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What is Stacks?

Stacks is a comprehensive hosted CRM and business workspace that integrates a variety of features, such as managing customer records, sales processes, follow-up tasks, email marketing, review solicitations, invoicing, appointment management, support ticket oversight, and time tracking within a single platform. By enabling shared access to customer data and activity logs, it allows solo entrepreneurs, freelancers, and small teams to efficiently manage leads, sales, billing, bookings, and customer service in a collaborative manner. Users can organize contacts and deals, craft marketing emails, request feedback, generate quotes and invoices, showcase their availability, manage support tickets, and track tasks and billable hours seamlessly. The primary plan provides all seven modules for free, allowing unlimited users and contacts, while the complimentary version includes 50 one-time AI credits, with options for paid plans for greater AI usage. Moreover, businesses can easily integrate their own Stripe accounts for payment processing and connect with a variety of supported email services for effortless communication. Additionally, a REST API and MCP endpoint offer scoped access for smooth software integrations, enhancing the platform's functionality. This all-encompassing solution guarantees that users have every essential tool at their disposal to optimize their operations and foster stronger customer relationships, ultimately driving business growth.

What is PennyPuffin?

PennyPuffin is an all-encompassing online business management tool designed specifically for small businesses, service providers, retail establishments, and B2B companies. This platform integrates critical features like invoicing, customer management, CRM, point of sale systems, inventory management, e-commerce, project oversight, appointment scheduling, support ticketing, team collaboration, and accounting into one intuitive interface. Users can choose to activate different modules based on their specific requirements, allowing for efficient management of customers, products, orders, employees, and daily business activities through a centralized system. Moreover, it includes customer portals and business profiles aimed at boosting online presence, allowing clients to find and interact with businesses through bookings, orders, and messaging options. Importantly, the core software is provided at no cost to businesses, supporting an unlimited number of users without charging per-user fees, while tailored modules and implementation assistance are available for a fee determined by individual estimates. This pricing structure promotes flexibility, ensuring that businesses can adapt and expand their operations seamlessly as they evolve. Furthermore, with its robust features, PennyPuffin empowers small enterprises to streamline their workflows and enhance customer satisfaction effectively.

Media

Media

Integrations Supported

Brevo
Model Context Protocol (MCP)
Resend
SendGrid
Stripe

Integrations Supported

Dolibarr
Finago Procountor
Gmail
Google Calendar
Microsoft Entra ID
Microsoft Teams
RustDesk

API Availability

Has API

API Availability

Has API

Pricing Information

$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

Pricing Information

$0
Core tools and modules are free at €0 / $0, with unlimited users and no per-user fees. Optional custom module development and tailor-made implementation help are quoted per project.
Free Version

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Vantage Technologies, LLC

Date Founded

2026

Company Website

stackscrm.com

Company Facts

Organization Name

Archipelago Technics Oy

Date Founded

2010

Company Location

Finland

Company Website

pennypuffin.com/en/

Categories and Features

CRM

Not specified

Categories and Features

CRM

Not specified

ERP

Not specified

Point of Sale

Not specified

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