HermiteSpline.jl
Univariate cubic Hermite interpolation for representation and evaluation of piecewise $C^1$-continuous curves.
Installation
julia> using Pkg
julia> Pkg.Registry.add("https://visual2.cs.ovgu.de/roessl/VCJuliaRegistry.git")
julia> Pkg.add("HermiteSpline")
julia> using HermiteSpline