- General
- Astronomical
- AIPS - NRAO's Astronomical Image Processing System
- AIPS++ - the next generation of AIPS
- ASDS - Astronomical Software Directory Service
- Astronomical Software from the SAO Telescope Data Center
- ASTRO-D mission information, robot graphics software, etc.
- FITS - Flexible Image Transport System
- IDL
- IPAC infrared analysis tools, including IRSKY, ISSA-PS, XCATSCAN, and XSCANPI
- IRAF - Image Processing and Analysis Facility
- Khoros, from Khoral Research, Inc.
- Linux for Astronomy CD-ROM
- MIDAS (including a FAQ)
- Physics Academic Software
- Pickles software for pointing HST
- SAOimage
- SAOtng - SAOimage, The Next Generation
- Space Physics software (xspace)
- Starlink
- STSDAS (Space Telescope Science Data Analysis System)
- Starlink
- xsimbad, X11-based interface for SIMBAD archive
- Communications
- Games
- Graphical
- Mail
- Documentation
- ELM
- MIME - Multimedia Internet Mail Extensions
- PINE
- Mathematical
- DADiSP Worksheet, for graphical data analysis
- Mathematica from Wolfram
- NAG - Numerical Algorithms Group Ltd
- StatLib statistical software library
- Networking
- Programming
- Security
- FTP site for much security related software
- CERT - Computer Emergency Response Team
- CIAC - Computer Incident Advisory Capability
- COPS - Computer Oracle and Password System
- Crack, a password cracking program
- FIRST - Forum of Incident Response and Security Teams
- ISS - Internet Security Scanner
- NASIRC - NASA Automated Systems Incident Response Capability
- npasswd, a replacement passwd program
- PGP - Pretty Good Privacy
- SATAN - Security Administrator Tool for Analyzing Networks
- Courtney, a tool to monitor attacks by SATAN
- Securelib, a security tool for RPC
- TAMU, a UNIX auditing tool
- Tripwire, a UNIX filesystem integrity checker
- Viruses
- Newsgroup: comp.security.announce
- System Administration
- Textual
- Desktop Publishing
- Editors
- Alpha, an editor for the Macintosh
- CRISP, a BRIEF-compatible editor
- JED, an emacs-like editor
- The RTF Format, used by Microsoft Word
- Emacs
- nvi, an improved version of ex and vi
- pstotext
- Spelling Checkers
- ispell, an interactive spelling checker
- TeX
- World of Words - Macintosh word processing resource from the folks at TidBITS
- Utilities
- Video
- MBONE
- video boards
- videoconferencing
- WWW
- X Window System
- The X Consortium
- FAQs
- Motif
- X Clients
- "tee" clients
- xanim, movie player
- xearth, display an image of the earth on the root window
- xephem, interative astronomical ephemeris
- xgobi, a 3d data visualization tool
- xkeycaps, a graphical front-end to xmodmap
- xspread, a spreadsheet
- xv, graphics display
- Window managers
- Programming
- fresco, an object-oriented API
- Security
- Newsgroups
pls@@astro.caltech.edu