Default's tech stack
What does Default use?
Default (default.com) uses at least 47 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Google Analytics for analytics. Last checked .
“Default is AI infrastructure for revenue teams. It unifies go-to-market data and lets agents turn plain-language requests into working systems for routing, scheduling, workflows, and reporting across the revenue stack.”
- Industry
- Software
- Size
- 11–50 employees
- Based in
- New York, United States
- Founded
- 2021
- Company page
- Tools found
- 47
- Categories
- 19
- Oldest proven tool
- Mar 2022
- Last checked
- Oct 2026
Default'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
6 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
9 tools, what the product is built with
Auth & Identity
Backend & Database
Data & Observability
9 tools, what they measure and store
Go-to-market
17 tools, how they find and keep customers
Company Ops
6 tools, what the team runs on day to day
Email Delivery
Collaboration
People & HR
Security & Compliance
What changed at Default
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Companies like Default also use
Tools common among companies with a similar stack that we haven't found at Default.
Companies with a stack like Default's
Ranked by shared tools, with rare tools counting more.
LumaSoftware · 201–1,000 people25in common
Sigma ComputingSoftware · 201–1,000 people23in common
ExpoInfrastructure · 11–50 people18in common
WhisticComputer & Network Security · 51–200 people18in common
Zigzag GlobalInternet · 51–200 people18in common
VantageInternet · 11–50 people24in common
JellyfishSoftware Engineering · 201–1,000 people21in common
SpecificEngineering, Product and Design · 1–10 people17in common
More Software companies
Other Software companies we've checked.
Default tech stack FAQ
What tools does Default use?
As of October 2026, runsonwhat has found 47 tools at Default (default.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, LinkedIn Insight Tag and HubSpot. Company Ops: Microsoft 365, Google Workspace and Resend. Last checked October 19, 2026.
What cloud does Default run on?
Default uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel and Railway, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services on default.com's subprocessor list and code on default.com. Amazon Web Services is used by 145,141 companies runsonwhat tracks.
What CRM does Default use?
Default uses HubSpot for its CRM, alongside Salesforce, Calendly and ZoomInfo, according to runsonwhat (October 2026). runsonwhat found HubSpot through HubSpot on default.com's subprocessor list. HubSpot is used by 92,782 companies runsonwhat tracks.
What email provider does Default use?
Default uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 705,153 companies runsonwhat tracks.
What analytics tools does Default use?
Default uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and PostHog, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on default.com. Google Analytics is used by 861,123 companies runsonwhat tracks.
What is Default's website built with?
Default uses Sanity for its website, according to runsonwhat (October 2026). runsonwhat found Sanity through Sanity code on default.com. Sanity is used by 4,772 companies runsonwhat tracks.
How long has Default used Vercel?
Default has used Vercel since at least March 2022, going by the first public certificate of the default.com subdomain that points at Vercel. Other long-running tools at Default include Amazon CloudFront (since September 2024), WorkOS (since March 2025) and Vanta (since April 2026).
Does Default use Cloudflare?
Yes. runsonwhat found Cloudflare at Default through Cloudflare code on default.com. Cloudflare is a CDN & Edge tool used by 696,292 companies runsonwhat tracks.
Does Default use AI tools?
Yes. runsonwhat has found OpenAI and Perplexity at Default; OpenAI, for example, through OpenAI on default.com's subprocessor list. AI services called only from servers leave no public trace, so Default may use more AI tools than these.
Which companies have a tech stack similar to Default's?
The companies with the stacks most like Default's are Luma, Sigma Computing, Expo and Whistic, according to runsonwhat (October 2026). Each shares 18 to 25 tools with Default, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Default uses?
runsonwhat reads public records only. Of the 47 tools at Default, 22 were found through its own subprocessor list, 14 through code on default.com, 5 through subdomains that point at the vendor, 3 through DNS records, 2 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and default.com about 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.