# What does OpenSynergy GmbH use? OpenSynergy GmbH (opensynergy.com) shows public evidence of 16 tools, according to runsonwhat (last checked 2026-11-08). - Industry: Software - Size: 11–50 employees - Based in: Berlin, Germany - Founded: 2007 - LinkedIn: https://www.linkedin.com/company/opensynergy-gmbh ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [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 | |---|---|---|---| | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Wix](https://www.runsonwhat.com/reverse/wix) | Website & CMS | Custom domain, Email records, Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, 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 | | | [Usercentrics](https://www.runsonwhat.com/reverse/usercentrics) | Security & Compliance | Website code | | | [Personio](https://www.runsonwhat.com/reverse/personio) | People & HR | Website code | | ## Recent changes at OpenSynergy GmbH - 2026-11-08: started using again [Anthropic](https://www.runsonwhat.com/reverse/anthropic) - 2026-11-08: started using again [Atlassian](https://www.runsonwhat.com/reverse/atlassian) - 2026-11-08: started using again [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) - 2026-10-31: stopped using [Anthropic](https://www.runsonwhat.com/reverse/anthropic) - 2026-10-31: stopped using [Atlassian](https://www.runsonwhat.com/reverse/atlassian) - 2026-10-31: stopped using [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) ## FAQ ### What tools does OpenSynergy use? As of November 2026, runsonwhat has found 16 tools at OpenSynergy (opensynergy.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: GSAP, React and Anthropic. Data & Observability: Sentry. Go-to-market: Wix. Company Ops: Microsoft 365, Atlassian and KnowBe4. Last checked November 8, 2026. ### What cloud does OpenSynergy run on? OpenSynergy 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 opensynergy.com. Amazon Web Services is used by 147,240 companies runsonwhat tracks. ### What email provider does OpenSynergy use? OpenSynergy 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 729,238 companies runsonwhat tracks. ### What is OpenSynergy's website built with? OpenSynergy uses Wix for its website, according to runsonwhat (November 2026). runsonwhat found Wix through a subdomain that points at Wix and email records. Wix is used by 52,355 companies runsonwhat tracks. ### What does OpenSynergy use for hiring and HR? OpenSynergy uses Personio for hiring and HR, according to runsonwhat (November 2026). runsonwhat found Personio through Personio code on opensynergy.com. Personio is used by 402 companies runsonwhat tracks. ### What monitoring tools does OpenSynergy use? OpenSynergy uses Sentry for monitoring, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on opensynergy.com. Sentry is used by 80,037 companies runsonwhat tracks. ### Does OpenSynergy use Cloudflare? Yes. runsonwhat found Cloudflare at OpenSynergy through Cloudflare code on opensynergy.com. Cloudflare is a CDN & Edge tool used by 730,584 companies runsonwhat tracks. ### Does OpenSynergy use AI tools? Yes. runsonwhat has found Anthropic at OpenSynergy; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so OpenSynergy may use more AI tools than these. ### Has OpenSynergy changed tools recently? Yes. On runsonwhat's rechecks, OpenSynergy started using Anthropic, Atlassian and KnowBe4 (latest on November 8, 2026) and stopped using Anthropic, Atlassian and KnowBe4 (latest on October 31, 2026). A change counts only between two checks of opensynergy.com done the same way. ### Which companies have a tech stack similar to OpenSynergy's? The companies with the stacks most like OpenSynergy's are Ramblr.ai, Penneo, socialPALS and Clean Globe Staffing, according to runsonwhat (November 2026). Each shares 3 to 7 tools with OpenSynergy, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what OpenSynergy uses? runsonwhat reads public records only. Of the 16 tools at OpenSynergy, 9 were found through code on opensynergy.com, 5 through DNS records, 1 through website configuration files 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 opensynergy.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/opensynergy.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.