My Geocaching Profile
(Vigenere Breaker, Caesar Cipher Breaker, tracking challenge caches)

The Geocaching Toolbox
(code tables, cipher types, EXIF viewer, barcode and QR reader, numerical calculators)

D-Code
(Deep bench cipher site with over 200 ciphers and multiple other puzzle tools like number calculators)

Boxentriq
(Dozens of cipher types as well as a Cipher Identifier)

Multisolver
(Cipher identifier and cracker designed by a German cacher)