runsonwhat

Penzu Inc.'s tech stack

What does Penzu Inc. use?

Penzu Inc. (penzu.com) uses at least 14 tools we can see from public records, including Amazon Web Services for hosting, Google Workspace for email and documents, Google Analytics for analytics and Bugsnag for monitoring. Last checked .

“Penzu is a free online diary and personal journal focused on privacy. Easily keep a secret diary or a private journal of notes and ideas securely on the web.”

Founded
2008
Re-check liveVisit penzu.com
Tools found
14
Categories
10
Layers
5 of 5
Last checked
Oct 2026

Penzu Inc.'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

Hosting & Cloud

CDN & Edge

DNS

Application

1 tool, what the product is built with

Frontend

Data & Observability

4 tools, what they measure and store

Monitoring

Analytics

Go-to-market

3 tools, how they find and keep customers

Marketing

Ads & Pixels

Company Ops

3 tools, what the team runs on day to day

Email Delivery

Workspace

Companies like Penzu Inc. also use

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

Companies with a stack like Penzu Inc.'s

Ranked by shared tools, with rare tools counting more.

Penzu Inc. tech stack FAQ

What tools does Penzu Inc. use?

We've found 14 tools at Penzu Inc. (penzu.com). Edge & Hosting: Cloudflare, Amazon Route 53 and Amazon Web Services. Application: Next.js. Data & Observability: Google Analytics, Google Tag Manager and Bugsnag. Go-to-market: Google Ads and Google Ad Manager. Company Ops: Google Workspace, SendGrid and Postmark. Last checked October 4, 2026.

What cloud does Penzu Inc. run on?

Penzu Inc. uses Amazon Web Services for hosting. We found Amazon Web Services through custom domain.

What email provider does Penzu Inc. use?

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

What analytics tools does Penzu Inc. use?

Penzu Inc. uses Google Analytics, Google Tag Manager and Mixpanel for analytics. We found Google Analytics through website code.

Does Penzu Inc. use Cloudflare?

Yes. We found Cloudflare at Penzu Inc. through website code. Cloudflare is used by 147,753 companies we track.

How does runsonwhat know what Penzu Inc. uses?

We read public traces only: Penzu Inc.'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.