JustSystems's tech stack
What does JustSystems use?
JustSystems (justsystems.com) uses at least 18 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and Stripe for payments. Last checked .
- Industry
- Software
- Size
- 201–1,000 employees
- Based in
- Vancouver, Japan
- Founded
- 1981
- Company page
- Tools found
- 18
- Categories
- 14
- Layers
- 5 of 5
- Last checked
- Oct 2026
JustSystems'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
Data & Observability
2 tools, what they measure and store
Go-to-market
2 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
7 tools, what the team runs on day to day
Email Delivery
Security & Compliance
JustSystems tech stack FAQ
What tools does JustSystems use?
As of October 2026, runsonwhat has found 18 tools at JustSystems (justsystems.com) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Amazon CloudFront. Application: jQuery, GSAP and Anthropic. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Meta Pixel and Pardot. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 10, 2026.
What cloud does JustSystems run on?
JustSystems 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 justsystems.com. Amazon Web Services is used by 144,134 companies runsonwhat tracks.
What email provider does JustSystems use?
JustSystems uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 694,634 companies runsonwhat tracks.
What payment provider does JustSystems use?
JustSystems uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on justsystems.com. Stripe is used by 25,550 companies runsonwhat tracks.
What analytics tools does JustSystems use?
JustSystems uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on justsystems.com. Google Analytics is used by 833,632 companies runsonwhat tracks.
What marketing software does JustSystems use?
JustSystems uses Pardot for marketing, according to runsonwhat (October 2026). runsonwhat found Pardot through a subdomain that points at Pardot. Pardot is used by 19,552 companies runsonwhat tracks.
Does JustSystems use jQuery?
Yes. runsonwhat found jQuery at JustSystems through jQuery code on justsystems.com. jQuery is a Frontend tool used by 882,417 companies runsonwhat tracks.
Does JustSystems use AI tools?
Yes. runsonwhat has found Anthropic at JustSystems; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so JustSystems may use more AI tools than these.
How does runsonwhat know what JustSystems uses?
runsonwhat reads public records only. Of the 18 tools at JustSystems, 9 were found through DNS records, 5 through code on justsystems.com, 2 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and justsystems.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.