runsonwhat

Responsive's tech stack

What does Responsive use?

Responsive (responsive.io) uses at least 52 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Vanilla Forums for customer support. Last checked .

“Responsive (formerly RFPIO) is a Strategic Response Management (SRM) software company providing AI-powered RFP automation solutions.”

Founded
2015
LinkedIn
Company page
Re-check liveVisit responsive.io
Tools found
52
Categories
22
Oldest proven tool
Sep 2023
Last checked
Oct 2026

Responsive'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

5 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

DNS

Application

8 tools, what the product is built with

Frontend

Backend & Database

AI

Search

Data & Observability

7 tools, what they measure and store

Monitoring

Analytics

Flags & Experiments

Go-to-market

14 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

18 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

People & HR

Finance & Legal

Security & Compliance

What changed at Responsive

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. SAP SuccessFactors
  2. Fastly
  3. UptimeRobot
  4. Vanilla Forums

Companies like Responsive also use

Tools common among companies with a similar stack that we haven't found at Responsive.

Companies with a stack like Responsive's

Ranked by shared tools, with rare tools counting more.

Responsive tech stack FAQ

What tools does Responsive use?

We've found 52 tools at Responsive (responsive.io). Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: React, Anthropic and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and HubSpot. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 3, 2026.

What cloud does Responsive run on?

Responsive uses Amazon Web Services and Vercel for hosting. We found Amazon Web Services through custom domain and website code.

What CRM does Responsive use?

Responsive uses HubSpot, ZoomInfo and Clickagy for sales and CRM, among 4 tools in this category. We found HubSpot through email records and website code.

What email provider does Responsive use?

Responsive uses Microsoft 365, Google Workspace and Apple Business for email and documents. We found Microsoft 365 through DNS verification records.

What does Responsive use for customer support?

Responsive uses Vanilla Forums for customer support. We found Vanilla Forums through custom domain since March 2025.

What analytics tools does Responsive use?

Responsive uses Google Analytics, Google Tag Manager and Microsoft Clarity for analytics, among 4 tools in this category. We found Google Analytics through website code.

Does Responsive use Microsoft 365?

Yes. We found Microsoft 365 at Responsive through DNS verification records. Microsoft 365 is used by 625,911 companies we track.

How does runsonwhat know what Responsive uses?

We read public traces only: Responsive's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.