JSR's tech stack
What does JSR use?
JSR (jsr.io) uses at least 8 tools we can see from public records, including Amazon Web Services for hosting, Google Workspace for email and documents, Discord for customer support and Cloudflare for content delivery. Last checked .
- Tools found
- 8
- Categories
- 8
- Layers
- 4 of 5
- Last checked
- Oct 2026
JSR'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
Hosting & Cloud
CDN & Edge
Application
1 tool, what the product is built with
Frontend
Go-to-market
2 tools, how they find and keep customers
Marketing
Support & Docs
Company Ops
3 tools, what the team runs on day to day
JSR tech stack FAQ
What tools does JSR use?
As of October 2026, runsonwhat has found 8 tools at JSR (jsr.io) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Application: Tailwind CSS. Go-to-market: Discord. Company Ops: Google Workspace, Amazon SES and EasyDMARC. Last checked October 20, 2026.
What cloud does JSR run on?
JSR uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on jsr.io. Amazon Web Services is used by 145,484 companies runsonwhat tracks.
What email provider does JSR use?
JSR 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 jsr.io. Google Workspace is used by 401,493 companies runsonwhat tracks.
What does JSR use for customer support?
JSR uses Discord for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Discord through Discord code on jsr.io. Discord is used by 5,379 companies runsonwhat tracks.
Does JSR use Cloudflare?
Yes. runsonwhat found Cloudflare at JSR through DNS records that point at Cloudflare and code on jsr.io. Cloudflare is a CDN & Edge tool used by 701,305 companies runsonwhat tracks.
How does runsonwhat know what JSR uses?
runsonwhat reads public records only. Of the 8 tools at JSR, 3 were found through email records, 3 through code on jsr.io and 2 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and jsr.io about 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.