A space for prayer requests. All Christians welcome.
Open Prayer Wall →Pick a tool below to try it, or read the story behind it.
Go to updates ↓No favorites yet — tap the star on any tool and it will wait for you here.
A space for prayer requests. All Christians welcome.
Open Prayer Wall →Record a meeting in the browser and get a transcript plus structured minutes — key points, decisions, and action items with owners. For video calls it captures your computer’s own audio alongside the microphone. Korean and English understood together, in the same meeting.
Open Meeting Notes →A sports management / general manager game — you are handed five billion dollars and buy a sports franchise. One decision a week — signings, sponsors, stadiums, scandals — across eight invented leagues, with a fanbase that can take the club off you.
Open Sports Owner →포트폴리오 관리 · 투자 위험도 분석 도구 — 보유 종목을 넣고 버튼 하나. 내가 얼마나 위험을 지고 있는지, 어떤 투자자인지, 지금 무엇을 사면 좋을지 알려줍니다. 국내외 주식·ETF 모두 지원.
Open 투자 성향 테스트 →A live market risk / recession indicator dashboard — Treasury yields, credit spreads, the equity risk premium, r minus g — each scored by how close it sits to its danger point, next to what it read in 2000, 2008 and 2020, plus the multi-reading signatures behind past crises.
Open MarketDanger →A football manager / soccer management game — no visible attributes, ever. Build a squad through stats and staff opinions, run real weekly training, and read results in a swipeable Week Report.
Open Touchline →Learn and practise Spark SQL in the browser — ten short modules, then 34 business-framed exercises against a realistic warehouse, with a cheat sheet one click away.
Open QueryDojo →수도권 지하철에서 어디에 서 있어야 빨리 앉을 수 있는지 알려주는 도구 — 출구가 아니라 좌석 기준. 한국어 전용.
Open KoreanMetroSeat →Predicts what will trend in Korea next week and next month — an early-warning radar for creators hunting the next big thing. Fully in Korean.
Open Trender →Chess with a twist — ResetChess (moves snap back if legally possible) and TwoChess (two moves per turn) — play against a light AI bot.
Open SpecialChess →Compare US and Korean ETFs — overlap, duplicate holdings, fees, dividends, top-by-size rankings, style-based suggestions, and a Ray Dalio All Weather portfolio builder.
Open ETF DNA →One shared "learn something today" board — a 5-minute, 1-2-3 read on a new subject each day, sourced from Wikipedia.
Open EducateMe →A rolling live feed of world news from CNBC, BBC, and the Guardian — no login, no algorithm.
Open NewsToday →Record a few seconds of speech — get back a unique, installable font drawn from your voice.
Open Voice2Font →Record your voice — get a personal RGB/hex color palette, refined with a 5-question preference survey.
Open MyColor →Click where it hurts (or pick a condition) and get general self-care info, common causes, and a clear sense of whether it's worth seeing a doctor.
Open DoctorLite →What is on my mind as I create this.
SlowAcorn is a solo-built collection of small, free web tools — no company, no team, just one person shipping something new every so often. Each tool starts from a real question (where should I stand on the subway to get a seat? what does my voice look like as a font? how much do two ETFs actually overlap?) and turns into a small working app, built end to end and released for anyone to use.
There's no login, no subscription, and no data resold to anyone. A few tools use short-lived voice recordings that are deleted right after processing; the rest run on public data (Wikipedia, RSS news feeds, official Korean transit data, ETF holdings) refreshed on a schedule. Most tools are in English, with a few — like KoreanMetroSeat and Trender — built specifically for Korean commuters and creators.
New agents land here as they're finished. See the story behind the project or the privacy policy for details on what data (if any) each tool touches.