Extern's tech stack
What does Extern use?
Extern (extern.com) uses at least 42 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Zendesk for customer support. Last checked .
“Professional Experience Anytime, Anywhere.”
- Industry
- Job and Career Services
- Size
- 11–50 employees
- Based in
- San Francisco, United States
- Company page
- Tools found
- 42
- Categories
- 19
- Oldest proven tool
- Jan 2025
- Last checked
- Oct 2026
Extern's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
5 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
8 tools, what the product is built with
Auth & Identity
Backend & Database
Media & UI
Data & Observability
6 tools, what they measure and store
Go-to-market
14 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Sales & CRM
Support & Docs
Company Ops
9 tools, what the team runs on day to day
Email Delivery
Dev Tools
Security & Compliance
What changed at Extern
Companies like Extern also use
Tools common among companies with a similar stack that we haven't found at Extern.
Companies with a stack like Extern's
Ranked by shared tools, with rare tools counting more.
Female InvestFintech · 11–50 people15in common
LanceDBInfrastructure · 11–50 people14in common
SyntheticFiFintech · 11–50 people10in common
UpfortSecurity · 11–50 people9in common
SmartPathConsumer Finance · 11–50 people11in common
Stacksync Inc.Engineering, Product and Design · 11–50 people16in common
heidiClothing · 11–50 people11in common
Pirros Inc.Engineering, Product and Design · 11–50 people20in common
Extern tech stack FAQ
What tools does Extern use?
We've found 42 tools at Extern (extern.com). Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and YouTube. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Meta Pixel, Google Ads and HubSpot. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 2, 2026.
What cloud does Extern run on?
Extern uses Amazon Web Services and Vercel for hosting. We found Amazon Web Services through website code.
What CRM does Extern use?
Extern uses HubSpot for sales and CRM. We found HubSpot through email records and website code.
What email provider does Extern use?
Extern uses Microsoft 365 and Google Workspace for email and documents. We found Microsoft 365 through DNS verification records.
What does Extern use for customer support?
Extern uses Zendesk and Intercom for customer support. We found Zendesk through email records and website code.
What analytics tools does Extern use?
Extern uses Google Analytics, Google Tag Manager and Microsoft Clarity for analytics, among 6 tools in this category. We found Google Analytics through website code.
Does Extern use Microsoft 365?
Yes. We found Microsoft 365 at Extern through DNS verification records. Microsoft 365 is used by 682,807 companies we track.
How does runsonwhat know what Extern uses?
We read public traces only: Extern's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.