# What does Open Systems International use?

Open Systems International (osii.com) shows public evidence of 17 tools, according to runsonwhat (last checked 2026-11-10).

- Founded: 1992
- LinkedIn: https://www.linkedin.com/company/aspen-technology

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [Ceros](https://www.runsonwhat.com/reverse/ceros) | Media & UI | 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 |  |
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code |  |
| [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [6sense](https://www.runsonwhat.com/reverse/sixsense) | Sales & CRM | Website code |  |
| [PathFactory](https://www.runsonwhat.com/reverse/pathfactory) | Marketing | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |
| [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code |  |
| [EasyRedir](https://www.runsonwhat.com/reverse/easyredir) | Other traces | Custom domain |  |

## FAQ

### What tools does Open Systems International use?

As of November 2026, runsonwhat has found 17 tools at Open Systems International (osii.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Ceros. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, LinkedIn Insight Tag and 6sense. Company Ops: Microsoft 365, Atlassian and Proofpoint. Last checked November 10, 2026.

### What sales tools does Open Systems International use?

The sales tools runsonwhat has found at Open Systems International are 6sense (November 2026); no CRM shows up in Open Systems International's public records. runsonwhat found 6sense through 6sense code on osii.com. 6sense is used by 3,233 companies runsonwhat tracks.

### What email provider does Open Systems International use?

Open Systems International uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 735,565 companies runsonwhat tracks.

### What analytics tools does Open Systems International use?

Open Systems International uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on osii.com. Google Analytics is used by 904,013 companies runsonwhat tracks.

### What marketing software does Open Systems International use?

Open Systems International uses PathFactory for marketing, according to runsonwhat (November 2026). runsonwhat found PathFactory through PathFactory code on osii.com. PathFactory is used by 206 companies runsonwhat tracks.

### Does Open Systems International use jQuery?

Yes. runsonwhat found jQuery at Open Systems International through jQuery code on osii.com. jQuery is a Frontend tool used by 927,250 companies runsonwhat tracks.

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

The companies with the stacks most like Open Systems International's are Mnubo Is Now Part Of Aspen Technology, Paradigm (France), Dataiku and AspenTech, according to runsonwhat (November 2026). Each shares 12 to 16 tools with Open Systems International, 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 Systems International uses?

runsonwhat reads public records only. Of the 17 tools at Open Systems International, 13 were found through code on osii.com, 2 through DNS records, 1 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 osii.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/osii.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.