runsonwhat

Libretto's tech stack

What does Libretto use?

Libretto (libretto.sh) uses at least 15 tools we can see from public records, including Vercel for hosting, Google Workspace for email and documents, Discord for customer support and Fathom for analytics. Last checked .

Industry
Internet
Size
1–10 employees
Based in
San Francisco, United States
LinkedIn
Company page
Tools found
15
Categories
9
Layers
5 of 5
Last checked
Oct 2026

Libretto'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

Application

2 tools, what the product is built with

Data & Observability

1 tool, what they measure and store

Analytics

Go-to-market

3 tools, how they find and keep customers

Company Ops

7 tools, what the team runs on day to day

Libretto tech stack FAQ

What tools does Libretto use?

We've found 15 tools at Libretto (libretto.sh). Edge & Hosting: Vercel and Google Cloud. Application: Google Fonts. Data & Observability: Fathom. Go-to-market: LinkedIn and Discord. Company Ops: Google Workspace, Amazon SES and Let's Encrypt. Last checked October 2, 2026.

What cloud does Libretto run on?

Libretto uses Vercel and Google Cloud for hosting. We found Vercel through DNS records and custom domain.

What email provider does Libretto use?

Libretto uses Google Workspace for email and documents. We found Google Workspace through email records.

What does Libretto use for customer support?

Libretto uses Discord for customer support. We found Discord through website code.

What analytics tools does Libretto use?

Libretto uses Fathom for analytics. We found Fathom through website code.

What marketing software does Libretto use?

Libretto uses LinkedIn for marketing. We found LinkedIn through DNS verification records.

Does Libretto use Google Workspace?

Yes. We found Google Workspace at Libretto through email records. Google Workspace is used by 126,364 companies we track.

How does runsonwhat know what Libretto uses?

We read public traces only: Libretto'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.