# What does Ellipsis use?

Ellipsis (ellipsis.dev) shows public evidence of 20 tools, according to runsonwhat (last checked 2026-10-09).

- Industry: Engineering, Product and Design
- Size: 1–10 employees
- Based in: New York City, United States
- LinkedIn: https://www.linkedin.com/company/ellipsis-dev

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code |  |
| [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS verification records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |
| [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code |  |
| [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code |  |
| [LiveIntent](https://www.runsonwhat.com/reverse/liveintent) | Ads & Pixels | Website code |  |
| [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, Website code |  |

## FAQ

### What tools does Ellipsis use?

As of October 2026, runsonwhat has found 20 tools at Ellipsis (ellipsis.dev) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Sentry and web-vitals. Go-to-market: Google Ads, LinkedIn Insight Tag and X Ads. Company Ops: Google Workspace. Last checked October 9, 2026.

### What cloud does Ellipsis run on?

Ellipsis uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on ellipsis.dev. Amazon Web Services is used by 143,515 companies runsonwhat tracks.

### What sales tools does Ellipsis use?

The sales tools runsonwhat has found at Ellipsis are RB2B (October 2026); no CRM shows up in Ellipsis' public records. runsonwhat found RB2B through RB2B code on ellipsis.dev. RB2B is used by 2,354 companies runsonwhat tracks.

### What email provider does Ellipsis use?

Ellipsis uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on ellipsis.dev. Google Workspace is used by 392,609 companies runsonwhat tracks.

### What analytics tools does Ellipsis use?

Ellipsis uses Google Analytics for analytics, alongside PostHog, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on ellipsis.dev. Google Analytics is used by 786,762 companies runsonwhat tracks.

### What monitoring tools does Ellipsis use?

Ellipsis uses Sentry for monitoring, alongside web-vitals, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on ellipsis.dev. Sentry is used by 70,346 companies runsonwhat tracks.

### Does Ellipsis use Cloudflare?

Yes. runsonwhat found Cloudflare at Ellipsis through Cloudflare code on ellipsis.dev. Cloudflare is a CDN & Edge tool used by 667,422 companies runsonwhat tracks.

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

The companies with the stacks most like Ellipsis' are Datafruit, Moda Labs, Phonic and Casco, according to runsonwhat (October 2026). Each shares 4 to 10 tools with Ellipsis, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Ellipsis uses?

runsonwhat reads public records only. Of the 20 tools at Ellipsis, 15 were found through code on ellipsis.dev, 3 through DNS records, 1 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ellipsis.dev about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/ellipsis.dev (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.