# What does Open Mainframe Project use?

Open Mainframe Project (openmainframeproject.org) shows public evidence of 23 tools, according to runsonwhat (last checked 2026-10-24).

- Industry: IT Services
- Size: 11–50 employees
- Based in: San Francisco, United States
- Founded: 2015
- LinkedIn: https://www.linkedin.com/company/the-open-mainframe-project

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Website code |  |
| [Pantheon](https://www.runsonwhat.com/reverse/pantheon) | Hosting & Cloud | Website code |  |
| [DNSimple](https://www.runsonwhat.com/reverse/dnsimple) | DNS | DNS records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | 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 |  |
| [New Relic](https://www.runsonwhat.com/reverse/newrelic) | Monitoring | Website code |  |
| [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code |  |
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code |  |
| [LiveRamp](https://www.runsonwhat.com/reverse/liveramp) | Ads & Pixels | Website code |  |
| [Demandbase](https://www.runsonwhat.com/reverse/demandbase) | Sales & CRM | Website code |  |
| [Drift](https://www.runsonwhat.com/reverse/drift) | Support & Docs | Website code |  |
| [Discourse](https://www.runsonwhat.com/reverse/discourse) | Support & Docs | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records, Website code |  |
| [Forward Email](https://www.runsonwhat.com/reverse/forward-email) | Email Delivery | DNS verification records, Email records |  |
| [Transcend](https://www.runsonwhat.com/reverse/transcend) | Security & Compliance | Website code |  |

## FAQ

### What tools does Open Mainframe Project use?

As of October 2026, runsonwhat has found 23 tools at Open Mainframe Project (openmainframeproject.org) in public records. Edge & Hosting: Cloudflare, Fastly and Pantheon. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and New Relic. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Mailgun, Forward Email and Transcend. Last checked October 24, 2026.

### What cloud does Open Mainframe Project run on?

Open Mainframe Project uses Pantheon for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Pantheon through Pantheon code on openmainframeproject.org. Pantheon is used by 4,316 companies runsonwhat tracks.

### What CRM does Open Mainframe Project use?

Open Mainframe Project uses HubSpot for its CRM, alongside Demandbase, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on openmainframeproject.org. HubSpot is used by 94,718 companies runsonwhat tracks.

### What does Open Mainframe Project use for customer support?

Open Mainframe Project uses Drift for customer support and documentation, alongside Discourse, according to runsonwhat (October 2026). runsonwhat found Drift through Drift code on openmainframeproject.org. Drift is used by 1,763 companies runsonwhat tracks.

### What analytics tools does Open Mainframe Project use?

Open Mainframe Project uses Google Analytics for analytics, alongside Google Tag Manager and Segment, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on openmainframeproject.org. Google Analytics is used by 888,161 companies runsonwhat tracks.

### What is Open Mainframe Project's website built with?

Open Mainframe Project uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on openmainframeproject.org. WordPress is used by 600,322 companies runsonwhat tracks.

### Does Open Mainframe Project use jQuery?

Yes. runsonwhat found jQuery at Open Mainframe Project through jQuery code on openmainframeproject.org. jQuery is a Frontend tool used by 920,396 companies runsonwhat tracks.

### Which companies have a tech stack similar to Open Mainframe Project's?

The companies with the stacks most like Open Mainframe Project's are Lf Edge, Openapi Initiative, Zephyr Project and Openssf, according to runsonwhat (October 2026). Each shares 16 to 21 tools with Open Mainframe Project, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Open Mainframe Project uses?

runsonwhat reads public records only. Of the 23 tools at Open Mainframe Project, 17 were found through code on openmainframeproject.org, 2 through email records, 2 through DNS records, 1 through website configuration files 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 openmainframeproject.org about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/openmainframeproject.org (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.
