Challenger is described as 'Software for the encoding of files, folders and drives. For the installation and for the execution simple user rights suffice. Thereby the program is mobil usable on an USB flash drive too' and is a Disk Encryption tool in the security & privacy category. There are more than 50 alternatives to Challenger for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Challenger alternative is TrueCrypt, which is free. Other great apps like Challenger are GnuPG, Kleopatra, Axcrypt and Multron File Guardian.
Safe space is an app that creates a separate place on your android device to store valuable files. This storage location is not visible to other apps and is encrypted by the system by default.
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MySecureFolder is a Windows desktop application designed to help individuals and organizations protect sensitive folders using strong local encryption combined with configurable access controls and optional cloud-assisted features.
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GoAnywhere OpenPGP Studio™ is a free desktop tool that makes it easy to protect sensitive files using the popular OpenPGP encryption standard. Documents can be encrypted, decrypted, signed and verified from your PC or workstation using this...
PGP for Windows, MacOS and linux. Desktop application to encrypt and decrypt PGP files. It's free and easy to use. OpenPGP compatible.
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Podio is an online work platform. Combining hundreds of specialized and flexible work apps with messaging, tasks, reporting, workflow and contact management, Podio lets you build and shape the online workplace most fitting to your role.
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SecretFolder is folder hider for home and office.
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EncFS provides an encrypted filesystem in user-space. It runs without any special permissions and uses the FUSE library and Linux kernel module to provide the filesystem interface. You can find links to source and binary releases below.
Lightweight Windows software enabling batch locking and unlocking of multiple local folders to prevent unauthorized access, reading, or deletion; folders become inaccessible from File Explorer, command line, or network shares, ensuring privacy and security for user data.
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LibreCrypt (formerly DoxBox) is an open-source disk encryption for Windows and the successor of FreeOTFE
The Gnome Encfs Manager is an easy to use manager and mounter for encfs stashes. It allows you to create encrypted directories, any file that is placed in such a directory will be encrypted.
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