Diagrams, Flowcharts, Mind maps (examples)

Citrix communication (Visio diagram)

Disaster recovery. fixed phone communications (Visio diagram)

"Organizaciones" mapmind (Freplane)

"Servicio de mantenimiento" outline (Freplane)

A level 2 DFD (Data Flow Diagram)  (ConceptDraw)

ER diagram (Entity Relation)  (ConceptDraw)

Sequence diagram (Violet)
 

Project organization chart (Visio)

Customer screen -Storyboard Mockup (conceptDraw)

Card payment screen -Storyboard Mockup (conceptDraw)