| Multiple file loader front end | 2453 |
| Time-Frequency Toolkit | 2052 |
| Interactive Dartboard | 1848 |
| GenCurvefit | 1521 |
| IR File Loaders | 1289 |
| Baseline Spline Fit | 942 |
| SOCKIT - a TCP/IP client for speaking and listening to network sockets using IGOR Pro | 933 |
| SpXZeigR - Graphing for Chemical Spectroscopies | 846 |
| XRD Calculator | 813 |
| Wavelet correlations | 808 |
| Planck Distribution Plot | 799 |
| Semi-Automated Routines for Functional Image Analysis (SARFIA) | 767 |
| Screen Sizer | 742 |
| Slideshow | 740 |
| XMLutils - XOP to facilitate working with XML files | 658 |
| Baseline Fitting | 608 |
| Window Desktops | 593 |
| LaTeXinIGOR | 559 |
| Link Display | 554 |
| An interior-point gradient method for large-scale totally nonnegative least squares problems | 516 |
