OpenClassrooms's tech stack
What does OpenClassrooms use?
OpenClassrooms (openclassrooms.com) uses at least 42 tools we can see from public records, including Microsoft 365 for email and documents, HubSpot for sales, Zendesk for customer support and Google Analytics for analytics. Last checked .
- Company page
- Tools found
- 42
- Categories
- 17
- Oldest proven tool
- Oct 2018
- Last checked
- Oct 2026
OpenClassrooms'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
CDN & Edge
Application
6 tools, what the product is built with
Data & Observability
5 tools, what they measure and store
Go-to-market
15 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Sales & CRM
Support & Docs
Company Ops
14 tools, what the team runs on day to day
Email Delivery
Collaboration
People & HR
Security & Compliance
What changed at OpenClassrooms
Using since
Dates come from the first certificate of the subdomain that points at the tool.
OpenClassrooms tech stack FAQ
What tools does OpenClassrooms use?
As of October 2026, runsonwhat has found 42 tools at OpenClassrooms (openclassrooms.com) in public records. Edge & Hosting: Cloudflare and Fastly. Application: jQuery, Vimeo and React. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 20, 2026.
What CRM does OpenClassrooms use?
OpenClassrooms uses HubSpot for its CRM, alongside Salesforce, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and a DNS verification record. HubSpot is used by 93,679 companies runsonwhat tracks.
What email provider does OpenClassrooms use?
OpenClassrooms uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 709,039 companies runsonwhat tracks.
What does OpenClassrooms use for customer support?
OpenClassrooms uses Zendesk for customer support and documentation, alongside Circle, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on openclassrooms.com. Zendesk is used by 41,622 companies runsonwhat tracks.
What analytics tools does OpenClassrooms use?
OpenClassrooms uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on openclassrooms.com. Google Analytics is used by 875,803 companies runsonwhat tracks.
What is OpenClassrooms's website built with?
OpenClassrooms uses Squarespace for its website, according to runsonwhat (October 2026). runsonwhat found Squarespace through a subdomain that points at Squarespace, and OpenClassrooms has used it since at least April 2025. Squarespace is used by 33,543 companies runsonwhat tracks.
How long has OpenClassrooms used Teamtailor?
OpenClassrooms has used Teamtailor since at least October 2018, going by the first public certificate of the openclassrooms.com subdomain that points at Teamtailor. Other long-running tools at OpenClassrooms include Fastly (since March 2019), Mailgun (since June 2022) and Squarespace (since April 2025).
Does OpenClassrooms use jQuery?
Yes. runsonwhat found jQuery at OpenClassrooms through jQuery code on openclassrooms.com. jQuery is a Frontend tool used by 913,240 companies runsonwhat tracks.
Does OpenClassrooms use AI tools?
Yes. runsonwhat has found Anthropic and OpenAI at OpenClassrooms; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so OpenClassrooms may use more AI tools than these.
Which companies have a tech stack similar to OpenClassrooms's?
The companies with the stacks most like OpenClassrooms' are Udacity, Printify Development SIA, Outschool and Westminster Theological Seminary, according to runsonwhat (October 2026). Each shares 13 to 20 tools with OpenClassrooms, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what OpenClassrooms uses?
runsonwhat reads public records only. Of the 42 tools at OpenClassrooms, 17 were found through DNS records, 14 through code on openclassrooms.com, 6 through subdomains that point at the vendor and 5 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and openclassrooms.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.