Best of Show HN of Yesterday

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#1 Show HN: Free, in-browser PDF editor

53 points | 43 comments | Mar 28, 2026 | by philjohnson

#2 Show HN: I built an OS that is pure AI

28 points | 36 comments | Mar 28, 2026 | by evanbarke

#3 Show HN: We built a multi-agent research hub. The waitlist is a reverse-CAPTCHA

28 points | 17 comments | Mar 28, 2026 | by LZK

#4 Show HN: QuickBEAM – run JavaScript as supervised Erlang/OTP processes

25 points | 3 comments | Mar 28, 2026 | by dannote

#5 Show HN: A prompt that builds the most capable AI agent system

12 points | 6 comments | Mar 28, 2026 | by fainir

#6 Show HN: Windows 95–style Weather App for iPhone

11 points | 5 comments | Mar 28, 2026 | by web3rb

#7 Show HN: EnterpriseFizzBuzz – 622K lines of production-grade FizzBuzz

7 points | 10 comments | Mar 28, 2026 | by CodeIsMyFetish

#8 Show HN: VizTools – 16 free tools for PMs and freelancers, deliberately no AI

7 points | 0 comments | Mar 28, 2026 | by mizarau

#9 Show HN: Free.ai

5 points | 2 comments | Mar 28, 2026 | by nadermx

Web3 Jobs – Start a career in Web3

Blockchain, Solidity, Smart Contracts and Crypto Jobs

#10 Show HN: a Rust CLI to automatically swap monitor focus based on your gaze

4 points | 2 comments | Mar 28, 2026 | by treexs

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best of all time best of today best of yesterday best of this week best of this month best of last month best of this year best of 2025 best of 2024 yc w26 yc s25 yc w25 yc s24 yc w24 yc s23 yc w23 yc s22 yc w22 yc s21 yc w21 yc s20 yc w20 yc s19 yc w19 yc s18 yc w18 yc all-time 3d algorithms animation android [ai] artificial-intelligence api augmented-reality big data bitcoin blockchain book bootstrap bot css c chart chess chrome extension cli command line compiler crypto covid-19 cryptography data deep learning elexir ether excel framework game git go html ios iphone java js javascript jobs kubernetes learn linux lisp mac machine-learning most successful neural net nft node optimisation parser performance privacy python raspberry pi react retro review my ruby rust saas scraper security sql tensor flow terminal travel virtual reality visualisation vue windows web3 young talents

andrey azimov

by Andrey Azimov