What technologies does Whimsical use?

Whimsical uses Cloudflare DNS, Gmail, Google Apps, CloudFlare Hosting, Webflow. View their full technology stack — including all 26 detected tools — on StackWho.

Who is the Head of Engineering of Whimsical?

Janis Peisenieks is the Head of Engineering at Whimsical. Get verified contact information on StackWho.

Who is the Director of Engineering of Whimsical?

Marcel Huss-Nielsen is the Director of Engineering at Whimsical. Get verified contact information on StackWho.

Where is Whimsical located?

Whimsical is based in Denver, Colorado, United States.

Whimsical

whimsical.com

information technology & services

whimsical.com

Denver, Colorado, United States

11-50 employees

LinkedIn Profile

About Whimsical

diagrams, wireframes, communication, collaboration, mind maps, flowcharts, sticky notes, visualisation, docs, async, projects, project management, issue tracking, virtual whiteboards, saas, enterprise software, internet, software, information technology, software development

Whimsical's Tech Stack

AI/ML

Cloud

Render

Decision Makers at Whimsical

4 contacts

Janis Peisenieks

Head of Engineering

j***@whimsical.com Sign up to view

Marcel Huss-Nielsen

Director of Engineering

m***@whimsical.com Sign up to view

Steve Schoeffel

Co-Founder

s***@whimsical.com Sign up to view

Kaspars Dancis

Co-founder & CEO

k***@whimsical.com Sign up to view

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26 technologies detected · 4 decision makers · Emails available

Sales Outreach Angle

React-based front-ends indicate a modern web engineering stack. Developer tools, component libraries, testing frameworks, and design systems are relevant sales angles.

Whimsical's Position in the StackWho Database

• Whimsical 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).
• 7,829 companies in Colorado are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as Whimsical).

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 Whimsical use?

Whimsical uses Cloudflare DNS, Gmail, Google Apps, CloudFlare Hosting, Webflow, Google Font API, and 20 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Whimsical?

StackWho has verified email addresses for 4 decision makers at Whimsical. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Whimsical directly for sales, recruiting, or partnerships.

What industry is Whimsical in?

Whimsical operates in the information technology & services industry, headquartered in Denver, Colorado, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Whimsical's contact data?

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