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

Overloop is an AI-powered sales prospecting platform designed to help sales teams find and engage ideal prospects without manual effort. The platform automatically sources leads from a database of 450M+ verified B2B contacts based on your ideal customer profile criteria, then uses AI to write hyper-personalized cold emails and LinkedIn messages by analyzing each prospect's website and social presence. Multi-channel outbound campaigns combine email and LinkedIn outreach with automated follow-ups, all running on autopilot. Built-in deliverability tools including email warmup and verification ensure messages reach inboxes, not spam folders. A unified conversation inbox centralizes all prospect replies in one place. Smart segments automatically group prospects based on custom filters, while visual workflows eliminate repetitive tasks. Campaign analytics track opens, clicks, replies, bounces, and conversions, with industry benchmarking to optimize performance. AI-generated content supports

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

Multi-channel outbound platform that helps companies to handle their sales pipeline and track their performances

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

Pricing

No information available.
Free Version
Free Trial

Pricing

$69 per user per month
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

Overloop
Founded: 2015
Belgium
overloop.com

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Categories

Categories

CRM Features

Calendar/Reminder System
Call Logging
Document Storage
Email Marketing
Internal Chat Integration
Lead Scoring
Marketing Automation Integration
Mobile Access
Quotes / Proposals
Segmentation
Social Media Integration
Task Management
Territory Management

Integrations

Gmail
Slack
Calendly
Google Chrome
Google Workspace
HubSpot CRM
LinkedIn
Microsoft 365
Microsoft Outlook
Pipedrive
Pipedrive Dealbot
Salesforce
Zapier
Zoho CRM

Integrations

Gmail
Slack
Calendly
Google Chrome
Google Workspace
HubSpot CRM
LinkedIn
Microsoft 365
Microsoft Outlook
Pipedrive
Pipedrive Dealbot
Salesforce
Zapier
Zoho CRM
Claim ColdStack and update features and information
Claim ColdStack and update features and information
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