StacksVantage Technologies, LLC
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Workspace369Workspace369 LLC
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Related Products
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About
Stacks is a hosted CRM and business workspace that brings customer records, sales pipelines, follow-up tasks, email campaigns, review requests, invoicing, appointment booking, support tickets and time tracking into one service. Shared customer records and activity history help solo operators, freelancers and small teams manage leads, sales, billing, bookings and customer support together. Users can maintain contacts and deals, create marketing emails, request feedback, issue estimates and invoices, publish availability, manage tickets, and track tasks and billable time. The core plan includes all seven modules for $0 per month with unlimited users and contacts. Free includes 50 one-time AI credits; an optional paid plan extends AI access. Businesses can connect their own Stripe account for payments and supported email providers for delivery. A REST API and MCP endpoint allow scoped access for software integrations.
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About
Workspace369 is a browser-based client-work platform for agencies, freelancers, consultants, studios and service businesses. It brings client records, requests, proposals, contracts, projects, files, invoices and conversations into one workspace. Teams can send proposals for electronic signature, convert accepted proposals into invoices, accept card payments through client links, organize tasks on boards, schedule work on a shared calendar and add tracked time to invoices. A client portal provides access to proposals, invoices and appointments. The shared inbox keeps client communications together; calls and texts are available on the Voyager plan, while the Specialist plan adds a business phone system and accounting tools. Automated workflows support follow-ups, and Workspace AI drafts messages for human review before sending. It runs in a browser and has iPhone, iPad and Mac apps. Plans include a 14-day free trial.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Solo operators and small teams who want customers, sales, billing and bookings in one place, with room for their team and AI agents.
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Audience
Agencies, freelancers, consultants, studios and service businesses that deliver work to clients.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$0/month
The Free plan costs $0 per month and includes all seven modules, unlimited users and contacts, and 50 one-time AI credits.
Free Version
Supported
Free Trial
Not Supported
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Pricing
$29/month
Plans start at $29 per month. A 14-day free trial is available. Voyager adds calls and texts; Specialist adds a business phone system and accounting tools.
Free Version
Not Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Company InformationVantage Technologies, LLC
Founded: 2026
stackscrm.com
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Company InformationWorkspace369 LLC
Founded: 2025
United States
workspace369.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Model Context Protocol (MCP)
Supported
Stripe
Supported
Brevo
Supported
Gmail
Not Supported
Google Calendar
Not Supported
Microsoft 365
Not Supported
Resend
Supported
SendGrid
Supported
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Integrations
Model Context Protocol (MCP)
Supported
Stripe
Supported
Brevo
Not Supported
Gmail
Supported
Google Calendar
Supported
Microsoft 365
Supported
Resend
Not Supported
SendGrid
Not Supported
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