Packsize's tech stack
What does Packsize use?
Packsize (packsize.com) uses at least 46 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, Apollo.io for sales and Freshdesk for customer support. Last checked .
- Based in
- United States
- Founded
- 2002
- Company page
- Tools found
- 46
- Categories
- 18
- Oldest proven tool
- Oct 2017
- Last checked
- Oct 2026
Packsize'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
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
3 tools, what the product is built with
Data & Observability
5 tools, what they measure and store
Flags & Experiments
Go-to-market
7 tools, how they find and keep customers
Website & CMS
Marketing
Ads & Pixels
Sales & CRM
Support & Docs
Company Ops
29 tools, what the team runs on day to day
Email Delivery
Finance & Legal
What changed at Packsize
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Companies like Packsize also use
Tools common among companies with a similar stack that we haven't found at Packsize.
Companies with a stack like Packsize's
Ranked by shared tools, with rare tools counting more.
KandjiSoftware · 201–1,000 people20in common
DialpadSoftware · 1,001–5,000 people23in common
Farm Credit Services Of AmericaFinancial Services · 1,001–5,000 people13in common
The Aspen GroupHealthcare · 10,000+ people14in common
LegoraLegal · 201–1,000 people12in common
Papa John'sRestaurant · 10,000+ people11in common
Relay FinancialFintech · 51–200 people13in common
Parliamentary Digital ServiceIT Services · 201–1,000 people13in common
Packsize tech stack FAQ
What tools does Packsize use?
We've found 46 tools at Packsize (packsize.com). Edge & Hosting: Cloudflare and Microsoft Azure. Application: jQuery, MongoDB Atlas and Wistia. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Webflow and Pardot. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 3, 2026.
What cloud does Packsize run on?
Packsize uses Microsoft Azure for hosting. We found Microsoft Azure through custom domain.
What CRM does Packsize use?
Packsize uses Apollo.io and 6sense for sales and CRM. We found Apollo.io through website code.
What email provider does Packsize use?
Packsize uses Microsoft 365, Google Workspace and Apple Business for email and documents. We found Microsoft 365 through DNS verification records and email records.
What does Packsize use for customer support?
Packsize uses Freshdesk for customer support. We found Freshdesk through email records.
What analytics tools does Packsize use?
Packsize 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 Packsize use Microsoft 365?
Yes. We found Microsoft 365 at Packsize through DNS verification records and email records. Microsoft 365 is used by 245,233 companies we track.
How does runsonwhat know what Packsize uses?
We read public traces only: Packsize'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.