Tangaza: frugal group messaging through speech and text. - Billy Odero; Brian Gichana Omwenga; Mokeira Masita-Mwangi; Pauline Githinji; Jonathan Ledlie (ACM DEV, 2010)

Buzzenger: Asynchronous (Time-Sliced) Missed Call Duration Messaging. - Brian Gichana Omwenga; Pauline Githinji (NSDR, 2012)

Designing the Ultimate Tech-Hub: ICT Ecosystem Virtualization and Acceleration. - Brian Gichana Omwenga (ACM DEV, 2016)