| scientificc/cmathl | A pure-C math library with a great variety of mathematical functions. Seeks to be close to C89/C90 compliant for portability. | MIT |
| jb55/bresenham-line.c | Bresenham's line drawing algorithm | MIT |
| mauromombelli/trigonomec | Basic implementation of 3d vector and quaternion | LGPL |
| willemt/minmax | min and max functions | public domain |
| littlstar/clamp | Macro to clamp a value between two other values | Unlicensed |
| catb0t/yacbnl | yet another C bignum library for C99 | GPL v3 |
| erstan/ceval | Parse and evaluate math expressions | MIT |
