ACD Labs
SpecManager processing capabilities for 1D and 2D NMR.

GIFA
The Gifa program is a multi-purpose NMR program. It is designed for the processing, 1D, 2D and 3D NMR data-sets.

MestRe-C 2.01
The latest greatest version of the free (no strings attached) NMR processing software. 1D and 2D versions.

Spectral SDK
The spectral software development kit (SDK) is a package of OCX (ActiveX) controls to develop own spectral processing programs as easy as possible. The modules support all base functions needed to create high performance application of spectral processing.

NMRCLUST
An Automated Approach For Clustering An Ensemble Of NMR-Derived Protein Structures Into Conformationally-Related Subfamilies

Pascal-Man
Java applets for fitting nutation NMR line intensities of half-integer quadrupole spins, excited by various pulse sequences, to extract the quadrupole coupling.

matNMR
A processing toolbox under MATLAB for NMR and EPR spectra.

Guide to Bruker's 1D WINNMR
A nice guide to Bruker's processing software for the PC.

ADVASP
This spectra analysis software is especially designed for analysing NMR, MASS and IR spectra.