Compare
html.contact vs Keel
Short answer: Pick html.contact if you want HTML form backend as a service; pick Keel if you want code-first backend with built-in internal tools. html.contact has a free plan, paid from $8/month.
html.contactTurn HTML forms into email notifications, Slack updates, and signed webhooks.
KeelThe backend for your apps, the tools for your teamsWhich to pick
Pick html.contact if you want…
- HTML form backend as a service
- Integrations with Google Sheets, Slack or Webhooks (on html.contact's list, not Keel's)
Pick Keel if you want…
- Code-first backend with built-in internal tools
- App backend platform
- Open-source code (teamkeel/keel on GitHub)
- Integrations with VSCode extension (on Keel's list, not html.contact's)
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
- Starting price
- html.contact:$8/month (Starter)
- Keel:—
- Free plan or trial
- html.contact:Free plan (Free)
- Keel:—
- Plans
- html.contact:Free $0 · Starter $8 per month · Pro $19 per month
- Keel:—
- Open source
- html.contact:—
- Keel:Yes
- Works with
- html.contact:Google Sheets, Slack, Webhooks, HTML, Astro, Next.js, React, Vue
- Keel:VSCode extension
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.
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.
html.contact vs Keel FAQ
What is the difference between html.contact and Keel?+
Keel offers backend services for apps, while html.contact is a specialized form endpoint service.
Should I use html.contact or Keel?+
Pick html.contact if you want HTML form backend as a service or integrations with Google Sheets, Slack or Webhooks (on html.contact's list, not Keel's). Pick Keel if you want code-first backend with built-in internal tools, app backend platform or open-source code (teamkeel/keel on GitHub).
Is html.contact or Keel free?+
html.contact has a free plan; paid plans start at $8/month (Starter).
Is html.contact or Keel open source?+
Keel is open source (teamkeel/keel on GitHub). DevHunt has no public source repository on record for html.contact.
Do html.contact and Keel integrate with the same tools?+
Their integration lists don't overlap: html.contact lists Google Sheets, Slack, Webhooks, HTML and 10 more; Keel lists VSCode extension.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.