@startuml
!includeurl https://raw.githubusercontent.com/nott/C4-PlantUML/master/C4_Context.puml
Person(user, "User")

System(laptop, "Laptop")
System(desktop, "Desktop")
System(smartphone, "Smatphone")

System(remote, "Remote git repository")

Rel(user, laptop, "edits text", "emacs,vim")
Rel(user, desktop, "edits text", "emacs,vim")
Rel(user, smartphone, "edits text", "orgzly,markor")

Rel(laptop, remote, "synchronizes", "psy daemon")
Rel(desktop, remote, "synchronizes", "psy daemon")
Rel(smartphone, remote, "synchronizes", "psy daemon")

@enduml