SyncSignature

Build a web app that lets individuals create email signatures and lets company admins deploy and manage branded signatures across their entire organization, sold on a freemium subscription model.

Product:
- Drag-and-drop signature editor with live preview, supporting logo, headshot, social icons, banners and contact details
- Library of 100+ signature templates filterable by style: minimal, creative, professional and promotional
- Admin dashboard to create signature templates, assign them by department or role and push updates to all employees in one click
- Directory sync that pulls employee names, titles, phone numbers and photos from the connected workspace and keeps signatures current as staff join, change roles or leave
- Banner campaign scheduler that rotates promotional banners across employee signatures, targeted by team, with start and end dates
- Signature analytics tracking banner clicks and CTA performance per campaign
- Customer accounts with role-based access so admins and employees each see only what they need
- 7-day free trial with no credit card required; free plan available for individual users

Billing:
- Free plan for individuals; Solo plan at $6/mo; Teams plan at $2/user/mo with a 5-seat minimum; custom pricing for agencies; all paid plans charged via Stripe.

Integrations:
- Google Workspace (Admin SDK Directory API and Gmail sendAs API) and Microsoft 365 (Microsoft Graph API for Entra ID directory reads and Outlook add-in deployment via Centralized Deployment), connected with the customer's own credentials; Calendly link embedding in signatures.