# What does 9to5 Software use?

9to5 Software (9to5.software) shows public evidence of 13 tools, according to runsonwhat (last checked 2026-10-06).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Delft, Netherlands
- Founded: 2012
- LinkedIn: https://www.linkedin.com/company/2703397

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code |  |
| [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code |  |
| [Firebase](https://www.runsonwhat.com/reverse/firebase) | Backend & Database | DNS records, Website code |  |
| [Nuxt](https://www.runsonwhat.com/reverse/nuxt) | Frontend | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |
| [Attio](https://www.runsonwhat.com/reverse/attio) | Sales & CRM | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records |  |

## FAQ

### What tools does 9to5 Software use?

As of October 2026, runsonwhat has found 13 tools at 9to5 Software (9to5.software) in public records. Edge & Hosting: Fastly. Application: Google Fonts, Vue.js and Lottie. Go-to-market: Mailchimp and Attio. Company Ops: Microsoft 365, Google Workspace and Atlassian. Last checked October 6, 2026.

### What CRM does 9to5 Software use?

9to5 Software uses Attio for its CRM, according to runsonwhat (October 2026). runsonwhat found Attio through a DNS verification record for Attio. Attio is used by 237 companies runsonwhat tracks.

### What email provider does 9to5 Software use?

9to5 Software uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 700,623 companies runsonwhat tracks.

### What marketing software does 9to5 Software use?

9to5 Software uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 113,084 companies runsonwhat tracks.

### Does 9to5 Software use Google Fonts?

Yes. runsonwhat found Google Fonts at 9to5 Software through Google Fonts code on 9to5.software. Google Fonts is a Media & UI tool used by 789,876 companies runsonwhat tracks.

### Which companies have a tech stack similar to 9to5 Software's?

The companies with the stacks most like 9to5 Software's are Delta-v, Cosine, Diraq and Superwall, according to runsonwhat (October 2026). Each shares 3 to 5 tools with 9to5 Software, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what 9to5 Software uses?

runsonwhat reads public records only. Of the 13 tools at 9to5 Software, 6 were found through DNS records, 5 through code on 9to5.software and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 9to5.software about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/9to5.software (updated October 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.