osqp

2.5K downloads in the last 30 days (84/day), up 47% from the previous period.

The API has been stable (1.x) for over 8 years with 18 releases. This level of maturity means you can depend on it without worrying about breaking changes.

Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

At 18KB, osqp is lightweight. Small crate size correlates with focused, well-scoped functionality.

Notable dependents include dos-actors, peng_quad, depict, fts-solver, simple_qp. When high-quality crates choose osqp, it's a strong quality signal.