# What does SPDX use?

SPDX (spdx.org) shows public evidence of 17 tools, according to runsonwhat (last checked 2026-11-07).

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | 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 |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | 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 |  |
| [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code |  |
| [Dynatrace](https://www.runsonwhat.com/reverse/dynatrace) | Monitoring | 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 |  |
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Website code |  |

## Company Ops

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

## FAQ

### What tools does SPDX use?

As of November 2026, runsonwhat has found 17 tools at SPDX (spdx.org) in public records. Edge & Hosting: Fastly and DNSimple. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and New Relic. Go-to-market: WordPress, Google Ads and HubSpot. Company Ops: Mailgun and Forward Email. Last checked November 7, 2026.

### What CRM does SPDX use?

SPDX uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through HubSpot code on spdx.org. HubSpot is used by 97,948 companies runsonwhat tracks.

### What analytics tools does SPDX use?

SPDX uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on spdx.org. Google Analytics is used by 904,095 companies runsonwhat tracks.

### What is SPDX's website built with?

SPDX uses WordPress for its website, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on spdx.org. WordPress is used by 606,942 companies runsonwhat tracks.

### What monitoring tools does SPDX use?

SPDX uses New Relic for monitoring, alongside Datadog and Dynatrace, according to runsonwhat (November 2026). runsonwhat found New Relic through New Relic code on spdx.org. New Relic is used by 17,311 companies runsonwhat tracks.

### Does SPDX use jQuery?

Yes. runsonwhat found jQuery at SPDX through jQuery code on spdx.org. jQuery is a Frontend tool used by 927,276 companies runsonwhat tracks.

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

The companies with the stacks most like SPDX's are Openapi Initiative, Presto Foundation, Openssf and MLflow, according to runsonwhat (November 2026). Each shares 7 to 14 tools with SPDX, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what SPDX uses?

runsonwhat reads public records only. Of the 17 tools at SPDX, 13 were found through code on spdx.org, 2 through DNS records, 1 through website configuration files and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and spdx.org about monthly.


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