Nostalg.io

Nostalg.io has years of experience developing custom Web applications in a variety of programming languages and frameworks. It helps clients achieve reliable, tested, payment solutions fast, and provides services to secure existing Web applications to help achieve PCI compliance. Contact Nostalg.io for a free initial consultation.
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Specifications

Authorize.Net Expertise
Recurring Billing
eCheck.Net
Apple Pay
PayPal
Expertise with
QuickBooks
Programming Language
iOS
PHP
Perl
Python
JavaScript
Swift
Platforms
iOS
Linux / Unix
Mac
Windows
Services
Consulting
Web Development
App Development
System Integration