For the current Gap 4: 
 AutVAbel  Computing the automorphism group of a polycyclic space group
By Bettina Eick
Available:
tar archive
 SglPPow  The groups of order 3^8 and p^7
By Michael VaughanLee and Bettina Eick
Available:
PackageInfo.g and
tar archive
 LiePRing  The Lie rings of order at most p^7
By Michael VaughanLee and Bettina Eick
Available:
PackageInfo.g and
tar.gz archive
 ModIsom  Automorphisms and Isomorphisms for nilpotent
associative algebras
By Bettina Eick
Available:
PackageInfo file and
tar.gz archive
 Coclass  Propgroups of finite coclass 
A Library and Algorithms
By Bettina Eick Available:
tar.gz archive.
 Aclib  Almost Crystallographic Groups 
A Library and Algorithms
By Karel Dekimpe and Bettina Eick
Available:
GAP web page
 Alnuth  ALgebraic NUmber THeory and an interface to Kant
By Björn Assmann, Andreas Distler and Bettina Eick
Available at:
GAP web page
 AutPGrp  Computing the automorphism group of a finite pgroup
By Bettina Eick and E. A. O'Brien
Available:
GAP web page
 CrystGAP  Computing with crystallographic groups
By Bettina Eick, Franz Gaehler and Werner Nickel
Available:
GAP web page
 Format  Computing with formation theoretic subgroups
By Bettina Eick and Charles R. B. Wright
Available:
GAP web page
 GalGrp  Galois groups of certain maximal 2extensions of Q
By Bettina Eick
Available:
Readme file and
tar.gz archive
 GrpConst  Computing the groups of a given order
By Hans Ulrich Besche and Bettina Eick
Available:
GAP web page and
tar.gz archive
 Polycyclic  Computing with infinite polycyclic groups
By Bettina Eick and Werner Nickel
Available:
GAP web page
 Small Groups  A large library of small groups
By Hans Ulrich Besche, Bettina Eick and E. A. O'Brien
Available:
Web page



For Gap 4.3: 



For Gap 3.4.4: 
 Small Groups
A large library of small groups
By Hans Ulrich Besche, Bettina Eick and E. A. O'Brien
GAP component
 CrystGAP
Computing with crystallographic groups
By Bettina Eick, Franz Gaehler and Werner Nickel
GAP share package
 Formations
Computing with formations and finite soluble groups
By Bettina Eick and Charles R. B. Wright
GAP share package
 AutPGrp
Computing the automorphism group of a finite pgroup
By Bettina Eick and E. A. O'Brien
GAP share package

