Localstack's tech stack
What does Localstack use?
Localstack (localstack.com) uses at least 8 tools we can see from public records, including Google Cloud for hosting, Mailchimp Transactional for email delivery, Google Workspace for email and documents and Mailchimp for marketing. Last checked .
- Industry
- Internet
- Size
- 11–50 employees
- Based in
- San Diego, United States
- Founded
- 2006
- Company page
- Tools found
- 8
- Categories
- 6
- Layers
- 4 of 5
- Changes seen
- 1
Localstack's stack, layer by layer
Of 8 tools, 3 came from email records, 2 from custom domain, 1 from DNS verification records and 2 from other records. 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
3 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
Company Ops
2 tools, what the team runs on day to day
Email Delivery
Workspace
What changed at Localstack
Recent starts and stops
- StoppedGroove
Localstack tech stack FAQ
What tools does Localstack use?
As of November 2026, runsonwhat has found 8 tools at Localstack (localstack.com) in public records. Edge & Hosting: Cloudflare, Google Cloud and GitHub Pages. Application: Tailwind CSS. Go-to-market: Mailchimp. Company Ops: Google Workspace and Mailchimp Transactional. Last checked November 9, 2026.
What cloud does Localstack run on?
Localstack uses Google Cloud for hosting and cloud infrastructure, alongside GitHub Pages, according to runsonwhat (November 2026). runsonwhat found Google Cloud through a subdomain that points at Google Cloud. Google Cloud is used by 77,543 companies runsonwhat tracks.
What email provider does Localstack use?
Localstack uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on localstack.com. Google Workspace is used by 417,701 companies runsonwhat tracks.
What marketing software does Localstack use?
Localstack uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp and code on localstack.com. Mailchimp is used by 118,533 companies runsonwhat tracks.
Does Localstack use Cloudflare?
Yes. runsonwhat found Cloudflare at Localstack through DNS records that point at Cloudflare and code on localstack.com. Cloudflare is a CDN & Edge tool used by 730,831 companies runsonwhat tracks.
Has Localstack changed tools recently?
Yes. On runsonwhat's rechecks, Localstack stopped using Groove (latest on November 9, 2026). A change counts only between two checks of localstack.com done the same way.
How does runsonwhat know what Localstack uses?
runsonwhat reads public records only. Of the 8 tools at Localstack, 3 were found through email records, 2 through DNS records, 2 through subdomains that point at the vendor and 1 through code on localstack.com. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and localstack.com 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.