Framework-agnostic TypeScript utilities for Delightstack — the DelightError error class, reactive Svelte 5 helpers, attachments, and DOM utilities.

Delightstack Svelte 5 component library — accessible actions, forms, media, navigation, feedback, and display components.

AI helpers for Cloudflare Workers — embeddings, AI Gateway, and a reactive streaming client built on the Delightstack database and websocket layers.

Delightstack global CSS — OKLCH design tokens, color scales, and base styles.

Real-time WebSocket presence and messaging for Cloudflare Durable Objects, with a reactive Svelte client over Comlink.

Image processing for Cloudflare — on-the-fly variants, face-aware cropping, thumbhash placeholders, and PDF/SVG handling via Cloudflare Containers + Sharp.

Reactive SQLite for Cloudflare Durable Objects — typed schema, client/worker sync over Comlink, and a built-in full-text search engine.

Stripe billing for Cloudflare Workers and SvelteKit — products, metered usage, webhooks, and subscription guards.

Real-time presence for Svelte 5 — online roster, live cursors, cursor chat, reactions, and field presence, layered on a swappable transport/identity.

Edge-native authentication for Cloudflare Workers — JWT sessions, Argon2id password hashing, OAuth, passkeys (WebAuthn), and SvelteKit guards, backed by Durable Objects.

Collaborative document storage for Cloudflare Durable Objects — a Loro CRDT wrapper with an append-only op log, derived edit sessions, named checkpoints, time travel and compaction.

Zero-dependency diffing — word-level and line-level Myers text diff, plus key-based structural diff with move detection.

A delightful rich text / block editor for Svelte 5 built on ProseMirror — slash commands, drag & drop blocks, magnetic resize, optimistic uploads, and an extensible block system.

Sliding-window rate limiting for Cloudflare Durable Objects.