filter packages
	attfilter	Exposure-specific attitude data filtering and GTI creation	pdf	ChangeLog
	dsslib	Data Subspace Library	pdf	ChangeLog
	emtaglenoise	Task to tag low-energy noise in the MOS CCDs.	pdf	ChangeLog
	epchain	Script for the EPIC PN events pipeline processing and filtering	pdf	ChangeLog
	epframes	Reformats EPIC PN events list for subsequent off-line analysis	pdf	ChangeLog
	espfilt	Creates cosmic background-filtered event lists, images, lightcurves and a qdp plot from EPIC MOS or PN pipeline-processed event lists	pdf	ChangeLog
	evlistcomb	Merges event lists from all CCD/nodes into a single event file	pdf	ChangeLog
	evselect	Filters event lists and extracts images, spectra, timeseries and histograms	pdf	ChangeLog
	psfgen	Generate PSF from ccf	pdf	ChangeLog
	rgsbkgmodel	Compute a model background from RGS background templates	pdf	ChangeLog
	selectlib	Data Selection infrastructure library	pdf	ChangeLog
	xmmselect	Interactive data selection and accumulation of products	pdf	ChangeLog