1. BeTTy framework.
http://www.isa.us.es/betty/
2. Benavides, D., Segura, S., Ruiz-Cortés, A.: Automated analysis of feature models 20 years later: a literature review. Inf. Syst. 35(6), 615–636 (2010)
3. OSGi Service Platform, Core Specification. OSG Alliance – OSGi Specification
4. Moskitt Feature Modeler.
http://www.pros.upv.es/mfm/
5. Cetina, C., Pelechano, V., Trinidad, P., Ruiz-Cortés, A.: An architectural discussion on DSPL. In: SPLC (2), pp. 59–68. Lero International Science Centre, University of Limerick, Ireland (2008)