# What does Certu Systems use?

Certu Systems (certusystems.com) shows public evidence of 16 tools, according to runsonwhat (last checked 2026-10-24).

- Industry: Software
- Size: 11–50 employees
- Based in: Pittsburgh, United States
- LinkedIn: https://www.linkedin.com/company/certusystems

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records |  |
| [Framer](https://www.runsonwhat.com/reverse/framer) | Website & CMS | Custom domain, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | DNS verification records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Bitwarden](https://www.runsonwhat.com/reverse/bitwarden) | Security & Compliance | DNS verification records |  |
| [HashiCorp Cloud](https://www.runsonwhat.com/reverse/hashicorp) | Dev Tools | DNS verification records |  |

## FAQ

### What tools does Certu Systems use?

As of October 2026, runsonwhat has found 16 tools at Certu Systems (certusystems.com) in public records. Edge & Hosting: Cloudflare. Application: Google Fonts, YouTube and React. Go-to-market: Google Ads, Meta Pixel and Framer. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 24, 2026.

### What email provider does Certu Systems use?

Certu Systems 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 and email records. Microsoft 365 is used by 715,770 companies runsonwhat tracks.

### What is Certu Systems's website built with?

Certu Systems uses Framer for its website, according to runsonwhat (October 2026). runsonwhat found Framer through a subdomain that points at Framer and code on certusystems.com. Framer is used by 6,119 companies runsonwhat tracks.

### Does Certu Systems use Google Fonts?

Yes. runsonwhat found Google Fonts at Certu Systems through Google Fonts code on certusystems.com. Google Fonts is a Media & UI tool used by 816,727 companies runsonwhat tracks.

### Does Certu Systems use AI tools?

Yes. runsonwhat has found Anthropic at Certu Systems; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Certu Systems may use more AI tools than these.

### Which companies have a tech stack similar to Certu Systems's?

The companies with the stacks most like Certu Systems' are Vela Games, Owner.com, DataStealth and Voyado, according to runsonwhat (October 2026). Each shares 6 to 11 tools with Certu Systems, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Certu Systems uses?

runsonwhat reads public records only. Of the 16 tools at Certu Systems, 10 were found through DNS records, 4 through code on certusystems.com, 1 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and certusystems.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/certusystems.com (updated October 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.