# What does Bitcastle use?

Bitcastle (bitcastle.io) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-11-13).

- Industry: Internet
- Size: 51–200 employees
- Based in: Lithuania
- Founded: 2020
- LinkedIn: https://www.linkedin.com/company/bitcastle

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain, Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code |  |
| [Nuxt](https://www.runsonwhat.com/reverse/nuxt) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [GeeTest](https://www.runsonwhat.com/reverse/geetest) | Security & Compliance | Website code |  |

## FAQ

### What tools does Bitcastle use?

As of November 2026, runsonwhat has found 14 tools at Bitcastle (bitcastle.io) in public records. Edge & Hosting: Amazon Web Services and Amazon Route 53. Application: Google Fonts, Tailwind CSS and Vue.js. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Meta Pixel and Zendesk. Company Ops: Google Workspace and GeeTest. Last checked November 13, 2026.

### What cloud does Bitcastle run on?

Bitcastle uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on bitcastle.io. Amazon Web Services is used by 147,733 companies runsonwhat tracks.

### What email provider does Bitcastle use?

Bitcastle uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on bitcastle.io. Google Workspace is used by 423,418 companies runsonwhat tracks.

### What does Bitcastle use for customer support?

Bitcastle 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 43,919 companies runsonwhat tracks.

### What analytics tools does Bitcastle use?

Bitcastle uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on bitcastle.io. Google Analytics is used by 904,972 companies runsonwhat tracks.

### Does Bitcastle use Google Fonts?

Yes. runsonwhat found Google Fonts at Bitcastle through Google Fonts code on bitcastle.io. Google Fonts is a Media & UI tool used by 826,489 companies runsonwhat tracks.

### Which companies have a tech stack similar to Bitcastle's?

The companies with the stacks most like Bitcastle's are 中消在线有限公司, BigONE, Ximalaya FM and Segmentfault 思否, according to runsonwhat (November 2026). Each shares 2 to 6 tools with Bitcastle, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Bitcastle uses?

runsonwhat reads public records only. Of the 14 tools at Bitcastle, 9 were found through code on bitcastle.io, 2 through DNS records, 2 through subdomains that point at the vendor and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and bitcastle.io about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/bitcastle.io (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.