Small things, built to be used.

SP

Spot the Bot

Can you still tell human writing from AI?

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SU

Substack Scraper

Scrape any public Substack — post archives, full content, comments with nested replies, author profiles, and category leaderboards with subscriber-count estimates. No login, 6 modes.

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AS

ASCII Weather

A CLI that fetches current conditions for any city and renders them as colorful ASCII art in the terminal.

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MU

Murmur

Watch three simple rules become a living flock.

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SH

Shove

Endless box puzzles you can always solve

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LE

Lexiscope

See how your writing reads as you type

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DE

Deckhand

Markdown in, one HTML deck out

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QU

Quilt

Any CSV, stitched into a year of squares

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ZU

Zugzwang

A chess engine you can actually read

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SL

Slope

Catch the O(n²) hiding in your code

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SH

Shader Garden

Fork a shader, make a looping GIF

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RA

Ragdoll Rumble

Two-player ragdoll brawls in your browser

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QR

QR Alchemist

QR codes with your art, verified to scan

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GR

Grepwork

The HN who's-hiring thread, finally searchable

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TE

Tesser

Tileable patterns whose seams actually line up

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CH

Chrono Cipher

Decode history, one cipher a day

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CA

Cathode

See, trim, and convert audio in your browser

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TO

Tollgate

Test 402 payment flows without real money

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SI

Signalworks

Write assembly, route signals, golf your cycles

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CI

Circuitle

Match the truth table in the fewest gates

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FI

Fingerprint Radar

See how unique your browser really is

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LA

Layerlens

See which Docker layers rebuild, and why

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ME

Metawipe

See what your photo leaks, then wipe it

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SK

Skillcheck

Catch broken agent instructions before they fail silently

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PH

Phantom Read

See isolation levels break, step by step

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FR

Framepick

Pull the keyframes from any clip, no upload.

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CR

Cronlet

cron, in plain English

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ON

Oneline

Any photo, redrawn as one plottable line

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GI

Gistmap

Map a messy list, nothing leaves your tab

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CV

CVE Radar

Every new CVE, in plain English

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BA

Bankroll

See your real risk of ruin, live

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RU

Runlocal

The exact launch command for your GPU

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UN

Unmask

Reveal the hidden Unicode an LLM reads

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MI

Mitosis Lab

Watch one cell branch into a lineage

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PE

Perigee

Aim once. Real gravity does the rest.

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MO

Molsnap

Paste a SMILES, see the molecule

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BR

Breakeven

See where self-hosting beats the API

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MO

Monotile

Pan an infinite tiling, export it as art

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EP

Epicycle

Draw anything, watch spinning circles retrace it

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PE

Peel

Crack a new obfuscated one-liner every day

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IN

Injection Range

Spot the prompt injection before your agent does

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CO

Codeprint

Your code, drawn as its own circuit board

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PL

Plateau

See which lifts have actually stalled

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BU

Bughunt

Sharpen your debugging, one bug a day

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AL

Almanac

Plain-English dates that know every market holiday

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DI

Diff Poster

Turn a code change into a shareable image

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SI

Sift

The aliases hiding in your shell history

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ST

Stampout

Opt out of data brokers, and stay out

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ST

Statute Watch

State privacy law, tracked as it moves

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BA

Backflow

Drag a slider, watch the gradient flow

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OR

Ornament

One seed themes your terminal, site, and desktop

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CO

Codon

Read a DNA sequence in your browser

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MU

Murmur

Watch simple rules turn into music

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CH

Chalkstep

Watch Scheme recursion rewrite itself, step by step

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SK

Skein

Watch a thousand futures fan out live

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RE

Redline

Catch breaking API changes before you merge

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SY

Syntax Sprint

Type real code. Every bracket counts.

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CH

Chronofuzz

See exactly where your date code breaks

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PO

Porthole

Your certificate chain, at a glance

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SH

Sheaf

Fill one PDF form for a whole list

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EX

Export X-Ray

See what's inside your data export, privately

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LA

Latency Ladder

The memory hierarchy, measured on your machine

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RE

Reflow

See four tiling layouts reflow side by side

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RE

Recon

Watch a robot map the unknown

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DO

Docket Interest

Judgment interest, calculated right for every state

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SE

Setaside

Know what to set aside for taxes

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BU

Burn Rate

Watch your meeting's cost climb live

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CH

Channel Clear

Find the clear channel for your router

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KE

Keyholder

The estate checklist that never leaves your browser

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ST

Strength Stack

See which materials are strongest for their weight

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PR

Provenance

Check if you can train on that dataset

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AP

Apogee

Fling a satellite off a tiny planet and watch real gravity decide

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WA

Waypoint

Resume any Python loop where it stopped

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SN

Snug

The quant that fits your machine, first try

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ST

Statelight

Watch your state machine light up, live

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HO

Hook Doctor

Score your opening line against the classics

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CA

Cable Check

The right USB-C cable, in three taps

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SW

Swapscope

The htmx cheat sheet you watch run

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QU

Quarry

Extract tables from any PDF to clean CSV

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SI

Side B

Turn a playlist into a tape you can hear

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TY

Typebed

See your font pairing in a real interface

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RE

Redline

Compare two Excel files, highlight what actually changed

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RE

Readout

See what an ATS reads. No email.

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TE

Terseql

The daily SQL puzzle where shortest wins

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FL

Flagcraft

A linter for your CLI's --help output

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CO

Coax

See how JavaScript coerces any two values

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ER

Erosion

Watch water carve terrain, live in your browser

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RI

Ringwood

See any GitHub repo's history as growth rings

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SA

Safelog

Keep secrets out of your AI agent's logs

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PI

Pinset

Keep every toolchain pin in agreement

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BR

Branchreel

Branching video on a page you control

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SP

Spigot

See token bucket vs leaky bucket, live

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DA

Darwin's Garage

Evolve a car out of scrap, in your browser

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BI

Bisect

A binary search game you play by eye

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BL

Bluff Call

Play a hand. See the solved move.

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DE

Depthwalk

Watch market orders turn depth into slippage

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PL

Planflare

Postgres EXPLAIN ANALYZE visualizer for faster fixes

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CU

Cutaway

See the render pipeline inside one button

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