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About

Scalestack is an agentic, enterprise-grade GTM Ops automation platform that helps teams know who to target, at scale, all the time. Their vision is simple: manual and repetitive tasks should be processed by machines, so that instead of scrambling to clean and find data, GTM people focus on using the data, everywhere it is needed. The goal: drive more revenues, and productivity for sales and marketing teams. Scalestack is not another data source companies need to "add" to their stack - but an orchestration layer that helps them run your GTM Ops and data, automatically through semantic data-waterfall workflows; AI agents to research and validate data; integrations across systems; CRM data enrichment, hygiene, and prioritization capabilities. The platform doesn’t require them to learn new things, or hire agencies to do anything: it does it all, as their own AI GTM engineer.

About

Sixtyfour is an AI-powered research platform that enables businesses to deploy custom agents capable of discovering, enriching, and analyzing data about people and companies in real time through a programmable API. It automates traditionally manual research workflows by sourcing information from public and proprietary data sources, extracting structured insights, and delivering them instantly for use in sales, recruiting, or strategic decision-making. Developers and teams can use the platform to enrich leads, map entire markets, and detect dynamic signals such as hiring trends, leadership changes, funding events, and technology adoption, all tailored to specific criteria. Its agents act as intelligent research assistants that continuously gather and update relevant information, allowing users to define exactly what data they need rather than relying on static datasets or generic filters.

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

Teams looking for a solution to improve sales productivity and automate their operations

Audience

Sales, recruiting, and go-to-market teams who need automated, real-time intelligence to identify, enrich, and act on high-quality leads and market opportunities

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

On demand. Not offered by user seat or licence.
Scalestack offers an enterprise custom solution
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

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

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

Pros & Cons from Real Users

Pros

  • We’ve been using Scalestack to automate data enrichment and lead prioritization, and the time savings have been game-changing. In the time it took a sales rep to manually update two contacts, Scalestack automatically enriched and updated 370 rows—with complete, accurate data. The platform seamlessly integrates with our CRM, eliminating manual data cleanup and ensuring our team focuses on selling, not spreadsheet maintenance. Scalestack works like an autonomous AI engineer, running in the background to keep our GTM ops streamlined—without needing to hire someone to exclusively manage it.

Cons

  • The real value comes from large-scale automation—if your company doesn’t process a high volume of accounts, you might not see the same ROI. Although it eliminates manual data work, setting up workflows and integrations requires some initial effort to get right. If you're used to traditional data management, there’s an adjustment period.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Scalestack
United States
scalestack.ai/

Company Information

Sixtyfour
Founded: 2025
United States
www.sixtyfour.ai/

Alternatives

Alternatives

Categories

Categories

Sales Intelligence Features

CRM Integration
Data Cleaning
Data Enrichment
Data Import/Export
Data Mining
Data Verification
Email Integration
Lead Scoring
List Building
Performance Management
Pipeline Management
Predictive Modeling/Analytics
Prospecting Tools
Reporting/Analytics
Sales Forecasting

Revenue Operations Features

Account Health Dashboard
AI Insights
Automatic CRM Updates
Contact / Activity Tracking
Revenue Dashboard
Revenue Intelligence / Reporting
RevOps Automation
Sales Analytics
Sales Forecasting
Third-Party Data Aggregation

Integrations

Apollo
Captain Data
Claude
Claude Fable 5
Claude Opus 4.1
Claude Opus 4.7
Claude Opus 4.8
ContactOut
Datagma
Dropcontact
Firecrawl
Harmonic.ai
HitHorizons
HubSpot CRM
HubSpot Customer Platform
Intellizence
Microsoft Excel
PhantomBuster
Snowflake Cortex AI
Swordfish

Integrations

Apollo
Captain Data
Claude
Claude Fable 5
Claude Opus 4.1
Claude Opus 4.7
Claude Opus 4.8
ContactOut
Datagma
Dropcontact
Firecrawl
Harmonic.ai
HitHorizons
HubSpot CRM
HubSpot Customer Platform
Intellizence
Microsoft Excel
PhantomBuster
Snowflake Cortex AI
Swordfish
Claim Scalestack and update features and information
Claim Scalestack and update features and information
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Claim Sixtyfour and update features and information