CST's tech stack
What does CST use?
CST (cst.st) uses at least 10 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics and Ethiack for security. Last checked .
- Industry
- Telecommunications
- Size
- 51–200 employees
- Based in
- São Tomé, São Tomé And Príncipe
- Founded
- 1989
- Company page
- Tools found
- 10
- Categories
- 6
- Layers
- 4 of 5
- Changes seen
- 2
CST'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.
Application
6 tools, what the product is built with
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
2 tools, what the team runs on day to day
Workspace
Security & Compliance
What changed at CST
Companies like CST also use
Tools common among companies with a similar stack that we haven't found at CST.
Companies with a stack like CST's
Ranked by shared tools, with rare tools counting more.
MEOTelecommunications · 1,001–5,000 people5in common
Celfinet (Portugal)Telecommunications · 201–1,000 people6in common
Altice LabsTelecommunications · 201–1,000 people8in common
TVCABO MZTelecommunications · 201–1,000 people5in common
Lexus PortugalAutomotive · 51–200 people6in common
BIRBanking · 51–200 people6in common
Optimum MedicalHealthcare · 51–200 people9in common
Dataonline LLCIT Services · 51–200 people3in common
More Telecommunications companies
Other Telecommunications companies we've checked.
CST tech stack FAQ
What tools does CST use?
As of October 2026, runsonwhat has found 10 tools at CST (cst.st) in public records. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics. Company Ops: Microsoft 365 and Ethiack. Last checked October 20, 2026.
What email provider does CST use?
CST uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 712,527 companies runsonwhat tracks.
What analytics tools does CST use?
CST uses Google Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on cst.st. Google Analytics is used by 883,648 companies runsonwhat tracks.
Does CST use jQuery?
Yes. runsonwhat found jQuery at CST through jQuery code on cst.st. jQuery is a Frontend tool used by 918,011 companies runsonwhat tracks.
Has CST changed tools recently?
Yes. On runsonwhat's rechecks, CST started using Vimeo and YouTube (latest on October 20, 2026). A change counts only between two checks of cst.st done the same way.
Which companies have a tech stack similar to CST's?
The companies with the stacks most like CST's are MEO, Celfinet (Portugal), Altice Labs and TVCABO MZ, according to runsonwhat (October 2026). Each shares 5 to 8 tools with CST, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what CST uses?
runsonwhat reads public records only. Of the 10 tools at CST, 7 were found through code on cst.st, 3 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and cst.st 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.