Guestware's tech stack
What does Guestware use?
Guestware (guestware.com) uses at least 7 tools we can see from public records, including Microsoft 365 for email and documents, Zendesk for customer support, Wix for its website and Sentry for monitoring. Last checked .
- Industry
- Software
- Size
- 11–50 employees
- Based in
- Kirkland, United States
- Founded
- 1989
- Company page
- Tools found
- 7
- Categories
- 7
- Layers
- 5 of 5
- Changes seen
- 3
Guestware'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
1 tool, where the bytes are served from
CDN & Edge
Application
1 tool, what the product is built with
Data & Observability
1 tool, what they measure and store
Monitoring
Go-to-market
3 tools, how they find and keep customers
Company Ops
1 tool, what the team runs on day to day
Workspace
What changed at Guestware
Guestware tech stack FAQ
What tools does Guestware use?
As of November 2026, runsonwhat has found 7 tools at Guestware (guestware.com) in public records. Edge & Hosting: Fastly. Data & Observability: Sentry. Go-to-market: Wix and Zendesk. Company Ops: Microsoft 365. Last checked November 1, 2026.
What email provider does Guestware use?
Guestware uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 719,803 companies runsonwhat tracks.
What does Guestware use for customer support?
Guestware uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 42,888 companies runsonwhat tracks.
What is Guestware's website built with?
Guestware uses Wix for its website, according to runsonwhat (November 2026). runsonwhat found Wix through a subdomain that points at Wix and code on guestware.com. Wix is used by 52,115 companies runsonwhat tracks.
What monitoring tools does Guestware use?
Guestware uses Sentry for monitoring, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on guestware.com. Sentry is used by 80,054 companies runsonwhat tracks.
Does Guestware use Fastly?
Yes. runsonwhat found Fastly at Guestware through Fastly code on guestware.com. Fastly is a CDN & Edge tool used by 61,518 companies runsonwhat tracks.
Has Guestware changed tools recently?
Yes. On runsonwhat's rechecks, Guestware started using Fastly, llms.txt and Sentry (latest on October 20, 2026). A change counts only between two checks of guestware.com done the same way.
How does runsonwhat know what Guestware uses?
runsonwhat reads public records only. Of the 7 tools at Guestware, 2 were found through DNS records, 2 through code on guestware.com, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and guestware.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.