Apply the power and scale of HubSpot CRM to employee emails.
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Products
Signatures
Email Signatures
Centrally managed, always on-brand.
GCC High Email Signatures
Purpose-built for regulated federal orgs.
Email Signature ROI Calculator
Estimate the time and cost your team could save.
Campaigns
Email Signature Banners
Targeted banners with CRM-triggered creative.
Email Insights & Analytics
Opens, clicks, views — per employee.
Email Signature Generator
Design a free email signature in minutes.
Identity & Compliance
Digital Business Cards
Branded cards for every team member.
Email Compliance
Automated disclaimers and GDPR notices.
Customer stories
All case studies
How American Sound Unified a Fragmented Brand Experience Across 250+ Employees
American Sound, a 70-year-old AV integrator, partnered with Opensense to unify email signatures and digital business ...
How Montgomery County Streamlined Email Signature Management with Opensense
Montgomery County, a U.S. government entity, faced challenges in managing email signatures across its 20 departments....
Empowering Sales Growth: Leveraging Real-Time Insights with Opensense at Five9
Five9, a leading provider of cloud contact center software, reshaped their sales process with real-time email trackin...
Akumin's Unifying Brand Story with Opensense
Akumin, a national leader in comprehensive outpatient radiology and oncology solutions, unified its brand identity ac...
Maximizing Event Impact: Goldcast's Journey with Email Signature Banners
Goldcast, an AI-powered video campaign platform, enhanced its marketing efforts by adopting Opensense for seamless em...
Solutions
For IT
Deploy & govern
For Marketing
Activate the channel
Partners
Integrations & alliances
For Regulated Industries
FedRAMP · GCC High
Compare Tools
vs. Exclaimer & others
For IT Teams
Email Signature Management
Deploy via Outlook add-in in 15 min. No mail routing changes.
Corporate Email Signatures
Company-wide consistency across every device and client.
Microsoft 365 Email Signatures
Entra ID sync, SCIM, SSO. GCC High certified.
Google Workspace Email Signatures
Google Directory sync, signature management, and analytics.
For Marketing Teams
Email Signature Software
Drag-and-drop editor. Marketing owns the creative layer.
Email Signature Banner Campaigns
4–7% avg CTR. CRM-triggered, no IT ticket required.
Email Tracking & Analytics
Impressions, clicks, CTR per campaign and per employee.
Intro to Email Signatures: Your B2B Marketing Channel
Webinar — watch on demand
Partners
Partnerships
Explore Opensense integration and channel partnerships.
Integrations
HubSpot, Salesforce, Marketo, Microsoft 365, and more.
For Regulated Industries
GCC High Email Signatures
FedRAMP High, DFARS, ITAR, CMMC. Purpose-built.
Email Compliance
Auto disclaimers, GDPR, CAN-SPAM. Audit logs included.
Security & Compliance
SOC 2 Type II certified. SSO, SCIM, audit logs.
Compare Opensense
Exclaimer Alternative
What teams evaluate when Exclaimer doesn’t fit.
WiseStamp Alternative
Enterprise governance vs. individual signature tools.
All Comparisons
Full feature comparison hub across all alternatives.
Integrations
Pricing
Resources
Resource Library
Email, compliance & brand governance.
About Us
Who we are and what we’re building.
Case Studies
Results from teams using Opensense.
Brand Guidelines
Logos and assets for partners.
Knowledge Base
Get answers about using Opensense.
Need Support?
Call, chat, or send us a message.
Galleries
Signature inspiration and examples.
Popular use cases and examples
Account-based marketing examples
Complete email signature guide
Webinars
All webinars
The Next Strategic Brand Move: Digital Business Cards
Turn your business card into a powerful marketing channel. Learn how digital business cards can tell your brand’s sto...
First Look: A Tour of the New Opensense Platform
Discover the reimagined Opensense platform—more than an email tool, it's now your dynamic brand, marketing, and sales...
Stop Being the Email Signature Help Desk
See how IT teams standardize email signatures, enforce compliance, and reduce support tickets with centralized control.
A Perfect Match: Scrappy ABM Plays That Win Top Accounts
Spark account based marketing strategies that will help you charm your accounts and find your perfect match.
Drive Revenue with HubSpot + Employee Email: Unlock Limitless Value for Marketing Teams
Learn how to leverage the Opensense + HubSpot integration to transform employee email into a targeted ad channel & ma...
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Surefire email signature integration
Leverage contact data to ensure every email is branded, compliant, and up to date.
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Testimonials
What others are
saying about
Opensense +
Surefire
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