SUNDIALS | Computing
https://computing.llnl.gov/projects/sundialsSUNDIALS is a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers. It consists of the following six solvers: CVODE, solves initial value problems for ordinary differential equation (ODE) systems; CVODES, solves ODE systems and includes sensitivity analysis capabilities (forward and adjoint); ARKODE, solves initial value ODE problems with additive Runge-Kutta methods, …