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html.contact vs Keel

Keel offers backend services for apps, while html.contact is a specialized form endpoint service.
html.contactTurn HTML forms into email notifications, Slack updates, and signed webhooks.KeelThe backend for your apps, the tools for your teams

Side by side

What it is
html.contact:html.contact turns plain HTML form posts into email, Slack, and signed webhook notifications without building a backend.
Keel:Keel provides a code-first backend platform with instant internal tools, schema-driven APIs, and full-stack operations features.
Best for
html.contact:HTML form backend as a service
Keel:Code-first backend with built-in internal tools
Who it’s for
html.contact:Web developers and teams who need simple form handling on static sites or frameworks.
Keel:Engineers building operational backends and internal tools for fast-moving teams
Pricing
html.contact:Freemium
Keel:Contact sales
Plans
html.contact:Free $0 · Starter $8 per month · Pro $19 per month
Keel:—
Works with
html.contact:Google Sheets, Slack, Webhooks, HTML, Astro, Next.js, React, Vue
Keel:VSCode extension
DevHunt upvotes
html.contact:1
Keel:46
Launched on DevHunt
html.contact:Oct 2026
Keel:Mar 2024

html.contact features

  • Email notifications. Send form submissions directly to verified inboxes.
  • Slack integration. Push new inquiries to a Slack channel of your choice.
  • Signed webhooks. Deliver form data to up to three endpoints with signature verification.
  • Google Sheets export. Automatically add new submissions as rows, creating columns for new fields.
  • Attachment support. Accept one file up to 4 MB per submission.
  • Spam screening & logs. Server-side spam checks and searchable submission history.
  • MCP access. Create, check, and troubleshoot forms via supported AI agents.
  • Domain allowlist. Restrict form submissions to approved domains.
html.contact on DevHunt →Alternatives

Keel features

  • Schema-driven data model. Define data models, actions, and permissions in a clear schema that generates APIs and internal tools.
  • TypeScript extensions. Write custom functions, jobs, and durable functions in TypeScript with full type safety.
  • Version-controlled environments. Create multiple environments, branch deployments, and PR previews with audit trails.
  • Built-in testing framework. Generate type-safe end-to-end tests from the schema for actions, functions, and jobs.
  • Instant internal tools. Automatically generate UI tools for ops teams that stay in sync with schema changes.
  • Serverless infrastructure. Managed, multi-region PostgreSQL and serverless runtime scales from first to millionth user.
Keel on DevHunt →Alternatives

Based on each tool's website and DevHunt data. Details may change; check the official sites.