Opening the Book's tech stack
What does Opening the Book use?
Opening the Book (openingthebook.com) uses at least 8 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and Brevo for marketing. Last checked .
- Industry
- Libraries
- Size
- 11–50 employees
- Based in
- Leeds, United Kingdom
- Founded
- 1991
- Company page
- Tools found
- 8
- Categories
- 6
- Layers
- 5 of 5
- Last checked
- Oct 2026
Opening the Book'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
1 tool, what the product is built with
Media & UI
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
2 tools, how they find and keep customers
Marketing
Company Ops
3 tools, what the team runs on day to day
Email Delivery
Workspace
Opening the Book tech stack FAQ
What tools does Opening the Book use?
As of November 2026, runsonwhat has found 8 tools at Opening the Book (openingthebook.com) in public records. Edge & Hosting: Microsoft Azure. Application: Font Awesome. Data & Observability: Google Analytics. Go-to-market: Brevo. Company Ops: Microsoft 365, SendGrid and Mailjet. Last checked October 29, 2026.
What cloud does Opening the Book run on?
Opening the Book uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Microsoft Azure through a subdomain that points at Microsoft Azure and DNS records. Microsoft Azure is used by 48,477 companies runsonwhat tracks.
What email provider does Opening the Book use?
Opening the Book uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 719,196 companies runsonwhat tracks.
What analytics tools does Opening the Book use?
Opening the Book uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on openingthebook.com. Google Analytics is used by 906,470 companies runsonwhat tracks.
What marketing software does Opening the Book use?
Opening the Book uses Brevo for marketing, according to runsonwhat (November 2026). runsonwhat found Brevo through email records that authorize Brevo and code on openingthebook.com. Brevo is used by 81,363 companies runsonwhat tracks.
Does Opening the Book use Font Awesome?
Yes. runsonwhat found Font Awesome at Opening the Book through Font Awesome code on openingthebook.com. Font Awesome is a Media & UI tool used by 465,837 companies runsonwhat tracks.
How does runsonwhat know what Opening the Book uses?
runsonwhat reads public records only. Of the 8 tools at Opening the Book, 3 were found through email records, 2 through code on openingthebook.com, 2 through DNS records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and openingthebook.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.