Unbound is a validating, recursive, and caching DNS resolver.
A high-performance DNS stub resolver for bulk lookups and reconnaissance (subdomain enumeration)
A C library for asynchronous DNS requests
Fast and embedded solvers for nonlinear optimal control and nonlinear model predictive control
Parallel solvers for sparse linear systems featuring multigrid methods.
High-performance interior-point-method QP and QCQP solvers
Official development repository for SUNDIALS - a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers. Pull requests are welcome for bug fixes and minor changes.
SCIP - Solving Constraint Integer Programs
Splitting Conic Solver