E4M license.
TrueCrypt license 1.0 (1.0, 1.0a, 2.1, 2.1a, 3.0, 3.0a, 3.1, 3.1a).
TrueCrypt license 2.0 (4.0, 4.1, 4.2).
TrueCrypt license 2.1 (4.2a).
TrueCrypt license 2.2 (4.3).
TrueCrypt license 2.3 (4.3a).
TrueCrypt license 2.4 (5.0, 5.0a, 5.1, 5.1a).
TrueCrypt license 2.5 (6.0, 6.0a).
TrueCrypt license 2.6 (6.1, 6.1a, 6.2).
TrueCrypt license 2.7 (6.2a).
TrueCrypt license 2.8 (6.3, 6.3a).
TrueCrypt license 3.0 (7.0, 7.0a, 7.1, 7.1a).
TrueCrypt license 3.1 (7.2).