Heimdal: I18N Free Kerberos Implementation. - Johan Danielsson; Assar Westerlund (USENIX ATC, 1998)

Arla: Freely Available AFS Client. - Johan Danielsson; Assar Westerlund (USENIX ATC, 1998)

Meta: A Freely-Available Scalable MTA. - Assar Westerlund; Love Hörnquist-Åstrand; Johan Danielsson (USENIX ATC, FREENIX Track, 1999)

Heimdal and Windows 2000 Kerberos - How to Get Them to Play Together. - Assar Westerlund; Johan Danielsson (USENIX ATC, FREENIX Track, 2001)

PerfMiner: Cluster-Wide Collection, Storage and Presentation of Application Level Hardware Performance Data. - Philip Mucci; Daniel Ahlin; Johan Danielsson; Per Ekman; Lars Malinowski (Euro-Par, 2005)