Nondegenerate solitons have been demonstrated in recent years that they potentially allow a further increase of information transmission rates in optical communication due to their stable double-hump structures. In this paper, the femtosecond nondegenerate solitons in optical fibers which are described by the coupled higher-order nonlinear Schrödinger equations, are investigated. Analytical nondegenerate soliton solutions are constructed by the developing Hirota method. And the constraints for stable double-hump structures are put forward. Furthermore, soliton molecules and asymmetric solitons are also found as the new types of nondegenerate solitons. The interactions between two nondegenerate solitons are studied in their propagation.