Code-First CMS For Newsletters
The CMS for
Newsletters
Build blocks with React Email and Tailwind CSS,
and compose newsletters in a simple admin interface.
Why we built Celaro
Build a system of blocksand let anyone send newsletters with confidence
We built Celaro because shipping newsletters meant choosing between two bad options. Developer-heavy tools created bottlenecks. Marketing-heavy tools led to broken formatting and inconsistent designs.
Typed blocks in your codebase
Code-First
For Developers
Build blocks in code right from your IDE.
Typed Blocks
CLI
Generate with AI
Visual editing for your team
Content-First
For Marketers
Let your team focus on content, not code.
Live Preview
Reusable Content
Consistent Quality
Newsletters For
The Modern Web
Work with your favorite tools