Fl3xx's tech stack
What does Fl3xx use?
Fl3xx (fl3xx.com) uses at least 19 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Zendesk for customer support. Last checked .
- Industry
- Airlines/aviation
- Size
- 51–200 employees
- Based in
- Vienna, Austria
- Founded
- 2010
- Company page
- Tools found
- 19
- Categories
- 12
- Layers
- 5 of 5
- Last checked
- Oct 2026
Fl3xx'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
Payments & Billing
Media & UI
Data & Observability
2 tools, what they measure and store
Go-to-market
5 tools, how they find and keep customers
Website & CMS
Marketing
Sales & CRM
Support & Docs
Company Ops
8 tools, what the team runs on day to day
Dev Tools
Security & Compliance
Fl3xx tech stack FAQ
What tools does Fl3xx use?
As of October 2026, runsonwhat has found 19 tools at Fl3xx (fl3xx.com) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Application: Google Fonts and Stripe. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: HubSpot, Zoho and Zendesk. Company Ops: Microsoft 365, Google Workspace and Let's Encrypt. Last checked October 19, 2026.
What cloud does Fl3xx run on?
Fl3xx uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 145,143 companies runsonwhat tracks.
What CRM does Fl3xx use?
Fl3xx uses HubSpot for its CRM, alongside Zoho, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on fl3xx.com. HubSpot is used by 92,787 companies runsonwhat tracks.
What email provider does Fl3xx use?
Fl3xx 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 705,155 companies runsonwhat tracks.
What does Fl3xx use for customer support?
Fl3xx uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 41,228 companies runsonwhat tracks.
What payment provider does Fl3xx use?
Fl3xx uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on fl3xx.com. Stripe is used by 26,772 companies runsonwhat tracks.
Does Fl3xx use Google Fonts?
Yes. runsonwhat found Google Fonts at Fl3xx through Google Fonts code on fl3xx.com. Google Fonts is a Media & UI tool used by 797,170 companies runsonwhat tracks.
How does runsonwhat know what Fl3xx uses?
runsonwhat reads public records only. Of the 19 tools at Fl3xx, 10 were found through DNS records, 3 through code on fl3xx.com, 3 through email records and 3 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and fl3xx.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.