Char's tech stack
What does Char use?
Char (char.com) uses at least 28 tools we can see from public records, including Amazon Web Services for hosting, Google Workspace for email and documents, Discord for customer support and Google Analytics for analytics. Last checked .
“The AI notepad that knows and works for you”
- Industry
- Productivity
- Size
- 1–10 employees
- Based in
- Seoul, South Korea
- Company page
- Tools found
- 28
- Categories
- 15
- Layers
- 5 of 5
- Last checked
- Oct 2026
Char'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
3 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
8 tools, what the product is built with
Frontend
Auth & Identity
Payments & Billing
Media & UI
Data & Observability
3 tools, what they measure and store
Monitoring
Analytics
Go-to-market
5 tools, how they find and keep customers
Support & Docs
Company Ops
9 tools, what the team runs on day to day
Workspace
Collaboration
Dev Tools
Security & Compliance
Char tech stack FAQ
What tools does Char use?
We've found 28 tools at Char (char.com). Edge & Hosting: Cloudflare, Amazon Web Services and Vercel. Application: Google Fonts, Anthropic and Tailwind CSS. Data & Observability: Google Analytics, Sentry and PostHog. Go-to-market: Discord, Mintlify and Tally. Company Ops: Google Workspace, Let's Encrypt and Sectigo. Last checked October 2, 2026.
What cloud does Char run on?
Char uses Amazon Web Services and Vercel for hosting. We found Amazon Web Services through subprocessor list.
What email provider does Char use?
Char uses Google Workspace for email and documents. We found Google Workspace through email records.
What does Char use for customer support?
Char uses Discord and Mintlify for customer support. We found Discord through website code.
What payment provider does Char use?
Char uses Stripe for payments. We found Stripe through subprocessor list.
What analytics tools does Char use?
Char uses Google Analytics and PostHog for analytics. We found Google Analytics through subprocessor list and website code.
Does Char use Cloudflare?
Yes. We found Cloudflare at Char through DNS records and website code. Cloudflare is used by 567,369 companies we track.
How does runsonwhat know what Char uses?
We read public traces only: Char'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.