Tech Stack Modernization

We help organizations move applications to the modern web from desktop, legacy plugins (Flex, Silverlight, ActiveX, Java), and older approaches (JSP, pre-ES6).

We find the right mix of architecture, approach, process, tools, frameworks, and expertise to make your migration a success.

Modernize your Web Apps!
Hybrid Mobile App Development

Solution Expertise

Trusted by the Enterprise

About SitePen

Modernizing Apps, Tools & Teams

SitePen pioneered Enterprise JavaScript by creating a first-of-its-kind open source JavaScript framework that scales and sustains some of the world’s largest web applications - and this before the advent of the modern browser. Today, we continue to engineer performance-driven apps for companies like IBM, Intuit & Marriott, maintaining our foothold at the forefront of the modern web. Expect our deliverables to contain experience-based solutions, the highest quality code, and a demonstrated commitment to your success.

See our work