Source4's tech stack
What does Source4 use?
Source4 (source4.com) uses at least 7 tools we can see from public records, including Microsoft 365 for email and documents, Squarespace for its website, SendGrid for email delivery and Duo for security. Last checked .
- Industry
- Marketing and Advertising
- Size
- 201–1,000 employees
- Based in
- Huntersville, United States
- Founded
- 1978
- Company page
- Tools found
- 7
- Categories
- 6
- Layers
- 3 of 5
- Last checked
- Oct 2026
Source4'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.
Application
1 tool, what the product is built with
Media & UI
Go-to-market
2 tools, how they find and keep customers
Website & CMS
Marketing
Company Ops
4 tools, what the team runs on day to day
Source4 tech stack FAQ
What tools does Source4 use?
We've found 7 tools at Source4 (source4.com). Application: Adobe Fonts. Go-to-market: Squarespace. Company Ops: Microsoft 365, SendGrid and Duo. Last checked October 7, 2026.
What email provider does Source4 use?
Source4 uses Microsoft 365 for email and documents. We found Microsoft 365 through email records and DNS verification records.
What CMS does Source4 use?
Source4 uses Squarespace for its website. We found Squarespace through custom domain and website code.
Does Source4 use Microsoft 365?
Yes. We found Microsoft 365 at Source4 through email records and DNS verification records. Microsoft 365 is used by 685,748 companies we track.
How does runsonwhat know what Source4 uses?
We read public traces only: Source4'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.