What technologies does OpenApp use?

OpenApp uses Route 53, Gmail, Google Apps, Amazon AWS, WordPress.org. View their full technology stack — including all 10 detected tools — on StackWho.

Who is the CTO of OpenApp?

Con Hennessy is the CTO at OpenApp. Get verified contact information on StackWho.

Who is the Founder, CEO of OpenApp?

Witold Ferenc is the Founder, CEO at OpenApp. Get verified contact information on StackWho.

Where is OpenApp located?

OpenApp is based in Warszawa, woj. mazowieckie, Poland.

OpenApp

open-routing.com

information technology & services

open-routing.com

Warszawa, woj. mazowieckie, Poland

1-10 employees

LinkedIn Profile

About OpenApp

payments, grocery, ecommerce, fintech, checkout, technology, information & internet, contactless payments, logistics automation, mobile app, payment solutions, mobile app development, customer experience, b2c, online shopping, services, customer service, d2c, retail, payment processing

OpenApp's Tech Stack

Decision Makers at OpenApp

2 contacts

Con Hennessy

CTO

c***@openapp.ie Sign up to view

Witold Ferenc

Founder, CEO

w***@open-app.com Sign up to view

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10 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

OpenApp's Position in the StackWho Database

• OpenApp is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 2,024 companies in woj. mazowieckie are in the StackWho database.
• 97,391 information technology & services companies are in the 1-10 employee range (same size as OpenApp).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does OpenApp use?

OpenApp uses Route 53, Gmail, Google Apps, Amazon AWS, WordPress.org, Varnish, and 4 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at OpenApp?

StackWho has verified email addresses for 2 decision makers at OpenApp. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach OpenApp directly for sales, recruiting, or partnerships.

What industry is OpenApp in?

OpenApp operates in the information technology & services industry, headquartered in Warszawa, woj. mazowieckie, Poland. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export OpenApp's contact data?

Yes. StackWho Pro members can export decision maker contact data for OpenApp and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.