status/2034353876753592372
2•m-hodges•20m ago•0 comments

VHS Slipcover Maker

https://vhs.texs.org/en/slipcover?bg=000000.t1.43.0.137.178.110.t1.43.0.137.178.110&pl=0&logo=0&c...
3•colinprince•22m ago•0 comments

Viewpoints Research Institute

https://www.vpri.org
1•gone35•24m ago•0 comments

MoveSmart – AI moving cost estimator trained on 50k completed moves

https://www.movesmart.co/
1•msheier•24m ago•0 comments

Show HN: HF-agents, CLI extension to find the best model/quant for your hardware

https://github.com/huggingface/hf-agents
1•clmnt•24m ago•0 comments

Show HN: Timeliner.cc – Find Historical Connections

https://timeliner.cc/
1•schnau_software•25m ago•0 comments

Trey the Triceratops

https://www.joopiter.com/stories/trey-the-triceratops
1•gmays•26m ago•0 comments

TigerFS – A Filesystem Backed by PostgreSQL

https://tigerfs.io
3•hahahacorn•27m ago•0 comments

Horizon Worlds Is Dropping VR Support, Going Flatscreen-Only

https://www.uploadvr.com/meta-horizon-worlds-dropping-vr-support/
2•tosh•27m ago•0 comments

Aliens.gov

https://defensescoop.com/2026/03/18/white-house-registers-new-alien-gov-domains-ufo-uap/
2•warthog•28m ago•1 comments

Igbo-Ora, the scientific enigma of the 'twin capital of the world'

https://english.elpais.com/international/2026-03-12/igbo-ora-the-scientific-enigma-of-the-twin-ca...
2•bookofjoe•29m ago•0 comments