# What does Thirdrockventures use?

Thirdrockventures (thirdrockventures.com) shows public evidence of 16 tools, according to runsonwhat (last checked 2026-10-25).

- LinkedIn: https://www.linkedin.com/company/third-rock-ventures

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | 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 |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records |  |
| [Moosend](https://www.runsonwhat.com/reverse/moosend) | Marketing | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records |  |
| [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | Email records |  |
| [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records |  |
| [dmarcian](https://www.runsonwhat.com/reverse/dmarcian) | Security & Compliance | Email records |  |
| [Jamf](https://www.runsonwhat.com/reverse/jamf) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does Thirdrockventures use?

As of October 2026, runsonwhat has found 16 tools at Thirdrockventures (thirdrockventures.com) in public records. Edge & Hosting: Cloudflare. Application: GSAP. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Mailchimp and Zendesk. Company Ops: Microsoft 365, Apple Business and Mimecast. Last checked October 25, 2026.

### What email provider does Thirdrockventures use?

Thirdrockventures uses Microsoft 365 for email and office software, alongside 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 716,437 companies runsonwhat tracks.

### What does Thirdrockventures use for customer support?

Thirdrockventures uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 42,357 companies runsonwhat tracks.

### What analytics tools does Thirdrockventures use?

Thirdrockventures uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on thirdrockventures.com. Google Analytics is used by 892,873 companies runsonwhat tracks.

### What marketing software does Thirdrockventures use?

Thirdrockventures uses Mailchimp for marketing, alongside Moosend, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 116,756 companies runsonwhat tracks.

### Does Thirdrockventures use Cloudflare?

Yes. runsonwhat found Cloudflare at Thirdrockventures through Cloudflare code on thirdrockventures.com. Cloudflare is a CDN & Edge tool used by 710,903 companies runsonwhat tracks.

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

The companies with the stacks most like Thirdrockventures' are ManagerZone, Eeae - Greek Atomic Energy Commission, Onit! and innovasolutions, according to runsonwhat (October 2026). Each shares 2 to 6 tools with Thirdrockventures, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Thirdrockventures uses?

runsonwhat reads public records only. Of the 16 tools at Thirdrockventures, 7 were found through email records, 5 through code on thirdrockventures.com and 4 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and thirdrockventures.com about monthly.


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