Spur
Spur analyzes internet infrastructure and network signals to help investigators interpret obfuscated connections.
Spurspur.usVisit siteAbout Spur
Spur analyzes internet infrastructure and network signals to help investigators interpret obfuscated connections.
Spur is a website in our Security Tools collection, part of the Privacy & Security directory. It runs in your web browser, so there's nothing to install.
People usually find Spur when they’re looking for security and security tools.
Not quite what you need? Close alternatives include Zeek, NetGuard, and SSLLabs — compare them below.
Spur at a glance
- Website
- spur.us
- Category
- Privacy & Security › Security Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Automated check blocked
- Listed
- Oct 5, 2026
Guides for Security Tools
Spur alternatives
Tools and sites you could use instead, ranked by how closely they match.
Zeek analyzes network activity through an open source monitor with a flexible scripting language.
Block internet access per Android app with NetGuard, a firewall that does not require root.
SSL Labs provides tools for testing SSL and TLS configurations and related public key infrastructure.
Free trial
24 alternatives
CheckFileType identifies unknown files without extensions by analyzing their contents.
Free
24 alternativesManage Windows Firewall rules and receive outbound connection notifications with Windows Firewall Control.
The Hitch proxy handles TLS connections for Varnish and is described by its project as open source.
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Spur FAQ
What is Spur?
Spur analyzes internet infrastructure and network signals to help investigators interpret obfuscated connections.
Can I use Spur in my browser?
Yes. Spur works on the web, so you can use it from any modern browser without installing anything.
What is Spur used for?
People use Spur for security and security tools, within our security tools category.
Is Spur working?
The automated check was blocked on Oct 6, 2026, so it could not confirm whether spur.us was available. You can try its website directly.
What are the best alternatives to Spur?
Popular alternatives to Spur include Zeek, NetGuard, SSLLabs, and CheckFileType. We list 12+ options matched by topic, tags and features.
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