San Francisco, California, United States
11-50 employees

About Twenty

open source & crm, technology, information & internet, open-source crm, notion-inspired interface, ownership of software, workflow automation, self-hosting capability, api and webhook integration, computer systems design and related services, gpl-licensed, crm, security features, cloud services, customizable data model, community-driven software, role-based permissions, data management, visualization tools, extensibility

15 technologies detected · 1 decision maker · 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.

Twenty's Position in the StackWho Database

  • Twenty 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).
  • 53,147 companies in California are in the StackWho database.
  • 74,148 information technology & services companies are in the 11-50 employee range (same size as Twenty).

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 Twenty use?

Twenty uses Cloudflare DNS, Amazon SES, Gmail, Google Apps, CloudFlare Hosting, Mobile Friendly, and 9 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Twenty?

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

What industry is Twenty in?

Twenty operates in the information technology & services industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Twenty's contact data?

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