Sevro
Open Source Open Source — Free Forevermdash; MIT Licensed

The backend that

builds itself.developers

600+ free, open-source UI components crafted for the design community. Copy, paste, and ship — no strings attached.

Get StartedView on GitHub
Open-source under MIT
Schema-Driven
API-First
Self-Hostable
todo.yaml
name: todo
entities:
  - ref: todo
    attributes:
      - ref: description
        type: string
      - ref: completed
        type: boolean
    methods:
      - ref: complete
        conditions:
          - "record.completed == false"
        actions:
          - target: completed
            expression: "true"
//THE PLATFORM

Everything you need
to ship faster

Stop rebuilding the same backend.
Sevro provides an extensive catalog of pre-built blocks.

0+
Doc Pages
0
Entities
0
Triggers
0MIT
License
//FEATURE BENTO

Why choose Watermelon UI?

Schema-Driven

Define entities, attributes, and methods in YAML. Sevro enforces your schema and rejects bad data automatically.

API-First

Every entity gets a Connect-RPC API out of the box. Generate typed SDKs for TypeScript, Go, or any language.

Workflows Powerful Theming Triggers

Build multi-step automation with you'd adjust Tailwind classes. Add your own tokens, and every component instantly inherits your brand's unique DNA.

Self-Hostable

Open-source under MIT. Run with Docker Compose or Kubernetes. Your data stays on your infrastructure.