ColdStack

ColdStack

ColdStack.co
Rinda

Rinda

Grinda AI
+
+

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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

Rinda is an AI-powered B2B sales automation platform for export-focused Korean SMEs. It accelerates global outbound by combining sales intelligence, lead generation, and cold email automation in one workflow. Discover relevant buyer companies across 190 countries, build targeted prospect lists, and capture ICP-fit signals, notes, and positioning angles so your team knows why each account matters. Create personalized cold emails and follow-up sequences faster, keep outreach consistent, and run repeatable campaigns without manual tab-hopping or spreadsheet chaos. Built for cross-border selling, Rinda supports multi-market prospecting and multi-language messaging. Typical flow: define ICP -> discover buyers -> qualify -> draft outreach -> send follow-ups -> learn from replies.

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

Export-focused Korean SMEs, B2B sales teams (BD/SDR), and agencies running global lead generation and cold email outreach.

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

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

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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

Grinda AI
Founded: 2023
South Korea
www.rinda.ai/

Alternatives

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Categories

Categories

Integrations

Gmail
Slack

Integrations

Gmail
Slack
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