This is a Navier-Stokes solver and an Oseen solver based on the augmented Lagrangian-based preconditioners (Benzi, Olshanskii, 2006; Benzi, Olshanskii, Wang, 2011; Benzi, Wang, 2011) and relaxed dimensional factorization preconditioner (Benzi, Ng, Niu, Wang, 2011).