The following are some of the known uses of Wapp in the wild:
The checklist application used to
manage testing and release of SQLite is a Wapp script.
Source code for the checklist
application is at https://sqlite.org/checklistapp.
The skins page of Fossil is implemented
as a simple Wapp script.
The search feature on the SQLite
homepage is implemented using a Wapp-script, seen
(NB: The search.tcl.in script is processed using
prior to being deployed.)