OpenWeatherMap's tech stack
What does OpenWeatherMap use?
OpenWeatherMap (openweathermap.org) uses at least 19 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Salesforce for sales and Discord for customer support. Last checked .
- Founded
- 2012
- Company page
- Tools found
- 19
- Categories
- 11
- Layers
- 5 of 5
- Changes seen
- 1
OpenWeatherMap'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
Hosting & Cloud
Application
5 tools, what the product is built with
Data & Observability
3 tools, what they measure and store
Go-to-market
5 tools, how they find and keep customers
Ads & Pixels
Sales & CRM
Support & Docs
Company Ops
4 tools, what the team runs on day to day
Email Delivery
What changed at OpenWeatherMap
Recent starts and stops
- StartedMCP Registry
Companies like OpenWeatherMap also use
Tools common among companies with a similar stack that we haven't found at OpenWeatherMap.
Companies with a stack like OpenWeatherMap's
Ranked by shared tools, with rare tools counting more.
AppsFlyerappsflyer.com12in common
Truthifi, Inc.Fintech · 1–10 people11in common
Layoutlayout.link4in common
Paper Lanternpaperlantern.ai8in common
SmartbearSoftware · 201–1,000 people13in common
Philip Ilic Thomascontraption.co6in common
Scorecard AIArtificial Intelligence10in common
TradeBasisAutomotive4in common
OpenWeatherMap tech stack FAQ
What tools does OpenWeatherMap use?
As of October 2026, runsonwhat has found 19 tools at OpenWeatherMap (openweathermap.org) in public records. Edge & Hosting: Amazon Web Services and Amazon Route 53. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Mailchimp and Salesforce. Company Ops: Microsoft 365, Google Workspace and Mailchimp Transactional. Last checked October 9, 2026.
What cloud does OpenWeatherMap run on?
OpenWeatherMap uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on openweathermap.org. Amazon Web Services is used by 144,602 companies runsonwhat tracks.
What CRM does OpenWeatherMap use?
OpenWeatherMap uses Salesforce for its CRM, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on openweathermap.org. Salesforce is used by 33,245 companies runsonwhat tracks.
What email provider does OpenWeatherMap use?
OpenWeatherMap uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 698,176 companies runsonwhat tracks.
What does OpenWeatherMap use for customer support?
OpenWeatherMap uses Discord for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Discord through Discord code on openweathermap.org. Discord is used by 4,620 companies runsonwhat tracks.
What analytics tools does OpenWeatherMap use?
OpenWeatherMap 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 openweathermap.org. Google Analytics is used by 847,627 companies runsonwhat tracks.
Does OpenWeatherMap use Google Ads?
Yes. runsonwhat found Google Ads at OpenWeatherMap through Google Ads code on openweathermap.org. Google Ads is a Ads & Pixels tool used by 454,191 companies runsonwhat tracks.
Does OpenWeatherMap use AI tools?
Yes. runsonwhat has found MCP Registry at OpenWeatherMap; MCP Registry, for example, through a DNS verification record for MCP Registry. AI services called only from servers leave no public trace, so OpenWeatherMap may use more AI tools than these.
Has OpenWeatherMap changed tools recently?
Yes. On runsonwhat's rechecks, OpenWeatherMap started using MCP Registry (latest on October 9, 2026). A change counts only between two checks of openweathermap.org done the same way.
Which companies have a tech stack similar to OpenWeatherMap's?
The companies with the stacks most like OpenWeatherMap's are AppsFlyer, Truthifi, Layout and Paper Lantern, according to runsonwhat (October 2026). Each shares 4 to 12 tools with OpenWeatherMap, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what OpenWeatherMap uses?
runsonwhat reads public records only. Of the 19 tools at OpenWeatherMap, 9 were found through code on openweathermap.org, 4 through DNS records, 4 through email records, 1 through website configuration files 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 openweathermap.org 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.