- 511.org
- Alexa Site Info
- Apple – Get Mac System Info
- Archive.org
- AT&T Troubleshoot & Resolve Mobile Devices
- Battery Equivalents
- Censys
- CIDR/VLSM Supernet Calculator
- Creative Cloud Status
- DistroWatch
- DMARC Inspector
- DMARC Checker
- DNS Viz
- DownDetector
- Dropbox: Incompatible files and folders
- Flash Player Online Settings Manager
- G Suite Toolbox
- Got Free Fax
- IP Location
- IPv4/IPv6 Calculator (GestióIP)
- IPv6 Address Planner
- Is it down right now?
- JavaScript Poker/Solitaire
- Microsoft Remote Connectivity Analyzer
- MX Toolbox
- Ninite
- OWASP Projects
- RealFaviconGenerator.net
- RegEx101
- regexpal
- RouterDefaults.org
- ScanURL
- Securi Security Scanner
- SitePoint Reference
- SpeedTest.net
- Thesaurus.com
- TruePeopleSearch
- SSL/TLS Installation Check
- Vagrant Boxes
- VirusTotal
- Vim colors
- VMware Tools Patches
- What’s my IP – IP Lookup
- WHOIS/DNS Lookup
- Wikipedia
- Worth of Web – Create, Develop, Track, Sell Websites
- ZoneMaster DNS tests
