Shadowfax's tech stack
What does Shadowfax use?
Shadowfax (shadowfax.ai) uses at least 13 tools we can see from public records, including Render for hosting, Microsoft 365 for email and documents, PostHog for analytics and Brevo for marketing. Last checked .
- Tools found
- 13
- Categories
- 10
- Layers
- 5 of 5
- Last checked
- Oct 2026
Shadowfax'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
CDN & Edge
Application
2 tools, what the product is built with
Frontend
Auth & Identity
Data & Observability
2 tools, what they measure and store
Monitoring
Analytics
Go-to-market
4 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
3 tools, what the team runs on day to day
Security & Compliance
Shadowfax tech stack FAQ
What tools does Shadowfax use?
As of October 2026, runsonwhat has found 13 tools at Shadowfax (shadowfax.ai) in public records. Edge & Hosting: Cloudflare and Render. Application: Next.js and Clerk. Data & Observability: web-vitals and PostHog. Go-to-market: LinkedIn Insight Tag, Brevo and Reddit Ads. Company Ops: Microsoft 365, Google Workspace and Cloudflare Turnstile. Last checked October 20, 2026.
What cloud does Shadowfax run on?
Shadowfax uses Render for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Render through Render code on shadowfax.ai. Render is used by 2,479 companies runsonwhat tracks.
What email provider does Shadowfax use?
Shadowfax 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 715,077 companies runsonwhat tracks.
What analytics tools does Shadowfax use?
Shadowfax uses PostHog for analytics, according to runsonwhat (October 2026). runsonwhat found PostHog through PostHog code on shadowfax.ai. PostHog is used by 10,152 companies runsonwhat tracks.
What marketing software does Shadowfax use?
Shadowfax uses Brevo for marketing, according to runsonwhat (October 2026). runsonwhat found Brevo through a DNS verification record for Brevo. Brevo is used by 80,651 companies runsonwhat tracks.
What does Shadowfax use for login and identity?
Shadowfax uses Clerk for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found Clerk through Clerk code on shadowfax.ai. Clerk is used by 1,326 companies runsonwhat tracks.
Does Shadowfax use Cloudflare?
Yes. runsonwhat found Cloudflare at Shadowfax through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 707,967 companies runsonwhat tracks.
Which companies have a tech stack similar to Shadowfax's?
The companies with the stacks most like Shadowfax's are Comfy Deploy, Orange Walrus, Themes for App and Mochi, according to runsonwhat (October 2026). Each shares 3 to 5 tools with Shadowfax, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Shadowfax uses?
runsonwhat reads public records only. Of the 13 tools at Shadowfax, 8 were found through code on shadowfax.ai, 4 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and shadowfax.ai 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.