# What does Spring use?

Spring (spring.io) shows public evidence of 16 tools, according to runsonwhat (last checked 2026-10-31).

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code |  |
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Gatsby](https://www.runsonwhat.com/reverse/gatsby) | Frontend | 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 |  |
| [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | DNS verification records, Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |
| [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code |  |

## FAQ

### What tools does Spring use?

As of November 2026, runsonwhat has found 16 tools at Spring (spring.io) in public records. Edge & Hosting: Cloudflare. Application: Font Awesome, React and Gatsby. Data & Observability: Google Analytics, Google Tag Manager and Atlassian Statuspage. Go-to-market: Google Ads. Company Ops: Microsoft 365, Atlassian and Let's Encrypt. Last checked October 31, 2026.

### What email provider does Spring use?

Spring uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 716,129 companies runsonwhat tracks.

### What analytics tools does Spring use?

Spring uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on spring.io. Google Analytics is used by 899,912 companies runsonwhat tracks.

### What monitoring tools does Spring use?

Spring uses Atlassian Statuspage for monitoring, according to runsonwhat (November 2026). runsonwhat found Atlassian Statuspage through a DNS verification record for Atlassian Statuspage and code on spring.io. Atlassian Statuspage is used by 6,656 companies runsonwhat tracks.

### Does Spring use Cloudflare?

Yes. runsonwhat found Cloudflare at Spring through email records that authorize Cloudflare and DNS records. Cloudflare is a CDN & Edge tool used by 715,182 companies runsonwhat tracks.

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

The companies with the stacks most like Spring's are First Fence, Sages, Bold and Ackee s.r.o., according to runsonwhat (November 2026). Each shares 5 to 7 tools with Spring, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Spring uses?

runsonwhat reads public records only. Of the 16 tools at Spring, 8 were found through DNS records, 7 through code on spring.io and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and spring.io about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/spring.io (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.