# What does Rain use?

Rain (rainapp.com) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-10-24).

- LinkedIn: https://www.linkedin.com/company/rain-app

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |
| [Intellimize](https://www.runsonwhat.com/reverse/intellimize) | Flags & Experiments | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records |  |
| [Webflow](https://www.runsonwhat.com/reverse/webflow) | Website & CMS | Custom domain, Website code |  |
| [Trustpilot](https://www.runsonwhat.com/reverse/trustpilot) | Marketing | Email records |  |
| [StackAdapt](https://www.runsonwhat.com/reverse/stackadapt) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code |  |
| [SparkPost](https://www.runsonwhat.com/reverse/sparkpost) | Email Delivery | Email records |  |
| [Postman](https://www.runsonwhat.com/reverse/postman) | Dev Tools | DNS verification records |  |

## FAQ

### What tools does Rain use?

As of October 2026, runsonwhat has found 18 tools at Rain (rainapp.com) in public records. Edge & Hosting: Cloudflare, Amazon Route 53 and Amazon CloudFront. Application: jQuery and GSAP. Data & Observability: Google Tag Manager and Intellimize. Go-to-market: HubSpot, Zendesk and Webflow. Company Ops: Google Workspace, Cookiebot and SparkPost. Last checked October 24, 2026.

### What CRM does Rain use?

Rain uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot. HubSpot is used by 94,723 companies runsonwhat tracks.

### What email provider does Rain use?

Rain 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 405,334 companies runsonwhat tracks.

### What does Rain use for customer support?

Rain 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 42,231 companies runsonwhat tracks.

### What analytics tools does Rain use?

Rain uses Google Tag Manager for analytics, according to runsonwhat (October 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on rainapp.com. Google Tag Manager is used by 506,868 companies runsonwhat tracks.

### What is Rain's website built with?

Rain uses Webflow for its website, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and code on rainapp.com. Webflow is used by 35,144 companies runsonwhat tracks.

### Does Rain use jQuery?

Yes. runsonwhat found jQuery at Rain through jQuery code on rainapp.com. jQuery is a Frontend tool used by 920,415 companies runsonwhat tracks.

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

The companies with the stacks most like Rain's are General Catalyst, Venn, Veritystream By Healthstream and RePro Stream, according to runsonwhat (October 2026). Each shares 7 to 10 tools with Rain, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Rain uses?

runsonwhat reads public records only. Of the 18 tools at Rain, 7 were found through code on rainapp.com, 5 through email records, 3 through DNS records, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and rainapp.com about monthly.


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