runsonwhat

Extend's tech stack

What does Extend use?

Extend (extend.com) uses at least 41 tools we can see from public records, including Vercel for hosting, Microsoft 365 for email and documents, Salesforce for sales and Zendesk for customer support. Last checked .

Industry
Software
Size
201–1,000 employees
Based in
San Francisco, United States
Founded
2019
LinkedIn
Company page
Re-check liveVisit extend.com
Tools found
41
Categories
20
Oldest proven tool
Nov 2021
Last checked
Oct 2026

Extend'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

4 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

DNS

Application

8 tools, what the product is built with

Frontend

Auth & Identity

AI

Media & UI

Data & Observability

5 tools, what they measure and store

Monitoring

Analytics

Go-to-market

12 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

12 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

People & HR

Security & Compliance

What changed at Extend

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Amazon CloudFront
  2. Marketo
  3. ReadMe
  4. Okta
  5. incident.io
  6. SafeBase

Hiring at Extend

16 open roles on Extend's public Greenhouse job board, 7 posted in the last 30 days.

Open roles by team

  1. Sales4
  2. Data & AI3
  3. Engineering3
  4. Other2
  5. People2
  6. Finance & Legal1
  7. Operations1

Latest openings

  1. Director of Revenue OperationsSan Francisco, CA · Oct 2026
  2. Senior Data Platform Engineer, Enterprise Merchant IntegrationsRemote · Sep 2026
  3. Manager, Analytics EngineeringRemote · Sep 2026
  4. Account Manager, Enterprise Growth StrategyRemote, U.S. · Sep 2026
  5. Senior Analytics Engineer, Financial Systems EngineeringRemote · Sep 2026
  6. Director, Financial Systems EngineeringRemote · Sep 2026

All openings on Greenhouse →

Checked October 6, 2026.

Companies like Extend also use

Tools common among companies with a similar stack that we haven't found at Extend.

Companies with a stack like Extend's

Ranked by shared tools, with rare tools counting more.

More Software companies

Other Software companies we've checked.

Extend tech stack FAQ

What tools does Extend use?

We've found 41 tools at Extend (extend.com). Edge & Hosting: Cloudflare, Amazon Route 53 and Amazon CloudFront. Application: jQuery, Google Fonts and GSAP. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, Microsoft Ads and Zendesk. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked October 7, 2026.

What cloud does Extend run on?

Extend uses Vercel for hosting. We found Vercel through DNS verification records.

What CRM does Extend use?

Extend uses Salesforce and ZoomInfo for sales and CRM. We found Salesforce through email records and website code.

What email provider does Extend use?

Extend uses Microsoft 365 and Google Workspace for email and documents. We found Microsoft 365 through DNS verification records.

What does Extend use for customer support?

Extend uses Zendesk and ReadMe for customer support. We found Zendesk through email records and website code.

What analytics tools does Extend use?

Extend uses Google Analytics, Google Tag Manager and Hotjar for analytics, among 4 tools in this category. We found Google Analytics through website code.

Does Extend use jQuery?

Yes. We found jQuery at Extend through website code. jQuery is used by 761,720 companies we track.

How does runsonwhat know what Extend uses?

We read public traces only: Extend'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.