runsonwhat

esigna's tech stack

What does esigna use?

esigna (esigna.app) uses at least 8 tools we can see from public records, including Vercel for hosting, Calendly for sales, Vercel Analytics for analytics and Clerk for sign-in. Last checked .

“Free email signature generator with professional templates. Add your headshot or logo, then export for Gmail, Outlook, and Apple Mail.”

Re-check liveVisit esigna.app
Tools found
8
Categories
6
Layers
5 of 5
Last checked
Oct 2026

esigna'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

1 tool, where the bytes are served from

Hosting & Cloud

Application

2 tools, what the product is built with

Frontend

Auth & Identity

Data & Observability

1 tool, what they measure and store

Analytics

Go-to-market

1 tool, how they find and keep customers

Sales & CRM

Company Ops

3 tools, what the team runs on day to day

Security & Compliance

Companies like esigna also use

Tools common among companies with a similar stack that we haven't found at esigna.

Companies with a stack like esigna's

Ranked by shared tools, with rare tools counting more.

esigna tech stack FAQ

What tools does esigna use?

We've found 8 tools at esigna (esigna.app). Edge & Hosting: Vercel. Application: Next.js and Clerk. Data & Observability: Vercel Analytics. Go-to-market: Calendly. Company Ops: Let's Encrypt, Sectigo and Google Trust Services. Last checked October 2, 2026.

What cloud does esigna run on?

esigna uses Vercel for hosting. We found Vercel through DNS records.

What CRM does esigna use?

esigna uses Calendly for sales and CRM. We found Calendly through website code.

What analytics tools does esigna use?

esigna uses Vercel Analytics for analytics. We found Vercel Analytics through website code.

Does esigna use Let's Encrypt?

Yes. We found Let's Encrypt at esigna through DNS records. Let's Encrypt is used by 23,019 companies we track.

How does runsonwhat know what esigna uses?

We read public traces only: esigna'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.