KeepSafe - Keep your entire photo library safely stored in an encrypted private cloud.
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
AppLock (FOSS) - A privacy App lock FOSS application.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Hexlock - Security app locker keeps apps private with smart profiles for any situation
Adobe Photoshop Express - Easily edit and share your photos in no time!