GraySky's tech stack
What does GraySky use?
GraySky (graycloud.app) uses at least 6 tools we can see from public records, including Google Workspace for email and documents, Cloudflare for content delivery and Amazon SES for email delivery. Last checked .
“GraySky is a hyperlocal weather app with NOAA data, minute-by-minute rain alerts and rainfall totals for iPhone, iPad, Mac, Apple Watch, Android, Garmin and the web.”
- Based in
- Philadelphia, United States
- Founded
- 2026
- Tools found
- 6
- Categories
- 5
- Layers
- 4 of 5
- Last checked
- Oct 2026
GraySky's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
CDN & Edge
Application
1 tool, what the product is built with
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
2 tools, what the team runs on day to day
Email Delivery
Workspace
GraySky tech stack FAQ
What tools does GraySky use?
We've found 6 tools at GraySky (graycloud.app). Edge & Hosting: Cloudflare and Amazon CloudFront. Company Ops: Google Workspace and Amazon SES. Last checked October 2, 2026.
What email provider does GraySky use?
GraySky uses Google Workspace for email and documents. We found Google Workspace through email records.
Does GraySky use Cloudflare?
Yes. We found Cloudflare at GraySky through DNS records and website code. Cloudflare is used by 346,456 companies we track.
How does runsonwhat know what GraySky uses?
We read public traces only: GraySky's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.