TrueCrypt
Open Source
TrueCrypt is an open source software to encrypt volumes of data. It even supports the creation of virtual encrypted volumes which is portable.
AES Crypt
Open Source
AES Crypt is an advanced file encryption utility that integrates with the Windows shell or runs from the Linux command prompt to provide a simple, yet powerfu…
EncFS
Open Source
EncFS is a Free (LGPL) FUSE-based cryptographic filesystem. It transparently encrypts files, using an arbitrary directory as storage for the encrypted files.
VeraCrypt
Open Source
VeraCrypt is an open-source utility used for on-the-fly encryption (OTFE). It can create a virtual encrypted disk within a file or encrypt a partition.
CipherShed
Open Source
CipherShed is a planned source-available disk encryption program for on-the-fly encryption.
