- Ackley
- Alpine
- Alpine1
- Alpine2
- Bent Cigar
- Chung Reynolds
- Cosine Mixture
- Csendes
- Discus
- Dixon-Price
- Elliptic
- Griewank
- Expanded Griewank plus Rosenbrock
- Happy cat
- HGBat
- Katsuura
- Levy
- Michalewicz
- Perm
- Pintér
- Powell
- Qing
- Quintic
- Rastrigin
- Ridge
- Rosenbrock
- Salomon
- Schaffer
- Schaffer N. 2
- Schaffer N. 4
- Expanded Schaffer
- Schumer Steiglitz
- Schwefel
- Schwefel 2.21
- Schwefel 2.22
- Modified Schwefel
- Sphere
- Sphere2 -> Sphere with different powers
- Sphere3 -> Rotated hyper-ellipsoid
- Step
- Step2
- Step3
- Stepint
- Styblinski-Tang
- Sum Squares
- Trid
- Weierstrass
- Whitley
- Zakharov
You can find out more about these functions here, here, here or in the NiaPy documentation.