# What does Frontrunner use?

Frontrunner (usefr.com) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-10-09).

- Industry: Sales
- Size: 1–10 employees
- Based in: San Francisco, United States

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Subprocessor list |  |
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Website code |  |
| [Render](https://www.runsonwhat.com/reverse/render) | Hosting & Cloud | Subprocessor list |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | Subprocessor list |  |
| [WorkOS](https://www.runsonwhat.com/reverse/workos) | Auth & Identity | Custom domain, Subprocessor list |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code |  |
| [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Subprocessor list |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Subprocessor list |  |
| [RB2B](https://www.runsonwhat.com/reverse/rb2b) | Sales & CRM | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records |  |
| [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | Subprocessor list |  |

## FAQ

### What tools does Frontrunner use?

As of October 2026, runsonwhat has found 14 tools at Frontrunner (usefr.com) in public records. Edge & Hosting: Cloudflare, Google Cloud and Render. Application: Google Fonts, Anthropic and WorkOS. Data & Observability: Datadog and PostHog. Go-to-market: LinkedIn Insight Tag and RB2B. Company Ops: Google Workspace, Resend and Slack. Last checked October 9, 2026.

### What cloud does Frontrunner run on?

Frontrunner uses Google Cloud for hosting and cloud infrastructure, alongside Render, according to runsonwhat (October 2026). runsonwhat found Google Cloud through Google Cloud code on usefr.com. Google Cloud is used by 75,103 companies runsonwhat tracks.

### What sales tools does Frontrunner use?

The sales tools runsonwhat has found at Frontrunner are RB2B (October 2026); no CRM shows up in Frontrunner's public records. runsonwhat found RB2B through RB2B code on usefr.com. RB2B is used by 2,699 companies runsonwhat tracks.

### What email provider does Frontrunner use?

Frontrunner uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 397,574 companies runsonwhat tracks.

### What analytics tools does Frontrunner use?

Frontrunner uses PostHog for analytics, according to runsonwhat (October 2026). runsonwhat found PostHog through PostHog on usefr.com's subprocessor list. PostHog is used by 9,414 companies runsonwhat tracks.

### What does Frontrunner use for login and identity?

Frontrunner uses WorkOS for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found WorkOS through a subdomain that points at WorkOS and its subprocessor list. WorkOS is used by 561 companies runsonwhat tracks.

### Does Frontrunner use Google Fonts?

Yes. runsonwhat found Google Fonts at Frontrunner through Google Fonts code on usefr.com. Google Fonts is a Media & UI tool used by 791,675 companies runsonwhat tracks.

### Does Frontrunner use AI tools?

Yes. runsonwhat has found Anthropic at Frontrunner; Anthropic, for example, through Anthropic on usefr.com's subprocessor list. AI services called only from servers leave no public trace, so Frontrunner may use more AI tools than these.

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

The companies with the stacks most like Frontrunner's are Ergo, Origami, Fixture and Metaplane, according to runsonwhat (October 2026). Each shares 6 to 9 tools with Frontrunner, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Frontrunner uses?

runsonwhat reads public records only. Of the 14 tools at Frontrunner, 5 were found through its own subprocessor list, 4 through code on usefr.com, 2 through DNS records, 2 through email records 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 usefr.com about monthly.


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