| barycorr | Generalized multi-mission barycenter correction tool. |
| flx2tab | Read an input text file with one or more model spectra and convert to an XSPEC table model file. |
| flx2xsp | Create spectra and response files for XSPEC from an input text file of fluxes and errors. |
| mkfiltrsp | Read an input text with a filter response to make a single channel response matrix. |
| rebingausslc | Rebin an irregularly sampled light curve (such as BAT or ASM). |
| rgsrmfsmooth | Smooth an XMM RGS response matrix for an extended source. |
| rsp2rmfarf | Split an RSP file into an RMF and an ARF. |
| sdss2xsp | Create spectra and response files for XSPEC from an SDSS spectral file. |
| sprbnarf | Rebin an ARF. |