# What does Calstrs use?

Calstrs (calstrs.com) shows public evidence of 30 tools, according to runsonwhat (last checked 2026-10-18).

- Industry: Government Administration
- Size: 1,001–5,000 employees
- Based in: West Sacramento, United States
- Founded: 1913
- LinkedIn: https://www.linkedin.com/company/calstrs

## Edge & Hosting

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

## 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 |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code |  |
| [Algolia](https://www.runsonwhat.com/reverse/algolia) | Search | Website code |  |
| [ShareThis](https://www.runsonwhat.com/reverse/sharethis) | Media & UI | Website code |  |
| [imgix](https://www.runsonwhat.com/reverse/imgix) | 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 |  |

## Go-to-market

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

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | DNS verification records |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |
| [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records |  |
| [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records |  |
| [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code |  |
| [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records |  |
| [Canva](https://www.runsonwhat.com/reverse/canva) | Collaboration | DNS verification records |  |
| [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records |  |
| [hCaptcha](https://www.runsonwhat.com/reverse/hcaptcha) | Security & Compliance | Website code |  |
| [Jamf](https://www.runsonwhat.com/reverse/jamf) | Security & Compliance | DNS verification records |  |
| [SAP SuccessFactors](https://www.runsonwhat.com/reverse/sap-successfactors) | People & HR | DNS verification records |  |
| [IdenTrust](https://www.runsonwhat.com/reverse/identrust) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does Calstrs use?

As of October 2026, runsonwhat has found 30 tools at Calstrs (calstrs.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Vimeo. Data & Observability: Google Analytics, Google Tag Manager and New Relic. Go-to-market: Google Ads and Apollo.io. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked October 18, 2026.

### What sales tools does Calstrs use?

The sales tools runsonwhat has found at Calstrs are Apollo.io (October 2026); no CRM shows up in Calstrs' public records. runsonwhat found Apollo.io through Apollo.io code on calstrs.com. Apollo.io is used by 11,134 companies runsonwhat tracks.

### What email provider does Calstrs use?

Calstrs uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 709,035 companies runsonwhat tracks.

### What analytics tools does Calstrs use?

Calstrs uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on calstrs.com. Google Analytics is used by 875,395 companies runsonwhat tracks.

### What does Calstrs use for hiring and HR?

Calstrs uses SAP SuccessFactors for hiring and HR, according to runsonwhat (October 2026). runsonwhat found SAP SuccessFactors through a DNS verification record for SAP SuccessFactors. SAP SuccessFactors is used by 3,225 companies runsonwhat tracks.

### What monitoring tools does Calstrs use?

Calstrs uses New Relic for monitoring, according to runsonwhat (October 2026). runsonwhat found New Relic through New Relic code on calstrs.com. New Relic is used by 16,865 companies runsonwhat tracks.

### Does Calstrs use jQuery?

Yes. runsonwhat found jQuery at Calstrs through jQuery code on calstrs.com. jQuery is a Frontend tool used by 912,935 companies runsonwhat tracks.

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

The companies with the stacks most like Calstrs' are Federal Defender Organizations, WK Kellogg, Kingwood and Rapides Regional Medical Center, according to runsonwhat (October 2026). Each shares 6 to 10 tools with Calstrs, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Calstrs uses?

runsonwhat reads public records only. Of the 30 tools at Calstrs, 15 were found through code on calstrs.com, 12 through DNS records and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and calstrs.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/calstrs.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.
