the little things

A/B Test Calculator

Statistical significance calculator for A/B tests. Sample size planner and results analyzer.

Gradient Generator

Create CSS gradients with visual editor and code export.

Comparison Table Builder

Create feature comparison tables with export to HTML, PNG, and Markdown.

Kaleidoscopic

Upload any image and watch it fold into living geometry. 8 symmetry patterns, real-time WebGL.

Synth Pad

Touch or click and drag to play. An XY pad instrument with pentatonic tuning.

Gravity Type

Type anything and watch it fall. Letters tumble, stack, and scatter with real physics.

a builder's codex

operator insight library

Atomic operator-attributed claims with mechanism, conditions, evidence, signals, counter-evidence. Free to cite. The codex is opinionated about epistemics so you don't have to be.

marker

slides CLI

Render a JSON file as a slide deck. Edit inline, click to add comments, one command to build. Takes 3 minutes, not 30.

chalk

edit-in-place

Writer edits inline. Designer comments on the real page. AI applies. No more doc-to-Figma-to-code transcription.

curiosity

research agent

Ingest any link, auto-analyze topics, surface knowledge gaps, and chase what you care about. Curiosity makes the cat.