runsonwhat

Syncthing's tech stack

What does Syncthing use?

Syncthing (syncthing.net) uses at least 9 tools we can see from public records, including Hetzner for hosting, Microsoft 365 for email and documents, updown.io for monitoring and Cloudflare for content delivery. Last checked .

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Tools found
9
Categories
7
Layers
4 of 5
Last checked
Oct 2026

Syncthing'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

4 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Application

2 tools, what the product is built with

Frontend

Media & UI

Data & Observability

1 tool, what they measure and store

Monitoring

Company Ops

2 tools, what the team runs on day to day

Email Delivery

Workspace

Companies like Syncthing also use

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

Companies with a stack like Syncthing's

Ranked by shared tools, with rare tools counting more.

Syncthing tech stack FAQ

What tools does Syncthing use?

We've found 9 tools at Syncthing (syncthing.net). Edge & Hosting: Cloudflare, Fastly and Hetzner. Application: jQuery and Font Awesome. Data & Observability: updown.io. Company Ops: Microsoft 365 and Mailgun. Last checked October 6, 2026.

What cloud does Syncthing run on?

Syncthing uses Hetzner and GitHub Pages for hosting. We found Hetzner through website code.

What email provider does Syncthing use?

Syncthing uses Microsoft 365 for email and documents. We found Microsoft 365 through website code.

Does Syncthing use Microsoft 365?

Yes. We found Microsoft 365 at Syncthing through website code. Microsoft 365 is used by 685,120 companies we track.

How does runsonwhat know what Syncthing uses?

We read public traces only: Syncthing'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.