Sites, blogs, etc. for download free and paid fonts:

• µfonts (no account, free)
• 1001 Free Fonts (no account, free)
• Abstract Fonts (no account, free)
• AZ Fonts (no account, free)
• Behance (only projects)
• Creative Fabrica (account needed, paid, Freebies)
• Creative Market (paid) @
  • Freebies
• Creamundo
• DaFont
• DailyFreeFonts
• FFonts
• Fonts2u
• Font Bundles (paid) @
  • Freebies
• Fontex
• Fontfabric
• Font Freak
• Fonts of Chaos
• FontSpace
• Font Squirrel
• FontYukle
• FontZone
• FreeDesignClub
• Free Fonts
• Freeware Fonts
• Just—My—Type
• Kreativ Font (paid) @
  • Freebies
• Lost Type Co-op
• MyFonts
• Ten by Twenty
• The League of Moveble Type
• TheHungryJPEG.com (paid) @
  • Freebie
  • Freebies
• typedepot
• Urban Fonts

Tools and apps:

• Font Finder by What Font Is
• WhatTheFont! by MyFonts
• FontLab
• Calligraphr

Thanks to: dan.'s list