| Date | Event |
|---|---|
| 1992-1994 | Early development of Encap at various research labs at UIUC by Chuck Thompson, Steve March, Doug Bogia, and Jason Wessel. |
| 1995 | Jason Wessel does initial development of encap.pl, first popular Encap package manager. |
| 1996-1997 | Encap spreads to CCSO and is deployed on UIArchive, the Staff/Student Cluster, and EWS. |
| Brian Swetland writes encapper.c, which operates on individual packages rather than batch mode like encap.pl. | |
| 1998 | Mark Roth develops epkg, which combines features from both encap.pl and encapper, as well as adding many extentions to the classic Encap package format. |
| 1999 | The Encap Specification is written to formally define the Encap 2.0 package format. |