A Julia framework for implementing FFTs
Julia bindings to the FFTW library for fast Fourier transforms
The official NFFT library repository
Routines for wavefront propagation in IDL, Matlab, and Python
Transmission Electron Microscope Image Simulation
An Ada 2012 binding to the FFTW fast Fourier transform library
Vectorized libm
Multi-platform Variable Star Visualisation and Analysis
A Library is for Finite Transforms
Stress intensity factor (SIF) calculation from crack tip displacements
Interval Calculator for Engineer
Linear algebra and solver library using CUDA, OpenCL, and OpenMP
A portable C++ library for Compressed Sensing
Iterative and recursive parallelism generics for Ada 2005 and Ada 2012
X-Ray Reflectivity Frequency Analysis
Qt-based FFT implementation
small and fast library dealing with signal processing
A slick interface to see various scale analysis algorithms in action.