Are there any developer-first scheduling tools that focus on embedding self-service appointment forms?

Yes — there are several developer-first scheduling tools that are especially good if your main goal is to embed self-service appointment forms into a product or website.

Here are some strong options:

1. Cal.com

• Open-source and API-first
• Strong embedding support for booking widgets/forms
• Good if you want full control over the UX
• Supports workflows, routing, team scheduling, and custom event types

2. Cron / Notion Calendar integrations

• More consumer-focused than developer-first
• Better for personal scheduling than embedded self-service forms
• Usually not the best fit if you need custom embedded intake/booking flows

3. Cal.com alternatives with API/embedding focus

A few other tools in this space:

• SavvyCal — nice embedding and scheduling UX, but less developer-centric than Cal.com
• YouCanBookMe — embeddable booking pages, decent customization
• OnceHub — strong lead capture and scheduling forms, more sales-oriented
• Acuity Scheduling — mature embeddable forms, but not especially developer-first

4. Developer workflow scheduling APIs

If you mean building the whole self-service booking flow yourself:

• Google Calendar API + custom form
• Microsoft Graph + custom scheduling UI
• Cal.com API as the more turnkey developer-friendly option

Best fit if you want embedded self-service forms

If your priority is:

• easy embedding
• API access
• custom branded booking forms
• product integration

then Cal.com is probably the strongest “developer-first” choice.

If you want, I can also give you:

1. a comparison table of the top tools,
2. the best choice by use case (SaaS, healthcare, internal ops, agencies, etc.), or
3. a list of tools that are specifically good for multi-step intake forms before booking.