Stacks

Stacks

Vantage Technologies, LLC
Workspace369

Workspace369

Workspace369 LLC
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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.

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.

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

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

Audience

Solo operators and small teams who want customers, sales, billing and bookings in one place, with room for their team and AI agents.

Audience

Agencies, freelancers, consultants, studios and service businesses that deliver work to clients.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

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

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

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

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 Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

Vantage Technologies, LLC
Founded: 2026
stackscrm.com

Company Information

Workspace369 LLC
Founded: 2025
United States
workspace369.com

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Intervals

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Categories

CRM Supported

Categories

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

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
Claim Stacks and update features and information
Claim Stacks and update features and information
Claim Workspace369 and update features and information
Claim Workspace369 and update features and information