Image Editing

• DxO PureRaw
• Topaz Photo Ai

Photography Planning Apps

• The Photographer's Ephemeris (TPE)
• PhotoPills
• RadarScope Pro
• Lightning Pro

Other Apps

• Viewfinder
• Gaia GPS
• FlightRadar24

Review Sites

• The Center Column - reviews of tripods

Photography Forums

• fredmiranda.com
• dpreview.com
• getdpi.com