The Photographer's Toolbox:
PixieSet – Create beautiful client photo galleries. It’s gorgeous. Mobile-friendly. And allows you to easily take payments online.
Adobe Lightroom – This one is pretty much a staple now for most photographer’s.
Photo Inspiration – Search photos based on which camera they were taken with.
500px – Another source of inspiration for your next great photo idea.
CreativeMarket – HUGE collection of Lightroom Presets.
Flickr – An endless source of photo inspiration.
Lens Hero – Find the lens that’s right for you.