Companies similar to gf.dev
Ranked by market relation, semantic similarity, web metadata, technology, category, and language signals.
Top 20 of 250,833,009 candidates
Search took 2728ms · hybrid similarity across Semantil company signals
| # | Domain & description | Country | Industry | Tech / Tier | Traffic | Similarity | Action |
|---|---|---|---|---|---|---|---|
| 1 |
FREE Tools for Webmasters, SEO, Network, Developers and SMBs
FREE tools for developers and site owners to test websites for performance, SEO, and security and receive actionable results so you can...
|
United States | Networking Toolboxes |
Very low traffic
|
95.7% | similar profile | |
| 2 |
HTTP Header Check | HackerTarget.com
Display the HTTP headers of any web site. Use the simple web interface or access the Free API to check the http headers.
|
Australia | Networking Toolboxes |
3.3M
very_high
|
92.5% | similar profile | |
| 3 |
deepdig — DNS, TLS, WHOIS, mail & network diagnostics
Free, self-hostable network diagnostics: DNS propagation & DNSSEC, SSL/TLS analyzer, WHOIS, mail (SPF/DKIM/DMARC/MTA-STS), HTTP headers,...
|
Romania | — |
Very low traffic
|
92.8% | similar profile | |
| 4 |
DNS & IP Tools, Developer & Webmaster Tools, Productivity Tools, SEO Tools
DNS, IP, Developer, Productivity and Network Tools are available. Variety of online tools such as Time Card calculator, Domain suggestion,...
|
United States | Domain Search Tools |
18.7M
very_high
|
89.1% | similar profile | |
| 5 |
CyberArsenal Pro — Free Online Security Scanner & Ethical Hacking Tools
22+ free online security scanners and 100+ ethical hacking tools. Scan websites for vulnerabilities, check SSL, find subdomains, audit...
|
— |
Very low traffic
|
92.5% | similar profile | ||
| 6 |
Security Scanner - Home
|
— |
Very low traffic
|
93.5% | similar profile | ||
| 7 |
DNS & Deliverability Suite - CaptainDNS
Improve your DNS zones and email deliverability with fast tools for DNS lookups, SPF, DKIM, DMARC audits and TLS diagnostics.
|
France | Networking Toolboxes |
No data
|
91.8% | similar profile | |
| 8 |
SiteProbe — DNS, SSL & Security Scanner
Free domain security scanner. Check SSL certificates, security headers, DNS records, email authentication, HTTP/2, and HSTS preload status...
|
— |
Very low traffic
|
92.4% | similar profile | ||
| 9 |
DomBrains - Domain, DNS, SSL & email tools + monitoring
Free tools to check SSL expiry, DMARC, SPF, DKIM, WHOIS, MX records and DNS propagation. Save your domains and get alerts before things...
|
— |
Very low traffic
|
92.1% | similar profile | ||
| 10 |
FlashMon | Web Perf & Uptime Monitoring
Monitor your website uptime, performance, and SSL health with FlashMon. The fastest monitoring tool for modern developers.
|
— |
Very low traffic
|
92% | similar profile | ||
| 11 |
SecurityTools.hub — Free Security Tools for Developers
Free online security tools: SSL checker, header analyzer, JWT decoder, DNS lookup, password strength checker, WHOIS lookup, hash generator....
|
— |
Very low traffic
|
91.8% | similar profile | ||
| 12 |
SecToolkit 101 — 91+ Security Tools. One Dashboard.
The security toolkit built for analysts. IP, DNS, SSL, email, URL, hash analysis and more.
|
United States | — |
Very low traffic
|
91.5% | similar profile | |
| 13 |
IP Address Lookup - Check Location of Your Public IP
IPLocation.io provides a free IP lookup tool to check the location of your IP Address. Data is gathered through several GEO IP data...
|
United States | Networking Toolboxes |
823k
high
|
88.5% | similar profile | |
| 14 |
NetDig — Free DNS, IP & Network Tools | DNS Lookup, Port Checker, WHOIS
Free online DNS lookup, IP address geolocation, port checker, WHOIS, SSL certificate checker, MX record lookup, SPF/DMARC checker, subnet...
|
— |
Very low traffic
|
91.6% | similar profile | ||
| 15 |
Online Tech Toolkit | Professional Network & Field Engineer Tools
A comprehensive suite of high-performance tools for field engineers. Over 25 years of expertise packed into one dashboard: Subnet...
|
— |
Very low traffic
|
91.6% | similar profile | ||
| 16 |
What is my IP? Free IP lookup + speed test · MyIPSpeed
Free instant IP lookup: see your public IPv4 + IPv6, city, ISP, and ASN. Built-in speed test for ping, download, upload. No ads, no signup,...
|
United Kingdom | — |
Very low traffic
|
91.4% | similar profile | |
| 17 |
Free Network Tools Suite - DNS, IP, Port Scanner | y4yes
Access 10+ free network tools: DNS Lookup, IP Checker, Port Scanner, Ping Test, and SSL Checker. Fast, secure, no registration required.
|
— |
Very low traffic
|
91.5% | similar profile | ||
| 18 |
StripDNS Webmaster Tools · StripDNS
WHOIS, DNS, IP, SSL/TLS, HTTP headers, and network troubleshooting tools in one dashboard.
|
United States | — |
Very low traffic
|
91.4% | similar profile | |
| 19 |
Please validate - iamroot.tech
|
Denmark | Networking Toolboxes |
Very low traffic
|
91.9% | similar profile | |
| 20 |
My-ToolsKit - Free Online Network Tools | DNS Lookup, Ping Test, Port Scanner
Free online network diagnostic tools for IT professionals, developers & system administrators. DNS lookup, ping test, traceroute, port...
|
United States | Free SEO Tools |
No data
|
91.3% | similar profile |
Similarity combines curated relation signals and semantic similarity from the Semantil company index.
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