Act21 Software (Pvt) Ltd's tech stack
What does Act21 Software (Pvt) Ltd use?
Act21 Software (Pvt) Ltd (act21.io) uses at least 18 tools we can see from public records, including Brevo for marketing, Amazon Web Services for hosting, Microsoft 365 for email and documents and Google Analytics for analytics. Act21 Software (Pvt) Ltd started using llms.txt in Nov 2026. Last checked .
- Industry
- IT Services
- Size
- 51–200 employees
- Based in
- Noida, India
- Founded
- 2010
- Company page
- Tools found
- 18
- Categories
- 10
- Layers
- 5 of 5
- Changes seen
- 1
Act21 Software (Pvt) Ltd's stack, layer by layer
Of 18 tools, 14 came from website code, 1 from email records, 1 from website config and 2 from other records. 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
7 tools, what the product is built with
Data & Observability
3 tools, what they measure and store
Go-to-market
4 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
1 tool, what the team runs on day to day
Workspace
What changed at Act21 Software (Pvt) Ltd
Recent starts and stops
- Startedllms.txt
Act21 Software (Pvt) Ltd tech stack FAQ
What tools does Act21 Software (Pvt) use?
As of November 2026, runsonwhat has found 18 tools at Act21 Software (Pvt) (act21.io) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Google Fonts, Font Awesome and React. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, LinkedIn Insight Tag and Brevo. Company Ops: Microsoft 365. Last checked November 10, 2026.
What cloud does Act21 Software (Pvt) run on?
Act21 Software (Pvt) uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on act21.io. Amazon Web Services is used by 147,631 companies runsonwhat tracks.
What email provider does Act21 Software (Pvt) use?
Act21 Software (Pvt) uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on act21.io. Microsoft 365 is used by 736,692 companies runsonwhat tracks.
What analytics tools does Act21 Software (Pvt) use?
Act21 Software (Pvt) uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on act21.io. Google Analytics is used by 904,095 companies runsonwhat tracks.
What marketing software does Act21 Software (Pvt) use?
Act21 Software (Pvt) uses Brevo for marketing, according to runsonwhat (November 2026). runsonwhat found Brevo through a DNS verification record for Brevo. Brevo is used by 84,580 companies runsonwhat tracks.
Does Act21 Software (Pvt) use Google Fonts?
Yes. runsonwhat found Google Fonts at Act21 Software (Pvt) through Google Fonts code on act21.io. Google Fonts is a Media & UI tool used by 825,770 companies runsonwhat tracks.
Has Act21 Software (Pvt) changed tools recently?
Yes. On runsonwhat's rechecks, Act21 Software (Pvt) started using llms.txt (latest on November 10, 2026). A change counts only between two checks of act21.io done the same way.
How does runsonwhat know what Act21 Software (Pvt) uses?
runsonwhat reads public records only. Of the 18 tools at Act21 Software (Pvt), 14 were found through code on act21.io, 2 through DNS records, 1 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and act21.io 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.