Wren's tech stack
What does Wren use?
Wren (wren.co) uses at least 12 tools we can see from public records, including Heroku for hosting, Google Workspace for email and documents, Discord for customer support and Customer.io for marketing. Last checked .
“Wren is a monthly subscription to offset your carbon footprint.”
- Industry
- Climate
- Size
- 1–10 employees
- Based in
- San Francisco, United States
- Founded
- 2019
- Company page
- Tools found
- 12
- Categories
- 10
- Layers
- 4 of 5
- Last checked
- Oct 2026
Wren'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
3 tools, where the bytes are served from
Application
4 tools, what the product is built with
Go-to-market
4 tools, how they find and keep customers
Ads & Pixels
Support & Docs
Company Ops
1 tool, what the team runs on day to day
Workspace
Wren tech stack FAQ
What tools does Wren use?
We've found 12 tools at Wren (wren.co). Edge & Hosting: GoDaddy, Amazon CloudFront and Heroku. Application: Google Fonts, Next.js and Clerk. Go-to-market: Meta Pixel, Discord and Customer.io. Company Ops: Google Workspace. Last checked October 2, 2026.
What cloud does Wren run on?
Wren uses Heroku for hosting. We found Heroku through custom domain and website code.
What email provider does Wren use?
Wren uses Google Workspace for email and documents. We found Google Workspace through email records.
What does Wren use for customer support?
Wren uses Discord for customer support. We found Discord through website code.
What marketing software does Wren use?
Wren uses Customer.io for marketing. We found Customer.io through custom domain.
Does Wren use Google Workspace?
Yes. We found Google Workspace at Wren through email records. Google Workspace is used by 126,364 companies we track.
How does runsonwhat know what Wren uses?
We read public traces only: Wren'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.