# What does Appen Limited use? Appen Limited (appen.com) shows public evidence of 51 tools, according to runsonwhat (last checked 2026-10-10). - Industry: Artificial Intelligence - Based in: Kirkland, United States - Founded: 1996 - LinkedIn: https://www.linkedin.com/company/appen ## 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 | Custom domain | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | ## 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 | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [ElevenLabs](https://www.runsonwhat.com/reverse/elevenlabs) | AI | DNS verification records | | ## 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 | | | [Crazy Egg](https://www.runsonwhat.com/reverse/crazyegg) | Analytics | Website code | | | [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | Custom domain, DNS verification records, Website code | 2020-04 | | [Amplitude](https://www.runsonwhat.com/reverse/amplitude) | Analytics | Website code | | | [Intellimize](https://www.runsonwhat.com/reverse/intellimize) | Flags & Experiments | Website code | | | [CloudHealth](https://www.runsonwhat.com/reverse/cloudhealth) | Monitoring | DNS verification records | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records | | | [Webflow](https://www.runsonwhat.com/reverse/webflow) | Website & CMS | Custom domain, Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [Marketo](https://www.runsonwhat.com/reverse/marketo) | Marketing | Custom domain | 2018-07 | | [6sense](https://www.runsonwhat.com/reverse/sixsense) | Sales & CRM | Website code | | | [SolarWinds Service Desk](https://www.runsonwhat.com/reverse/solarwinds-service-desk) | Support & Docs | DNS verification records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Website code | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | DNS verification records | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records | | | [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records | | | [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records | | | [Jamf](https://www.runsonwhat.com/reverse/jamf) | Security & Compliance | DNS verification records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [Figma](https://www.runsonwhat.com/reverse/figma) | Collaboration | DNS verification records | | | [GoTo](https://www.runsonwhat.com/reverse/goto) | Collaboration | DNS verification records | | | [Dropbox](https://www.runsonwhat.com/reverse/dropbox) | Collaboration | DNS verification records, Website code | | | [Docker](https://www.runsonwhat.com/reverse/docker) | Dev Tools | DNS verification records | | | [Citrix](https://www.runsonwhat.com/reverse/citrix) | Dev Tools | DNS verification records | | | [Dell Technologies](https://www.runsonwhat.com/reverse/dell-technologies) | Other traces | DNS verification records | | | [Remote](https://www.runsonwhat.com/reverse/remote) | People & HR | DNS verification records | | ## FAQ ### What tools does Appen use? As of October 2026, runsonwhat has found 51 tools at Appen (appen.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Crazy Egg. Go-to-market: Google Ads, Mailchimp and LinkedIn Insight Tag. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 10, 2026. ### What cloud does Appen run on? Appen uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 144,878 companies runsonwhat tracks. ### What CRM does Appen use? Appen uses HubSpot for its CRM, alongside 6sense, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on appen.com. HubSpot is used by 92,110 companies runsonwhat tracks. ### What email provider does Appen use? Appen uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on appen.com. Microsoft 365 is used by 701,710 companies runsonwhat tracks. ### What does Appen use for customer support? Appen uses Zendesk for customer support and documentation, alongside SolarWinds Service Desk, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 40,934 companies runsonwhat tracks. ### What analytics tools does Appen use? Appen uses Google Analytics for analytics, alongside Google Tag Manager, Crazy Egg and Amplitude, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on appen.com. Google Analytics is used by 853,379 companies runsonwhat tracks. ### How long has Appen used Marketo? Appen has used Marketo since at least July 2018, going by the first public certificate of the appen.com subdomain that points at Marketo. Other long-running tools at Appen include Atlassian Statuspage (since April 2020). ### Does Appen use jQuery? Yes. runsonwhat found jQuery at Appen through jQuery code on appen.com. jQuery is a Frontend tool used by 897,845 companies runsonwhat tracks. ### Does Appen use AI tools? Yes. runsonwhat has found Anthropic, OpenAI and ElevenLabs at Appen; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Appen may use more AI tools than these. ### Which companies have a tech stack similar to Appen's? The companies with the stacks most like Appen's are Clio, CoreWeave, Aircall.io and Willdan Group, according to runsonwhat (October 2026). Each shares 16 to 30 tools with Appen, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Appen uses? runsonwhat reads public records only. Of the 51 tools at Appen, 27 were found through DNS records, 13 through code on appen.com, 7 through email records and 4 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and appen.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/appen.com (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.