builder.group
An indie software studio shipping products and open-source tools in public.
Products built under builder.group, from experiments to production
macOS app for focus sessions, app and website blocking, and scheduled breaks
iOS timer app that picks a random end time within a set range
macOS Pomodoro timer with a cat companion and app blocking
iPhone app to pick a color, find 9 matching things, and fill a 3×3 photo grid
iOS keyboard extension with a Bongo Cat tapping as you type
Web tool that generates a set of images where eyes and objects gaze at a moving target
Web app for memorizing lines using first-letter hints
Suite of tools for actor line learning, scene practice, and mock auditions
Open-source, video-first customer support tool
Community and payment platform for creators
Shopify app for deferred shipping and bulk order bundling
Automated YouTube channel posting AI-generated chat conversation videos
Automated YouTube channel posting AI-generated marble music videos
AI tool to automate short-form video content creation
Shopify app with pre-built GDPR and EU energy label compliant UI blocks
Open-source libraries and developer tools in the community monorepo
Typed Express and Hono routes backed by OpenAPI paths and Standard Schema validation
Shared TypeScript, ESLint, Prettier, and Vitest configs for builder.group projects
Provider-free React hooks for feature-state and feature-form subscriptions
Reactive state with computed values and opt-in undo, storage, equality, and queues
Rollup presets for TypeScript libraries with package export discovery and declarations
TypeScript ECS with typed plugins, flexible component storage, queries, and tracking
Typed HTML head metadata extraction for title, meta, link, and custom extractors
Deprecated packages (15)
Validator adapter implementations for Zod, Valibot, Yup, and Standard Schema
Framework-agnostic widget grid model with cell-based layouts and widget data