Transactional email themes for React Email
Complete email systems you copy into your repo
Transactional email collections with shared layout, brand config, and design tokens. Copy a theme into your project and own every template.
Initialize letterkit
$ npx @letterkit/cli@latest init
Install a theme
$ npx @letterkit/cli@latest theme add beacon
Themes
Browse collections and open the studio
Beacon
For SaaS that handles money like it matters.
Confident fintech feel. Forest signature, mono numerals, structured billing layouts. Built for receipts, invoices, and payment lifecycle.
Open studio →Foundry
Editorial weight. Zero ornament.
Dark-first brutalist editorial. For dev tools, changelogs, and SaaS that means it.
Open studio →Grundy
Quiet, confident, modern.
A minimal serif-meets-mono theme with cream backgrounds, ink typography, and terracotta accents. Typography-driven, no illustrations.
Open studio →Sensei
137 SaaS email templates. One design system.
Complete SaaS email suite — auth, billing, onboarding, notifications, team, integrations, and more. White canvas, blue accents, mock-ready previews.
Open studio →Complete collections
Every category your product needs — not one-off templates scattered across folders.
Shared design system
Brand config, tokens, and lifecycle components keep every email visually consistent.
Copy, own, edit
Templates live in your codebase. No runtime dependency on letterkit.