Appen Limited's tech stack
What does Appen Limited use?
Appen Limited (appen.com) uses at least 51 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Zendesk for customer support. Last checked .
- Industry
- Artificial Intelligence
- Based in
- Kirkland, United States
- Founded
- 1996
- Company page
- Tools found
- 51
- Categories
- 22
- Oldest proven tool
- Jul 2018
- Last checked
- Oct 2026
Appen Limited's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
3 tools, where the bytes are served from
Application
5 tools, what the product is built with
Data & Observability
7 tools, what they measure and store
Monitoring
Flags & Experiments
Go-to-market
11 tools, how they find and keep customers
Website & CMS
Sales & CRM
Support & Docs
Company Ops
25 tools, what the team runs on day to day
Email Delivery
Collaboration
People & HR
Finance & Legal
Security & Compliance
Other traces
What changed at Appen Limited
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Companies like Appen Limited also use
Tools common among companies with a similar stack that we haven't found at Appen Limited.
Companies with a stack like Appen Limited's
Ranked by shared tools, with rare tools counting more.
ClioLegal Tech25in common
CoreWeave, Inc.coreweave.com30in common
Aircall.io, Inc.201–1,000 people30in common
Willdan Groupwilldan.com16in common
Warner Bros. DiscoveryMedia · 10,000+ people23in common
CochlearBiomedical Engineering23in common
Lite Strategy Inc.meipharma.com13in common
Uchicago ProfessionalHigher Education · 10,000+ people19in common
Appen Limited tech stack 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 3, 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 143,091 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 86,911 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 693,069 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 39,486 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 749,635 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 786,094 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.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.