IDRIX developed TrueCrypt .
`` Alternatives include VeraCrypt , a freeware based on the TrueCrypt code ( by French company IDRIX ) , and the open-source , TrueCrypt-compatible , DiskCryptor project ( started by a former TrueCrypt forum member `` '' ntldr '' '' , and the alternative that is recommended by the Electronic Frontier Foundation ) ,   as well as numerous other commercial and open-source products.  ''
TrueCrypt