In addition to the above products, several other macOS and iOS apps are available.
Dejal Systems, LLC is an independent macOS and iOS software development company, owned and run full-time by David Sinclair. Dejal has been based in Portland, Oregon since 2001; it was originally established in New Zealand in 1991. The name "Dejal" is pronounced DEE-JILL. See the About Dejal page for more information.