Mission Agencies* that Use SS
Donated through our tool in 2019
Minimum Increase in Online Giving*

Online Giving

Site Stacker gives you the tools to intelligently take control of your online fundraising efforts. Our unique approach to web engagement, combined with our beautiful shopping cart experience and our knowledge of what speaks to donors will help you increase online giving on all devices.

How We Do It

Increase Conversion

Client's using Site Stacker see donor conversion rates soar and shopping cart attrition plummet.

One-Click Checkout

Helping donors find your giving opportunities and complete their gift pain-free is essential.

Robust Donor Dashboards

Donors can view giving history, update payment methods, manage recurring gifts and reproduce receipts for themselves.

Donor Management

Powerful CRM Designed for Non-Profits

Site Stacker provides you with powerful, customizable dashboards and reports that allow you to manage online giving, recurring gifts, historic giving, and year-end statements, plus tools that will empower members and donors alike. 
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Business Process Automation

The most innovative faith-based nonprofits in the world use Site Stacker to automate mobilization, member care, child sponsorship, and more.
See It In Action

Beautiful User Interface

Mobile Responsive • Analytical Metrics • Drag and Drop Workflow Tools • Customizable Data Grids

Custom Workflows

Events • Mobilization • Recruitment • Applicant Management • Volunteer Management • Worker Management • Onboarding • Team Mission Trips

Security Focused

Encrypted Source and Highly Secure • Secure Files, Notes, and CRM Data • Customizable Permissioning

Content Management Par Excellence

WMTEK specializes in crafting beautiful digital experiences with Site Stacker. 

Powerful Content Management Tools • Mobile Ready Multi-Device Design

High-Outcome Nurture Pathways • CRM-Integrated Conversion Forms

Integrated Giving and Recruiting System • Enterprise Level Security

Multiple Sites & Site Channels • Multi-Lingual Publishing