PenPal

penpal.me

Berlin, Berlin, Germany

1-10 employees

LinkedIn Profile

About PenPal

app, postcards, dating, chatting, friendship, matching, social networking platforms, community stories, social media, community building, global connections, mail & postal services, emoji sequence verification, online community, b2c, mail delivery times, cultural exchange, user experience, community guidelines, cultural learning

PenPal's Tech Stack

AI/ML

Decision Makers at PenPal

1 contact

Marco Huelsmann

CTO & Co-Founder

m***@penpal.me Sign up to view

Unlock full contact details including verified emails and LinkedIn profiles

Upgrade to Pro

21 technologies detected · 1 decision maker · 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.

PenPal's Position in the StackWho Database

• PenPal is 1 of 1,792 internet companies tracked in StackWho.
• 1,788 internet companies in our database have verified decision-maker emails (100% of the cohort).
• 5,207 companies in Berlin are in the StackWho database.
• 1,045 internet companies are in the 1-10 employee range (same size as PenPal).

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

Frequently Asked Questions

What technology does PenPal use?

PenPal uses MailJet, Gmail, Google Apps, MailChimp SPF, Ruby On Rails, reCAPTCHA, and 15 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at PenPal?

StackWho has verified email addresses for 1 decision maker at PenPal. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach PenPal directly for sales, recruiting, or partnerships.

What industry is PenPal in?

PenPal operates in the internet industry, headquartered in Berlin, Berlin, Germany. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export PenPal's contact data?

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