Foldkit's tech stack
What does Foldkit use?
Foldkit (foldkit.dev) uses at least 10 tools we can see from public records, including Vercel for hosting, Fastmail for email and documents, Discord for customer support and Cloudflare for content delivery. Last checked .
“Foldkit is an open source TypeScript frontend framework built on Effect, developed in the open on GitHub.”
- Tools found
- 10
- Categories
- 7
- Layers
- 4 of 5
- Last checked
- Oct 2026
Foldkit'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
1 tool, what the product is built with
Go-to-market
2 tools, how they find and keep customers
Marketing
Support & Docs
Company Ops
5 tools, what the team runs on day to day
Workspace
Security & Compliance
Companies like Foldkit also use
Tools common among companies with a similar stack that we haven't found at Foldkit.
Companies with a stack like Foldkit's
Ranked by shared tools, with rare tools counting more.
Foldkit tech stack FAQ
What tools does Foldkit use?
We've found 10 tools at Foldkit (foldkit.dev). Edge & Hosting: Cloudflare and Vercel. Go-to-market: Discord. Company Ops: Let's Encrypt, Sectigo and DigiCert. Last checked October 2, 2026.
What cloud does Foldkit run on?
Foldkit uses Vercel for hosting. We found Vercel through DNS verification records, DNS records and website code.
What email provider does Foldkit use?
Foldkit uses Fastmail for email and documents. We found Fastmail through email records.
What does Foldkit use for customer support?
Foldkit uses Discord for customer support. We found Discord through website code.
Does Foldkit use Cloudflare?
Yes. We found Cloudflare at Foldkit through DNS records. Cloudflare is used by 151,951 companies we track.
How does runsonwhat know what Foldkit uses?
We read public traces only: Foldkit'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.