CasualKrypt 1.1 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program's installer is commonly called CasualKrypt.exe or CK 1.14.exe etc.
The following version: 1.1 is the most frequently downloaded one by the program users. The actual developer of the free program is sosavpm. We recommend checking the downloaded files with any free antivirus. CasualKrypt lies within Security Tools, more precisely Privacy.
From the developer:
CasualKrypt is a simple and intuitive encryption/decryption tool that enables quick and easy enc/dec of text files or on-the-go messages. This program is meant for casual en/dec. DO NOT, for the love of god, encrypt your company's Top Secret reports.
You may want to check out more software, such as WildBlue Security Center, BrowseControl or Bdm To Go, which might be similar to CasualKrypt.