# What does Open Co use?

Open Co (open-co.com) shows public evidence of 16 tools, according to runsonwhat (last checked 2026-11-10).

- Industry: Financial Services
- Size: 51–200 employees
- Based in: São Paulo, Brazil
- Founded: 2020
- LinkedIn: https://www.linkedin.com/company/sejarebel

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [MongoDB Atlas](https://www.runsonwhat.com/reverse/mongodb) | Backend & Database | DNS verification records |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [New Relic](https://www.runsonwhat.com/reverse/newrelic) | Monitoring | DNS verification records |  |
| [Better Stack](https://www.runsonwhat.com/reverse/betterstack) | Monitoring | Custom domain |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records |  |
| [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code |  |

## 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, Website code |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | DNS verification records |  |
| [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records |  |
| [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records |  |

## FAQ

### What tools does Open use?

As of November 2026, runsonwhat has found 16 tools at Open (open-co.com) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Google Cloud. Application: Tailwind CSS and MongoDB Atlas. Data & Observability: New Relic and Better Stack. Go-to-market: Meta Pixel and Salesforce. Company Ops: Microsoft 365, Google Workspace and Atlassian. Last checked November 10, 2026.

### What cloud does Open run on?

Open uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on open-co.com. Amazon Web Services is used by 147,744 companies runsonwhat tracks.

### What CRM does Open use?

Open uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on open-co.com. Salesforce is used by 35,664 companies runsonwhat tracks.

### What email provider does Open use?

Open uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 739,101 companies runsonwhat tracks.

### What monitoring tools does Open use?

Open uses New Relic for monitoring, alongside Better Stack, according to runsonwhat (November 2026). runsonwhat found New Relic through a DNS verification record for New Relic. New Relic is used by 17,318 companies runsonwhat tracks.

### Does Open use Meta Pixel?

Yes. runsonwhat found Meta Pixel at Open through a DNS verification record for Meta Pixel. Meta Pixel is a Ads & Pixels tool used by 423,706 companies runsonwhat tracks.

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

The companies with the stacks most like Open's are Bitso, Bankifi, Particle by Digi and Biblioteksentralen, according to runsonwhat (November 2026). Each shares 4 to 9 tools with Open, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Open uses?

runsonwhat reads public records only. Of the 16 tools at Open, 10 were found through DNS records, 3 through code on open-co.com, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and open-co.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/open-co.com (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.