| Name | Version | Status | Requirements | Standalone | Web Applet | License | VO Ready | Notes |
|---|---|---|---|---|---|---|---|---|
| SExtractor | 2.3.2 | Mature | POSIX | YES | NO | Free | NO | Has been wrapped into a couple of WebServices . |
| ACE | 0.4 | Beta | IRAF | NO | NO | Free | NO | Fast. Not released yet. |
| DAOPHOT II | 1.3.2 | Mature | POSIX | YES | NO | Free | NO | Available for may platforms (e.g. IRAF, IDL). |
| DOPHOT | 3.1 | Mature | POSIX | YES | NO | Free | NO | Web site not accessible. |
| MOPEX/APEX | 1.6 | Mature? | Solaris/Linux | YES | NO | Free | NO | Developed for Spitzer data. |