Subspace's tech stack
What does Subspace use?
Subspace (thesubspace.io) uses at least 11 tools we can see from public records, including Vercel for hosting, Proton Mail for email and documents, Zoho for sales and PostHog for analytics. Last checked .
“Corporate signal intelligence platform — a forensic read of any company's hiring posture and public-record signals, sourced from public data. No AI guesses.”
- Industry
- Business Intelligence
- Founded
- 2026
- Tools found
- 11
- Categories
- 11
- Layers
- 5 of 5
- Last checked
- Oct 2026
Subspace'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
3 tools, what the product is built with
Data & Observability
2 tools, what they measure and store
Monitoring
Analytics
Go-to-market
2 tools, how they find and keep customers
Marketing
Sales & CRM
Company Ops
2 tools, what the team runs on day to day
Email Delivery
Workspace
Subspace tech stack FAQ
What tools does Subspace use?
We've found 11 tools at Subspace (thesubspace.io). Edge & Hosting: Cloudflare and Vercel. Application: Next.js and Supabase. Data & Observability: web-vitals and PostHog. Go-to-market: Zoho. Company Ops: Resend and Proton Mail. Last checked October 2, 2026.
What cloud does Subspace run on?
Subspace uses Vercel for hosting. We found Vercel through custom domain and DNS verification records.
What CRM does Subspace use?
Subspace uses Zoho for sales and CRM. We found Zoho through DNS verification records.
What email provider does Subspace use?
Subspace uses Proton Mail for email and documents. We found Proton Mail through DNS verification records and email records.
What analytics tools does Subspace use?
Subspace uses PostHog for analytics. We found PostHog through website code.
Does Subspace use Cloudflare?
Yes. We found Cloudflare at Subspace through DNS records. Cloudflare is used by 303,836 companies we track.
How does runsonwhat know what Subspace uses?
We read public traces only: Subspace's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.