HEATKEYS

Free web-based IP address and domain name tools for Ping, Traceroute, NSLookup, CIDR, geolocation and HTML Validator

Internet and Intranet Services in Bromley, Orpington, and Sevenoaks

CSGNetwork Free Information. Calculators, Converters, Glossary, Open Source Code... find something. Most pages require JavaScript.

SmartConversion offers free online conversion of various units of measurement, such as area, color, data, density, energy, force, length, mass, power, pressure, speed, temperature, time, volume, prefix.

Freeware PHP scripts & micro-applications, including phpThumb(), backupDB(), doSQL(), phPie() and LastXgraph()

WWW.KLOTH.NET, mostly about radio and communications (ITU frequency allocations table, Q-codes, Z-codes, maritime selcall, selcalling), software, internet, (dig, nslookup, whois, bad bots, anti-spam), link-collections about radio, solar, fina...

AboutMyX provides services for network administrators and web masters. Services include free monitoring for server uptime, web spell checker, backup and restore tool using rsync and syslog viewer for PIX firewall.

Online DNS tools. DNS lookup, reverse DNS lookup. Domain configuration check. IP address calculators.

Tejji provides service for following IP Address, Time and Date, Zip Codes & Typing Test. Best part is most of the services are free for internet users