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About

LetterFriend is a direct mail and handwritten letter service that helps organizations create personalized, real-handwritten notes, envelopes, and cards, crafted by professional writers rather than fonts, robots, or printers, to cut through digital noise and strengthen customer relationships, referrals, and pipeline growth through high-impact physical outreach. The platform lets users upload contact lists via CSV or integrate with CRM systems, Zapier, or an API to automate and scale campaigns, whether sending thank-you letters, prospecting notes, holiday cards, or other personalized correspondence that is hand-addressed, handwritten, and mailed on behalf of the customer. LetterFriend emphasizes human-touch direct mail with real people in New Jersey writing each word, delivering consistently higher open and response rates compared with typical printed or email outreach, and offers customizable options such as envelopes, sticky notes, signatures, postcards, etc.

About

Sendoso is a leading sending platform that enables businesses to engage with prospects, customers, and employees through personalized, direct mail and digital gifts. It helps organizations enhance their marketing, sales, and customer retention strategies by integrating physical and virtual gifting into their workflows. With Sendoso, companies can automate the sending of items such as branded swag, corporate gifts, personalized notes, and e-gifts, all while tracking engagement and ROI. The platform integrates with various CRM and marketing automation tools, streamlining the entire gifting process. Ultimately, Sendoso empowers businesses to create meaningful connections, boost engagement, and drive results through thoughtful, personalized outreach.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Businesses, marketers, and sales teams that want to boost engagement and response rates by sending scalable, real handwritten letters and direct mail to prospects and customers

Audience

Companies looking to grow revenue faster with a gift sending strategy

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 4.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 5.0 / 5
support 5.0 / 5

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

LetterFriend
Founded: 2010
United States
letterfriend.com

Company Information

Sendoso
Founded: 2017
United States
sendoso.com

Alternatives

Alternatives

Alyce

Alyce

Sendoso

Categories

Categories

Direct Mail Automation Features

A/B Testing
Analytics/Reporting
Campaign Management
Data Import/Export
Delivery Tracking
Design Management
Event Triggered Mailings
List Scrubbing
Mailing List Purchasing
Mailing Services Integration
Pre-made Templates
Printing Services Integration
Response Alerts

Integrations

HubSpot CRM
Salesforce
AppointmentCore
Google Sheets
HubSpot Customer Platform
Influitive
Insightly
Kixie PowerCall & SMS
Lantern
Marketo
Microsoft Dynamics 365
Octane11
Outreach
SAP Cloud Platform
Salesloft
SugarCRM
SurveyMonkey
Truto
Zapier
Zoho CRM

Integrations

HubSpot CRM
Salesforce
AppointmentCore
Google Sheets
HubSpot Customer Platform
Influitive
Insightly
Kixie PowerCall & SMS
Lantern
Marketo
Microsoft Dynamics 365
Octane11
Outreach
SAP Cloud Platform
Salesloft
SugarCRM
SurveyMonkey
Truto
Zapier
Zoho CRM
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