These are tools I use and recommend, depending on requirements for the task at hand. None of them are affiliate links – they’re just here for reference.
Building a new System
Logical Increments – PC Buying Guide
System Administration & Tools
GPG4Win – A Free Windows GPG Client (Encryption)
Homebrew – Package Manager for OSX
pfSense – Open Source Firewall
Cygwin – Unix emulator for Windows
NoIP – Free Dynamic DNS
Mumble – Audio Chat Server/Client
Iana Timezone Database – Where to get the Timezones
US Census 2014 Gazetteer Files – I use this mainly for Zip Code Tabulation Areas but it has much more.
GeoNames – Free database of place names.
Census Data in Google Earth – Shaded Census Overlays
OurAirports – Airport Data Download
OpenFlights – Airport / Flight Data
GapMinder – Learn some global facts, cheer up, and Watch Hans and Ola Rosling and learn How not to be ignorant about the World.
BlueHost – WordPress Hosting
NameCheap – Register a Domain Name
Laravel – My Preferred PHP Framework
Baum – Nested Set Implementation for Laravel
Laracasts – Learning the Laravel Framework
The Ultimate Guide to iPhone Resolutions (screen resolutions)
jsTree – jQuery Tree Plugin
Search Engine Optimization
The Music Bakery – Royalty Free Music – use for video mixes, etc.
Databases and Tools
Sequel Pro – Database Client for OSX (aka Pancakes)
Blue Ridge Aviation – Flight School and Rentals
ForeFlight – the app for Pilots
SkyVector – Browser based flight planning tool
Defense Internet NOTAM Service – Flight notifications for Pilots
Aviation Weather Center – METARs
VFR Excel Flight Planner – VFR Cross Country Planning Tool
OAuth 2.0 Authorization Framework – The Official Version