Harbor's tech stack
What does Harbor use?
Harbor (runharbor.com) uses at least 23 tools we can see from public records, including Amazon Web Services for hosting, Google Workspace for email and documents, Cal.com for sales and Google Tag Manager for analytics. Last checked .
“AI-native CRO for clinical trial operations”
- Industry
- Healthcare
- Size
- 1–10 employees
- Based in
- San Francisco, United States
- Company page
- Tools found
- 23
- Categories
- 14
- Layers
- 5 of 5
- Changes seen
- 1
Harbor'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
Hosting & Cloud
CDN & Edge
Application
7 tools, what the product is built with
Backend & Database
Data & Observability
5 tools, what they measure and store
Go-to-market
3 tools, how they find and keep customers
Company Ops
5 tools, what the team runs on day to day
Workspace
People & HR
Finance & Legal
Security & Compliance
What changed at Harbor
Recent starts and stops
- StartedAmazon Business
Companies like Harbor also use
Tools common among companies with a similar stack that we haven't found at Harbor.
Companies with a stack like Harbor's
Ranked by shared tools, with rare tools counting more.
DurateHealthcare IT · 1–10 people7in common
Trigger.devEngineering, Product and Design · 1–10 people6in common
RyvnInfrastructure · 1–10 people7in common
Zymbly AIB2B · 1–10 people6in common
TesterArmyEngineering, Product and Design · 1–10 people7in common
SuperagentSecurity · 1–10 people5in common
Boost Clinical Trial Enrollment - HealthKeyHealthcare IT · 1–10 people7in common
Overdrive Health, Inc.Healthcare Services · 1–10 people6in common
More Healthcare companies
Other Healthcare companies we've checked.
Harbor tech stack FAQ
What tools does Harbor use?
As of October 2026, runsonwhat has found 23 tools at Harbor (runharbor.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Tag Manager, Sentry and PostHog. Go-to-market: Meta Pixel and Cal.com. Company Ops: Google Workspace, DocuSign and Rippling. Last checked October 16, 2026.
What cloud does Harbor run on?
Harbor uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services on runharbor.com's subprocessor list. Amazon Web Services is used by 144,716 companies runsonwhat tracks.
What sales tools does Harbor use?
The sales tools runsonwhat has found at Harbor are Cal.com (October 2026); no CRM shows up in Harbor's public records. runsonwhat found Cal.com through Cal.com code on runharbor.com. Cal.com is used by 597 companies runsonwhat tracks.
What email provider does Harbor use?
Harbor uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on runharbor.com. Google Workspace is used by 396,627 companies runsonwhat tracks.
What analytics tools does Harbor use?
Harbor uses Google Tag Manager for analytics, alongside PostHog and Amplitude, according to runsonwhat (October 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on runharbor.com. Google Tag Manager is used by 486,917 companies runsonwhat tracks.
What does Harbor use for hiring and HR?
Harbor uses Rippling for hiring and HR, according to runsonwhat (October 2026). runsonwhat found Rippling through a DNS verification record for Rippling. Rippling is used by 3,125 companies runsonwhat tracks.
Does Harbor use Cloudflare?
Yes. runsonwhat found Cloudflare at Harbor through DNS records that point at Cloudflare and code on runharbor.com. Cloudflare is a CDN & Edge tool used by 691,271 companies runsonwhat tracks.
Does Harbor use AI tools?
Yes. runsonwhat has found Anthropic, OpenAI and Google Gemini at Harbor; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Harbor may use more AI tools than these.
Has Harbor changed tools recently?
Yes. On runsonwhat's rechecks, Harbor started using Amazon Business (latest on October 9, 2026). A change counts only between two checks of runharbor.com done the same way.
Which companies have a tech stack similar to Harbor's?
The companies with the stacks most like Harbor's are Durate, Trigger.dev, Ryvn and Zymbly AI, according to runsonwhat (October 2026). Each shares 6 to 7 tools with Harbor, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Harbor uses?
runsonwhat reads public records only. Of the 23 tools at Harbor, 8 were found through its own subprocessor list, 7 through DNS records, 5 through code on runharbor.com, 2 through subdomains that point at the vendor and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and runharbor.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.