runsonwhat

First Mode's tech stack

What does First Mode use?

First Mode (firstmode.com) uses at least 18 tools we can see from public records, including Microsoft 365 for email and documents, UptimeRobot for monitoring, Cloudflare for content delivery and SendGrid for email delivery. Last checked .

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Tools found
18
Categories
10
Layers
4 of 5
Last checked
Oct 2026

First Mode'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

CDN & Edge

DNS

Data & Observability

1 tool, what they measure and store

Monitoring

Go-to-market

1 tool, how they find and keep customers

Marketing

Company Ops

13 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

Finance & Legal

Security & Compliance

Companies like First Mode also use

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

Companies with a stack like First Mode's

Ranked by shared tools, with rare tools counting more.

First Mode tech stack FAQ

What tools does First Mode use?

We've found 18 tools at First Mode (firstmode.com). Edge & Hosting: Cloudflare, Amazon CloudFront and Namecheap. Data & Observability: UptimeRobot. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 4, 2026.

What email provider does First Mode use?

First Mode uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through DNS verification records and email records.

Does First Mode use Microsoft 365?

Yes. We found Microsoft 365 at First Mode through DNS verification records and email records. Microsoft 365 is used by 682,970 companies we track.

How does runsonwhat know what First Mode uses?

We read public traces only: First Mode'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.