ColdStack

ColdStack

ColdStack.co
+
+

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About

Stop losing deals in the 2-hour window between lead reply and your response. ColdStack brings every cold email reply from Instantly, Smartlead, and EmailBison into a single Slack channel where your team can see and act instantly. Each reply triggers a real-time notification with full engagement context—who opened what, when, and how many times. Your team replies directly from Slack, and ColdStack syncs everything back bidirectionally to your source platform. No more toggling between dashboards, Gmail, and Slack. Built for cold email agencies and sales teams who live in Slack. Mobile-ready through Slack's app.

About

MorphyMail Cold Email Suite is a lifetime-licensed cold outreach stack for businesses, agencies, founders, and sales teams that want to avoid recurring software subscriptions. It combines cloud email campaign management, unlimited subscriber lists, SMTP infrastructure, email verification, prospect finding, inbox warmup, WhatsApp CRM, sales templates, campaign analytics, and deliverability setup guidance including SPF, DKIM, DMARC, and reverse DNS. Users can build targeted lists, verify contacts, manage sequences, monitor opens and clicks, and handle replies from one platform. MorphyMail also offers managed campaign services and onboarding support. Lifetime licensing covers the stated software licences and initial setup; recurring infrastructure and third-party usage may be separately payable where applicable.

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

B2B companies

Audience

Small businesses, B2B sales teams, lead-generation agencies, founders, affiliate marketers, consultants, recruiters, and organizations that need scalable cold email outreach, prospect research, verification, deliverability tools, and campaign management.

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

No images available

Screenshots and Videos

No images available

Pricing

No information available.
Free Version
Free Trial

Pricing

$249 one-time
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

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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

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

ColdStack.co
Founded: 2025
United States
www.coldstack.so/

Company Information

MorphyMail
Founded: 2009
United Kingdom
www.morphymail.com

Alternatives

Alternatives

PrimaryHub

PrimaryHub

Voltic
Rubedo

Rubedo

Rubedo.ai

Categories

Categories

Integrations

Gmail
Slack

Integrations

Gmail
Slack
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