Esper's tech stack
What does Esper use?
Esper (esper.com) uses at least 19 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 .
- Industry
- Software
- Size
- 11–50 employees
- Based in
- Austin, United States
- Founded
- 2018
- Company page
- Tools found
- 19
- Categories
- 13
- Layers
- 5 of 5
- Last checked
- Oct 2026
Esper'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
3 tools, where the bytes are served from
Application
4 tools, what the product is built with
Frontend
Data & Observability
2 tools, what they measure and store
Go-to-market
6 tools, how they find and keep customers
Website & CMS
Marketing
Ads & Pixels
Sales & CRM
Company Ops
4 tools, what the team runs on day to day
Email Delivery
Security & Compliance
Companies like Esper also use
Tools common among companies with a similar stack that we haven't found at Esper.
Companies with a stack like Esper's
Ranked by shared tools, with rare tools counting more.
This Dot LabsSoftware · 11–50 people8in common
Us2.aiSoftware · 11–50 people6in common
DashSoftware · 11–50 people11in common
Vacation Tracker TechnologiesSoftware · 11–50 people12in common
Y Soft CorporationSoftware · 201–1,000 people12in common
Skillcast Group PLCSoftware · 51–200 people11in common
UpboundSoftware · 51–200 people10in common
Gradle, Inc.Software · 51–200 people9in common
More Software companies
Other Software companies we've checked.
Esper tech stack FAQ
What tools does Esper use?
As of October 2026, runsonwhat has found 19 tools at Esper (esper.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and GSAP. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, LinkedIn Insight Tag and HubSpot. Company Ops: Microsoft 365, Google Workspace and Amazon SES. Last checked October 21, 2026.
What cloud does Esper run on?
Esper uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on esper.com. Amazon Web Services is used by 145,703 companies runsonwhat tracks.
What CRM does Esper use?
Esper uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records. HubSpot is used by 94,100 companies runsonwhat tracks.
What email provider does Esper use?
Esper 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 711,314 companies runsonwhat tracks.
What analytics tools does Esper use?
Esper uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on esper.com. Google Analytics is used by 881,390 companies runsonwhat tracks.
What is Esper's website built with?
Esper uses Webflow for its website, alongside HubSpot CMS, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and code on esper.com. Webflow is used by 34,914 companies runsonwhat tracks.
Does Esper use jQuery?
Yes. runsonwhat found jQuery at Esper through jQuery code on esper.com. jQuery is a Frontend tool used by 916,781 companies runsonwhat tracks.
Which companies have a tech stack similar to Esper's?
The companies with the stacks most like Esper's are This Dot Labs, Us2.ai, Dash and Vacation Tracker Technologies, according to runsonwhat (October 2026). Each shares 6 to 12 tools with Esper, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Esper uses?
runsonwhat reads public records only. Of the 19 tools at Esper, 10 were found through code on esper.com, 4 through subdomains that point at the vendor, 3 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and esper.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.