# What does JustSystems use?

JustSystems (justsystems.com) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-11-08).

- Industry: Software
- Size: 201–1,000 employees
- Based in: Vancouver, Japan
- Founded: 1981
- LinkedIn: https://www.linkedin.com/company/justsystems

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records, Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records |  |
| [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code |  |
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records |  |
| [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records |  |
| [Figma](https://www.runsonwhat.com/reverse/figma) | Collaboration | DNS verification records |  |

## FAQ

### What tools does JustSystems use?

As of November 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 November 8, 2026.

### What cloud does JustSystems run on?

JustSystems uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on justsystems.com. Amazon Web Services is used by 147,498 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 (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 734,199 companies runsonwhat tracks.

### What payment provider does JustSystems use?

JustSystems uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on justsystems.com. Stripe is used by 31,416 companies runsonwhat tracks.

### What analytics tools does JustSystems use?

JustSystems uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on justsystems.com. Google Analytics is used by 903,944 companies runsonwhat tracks.

### What marketing software does JustSystems use?

JustSystems uses Pardot for marketing, according to runsonwhat (November 2026). runsonwhat found Pardot through a subdomain that points at Pardot. Pardot is used by 21,026 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 927,219 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.


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Source: runsonwhat, https://www.runsonwhat.com/company/justsystems.com (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.