Following the gretl 2020a release, I've put up a variant package for macOS (>= 10.6) at http://ricardo.ecn.wfu.edu/pub/gretl/gretl-quartz.pkg (note: it's not on sourceforge at this point). This version announces itself as 2020b-git but its content is exactly the same as 2020a. Only the initialization is changed to make it more compatible with Apple's new security model. Old scheme: Clicking on the Gretl.app icon invokes a bash script /Applications/Gretl.app/Contents/MacOS/gretl.sh which sets up the environment and calls "real gretl" at /Applications/Gretl.app/Contents/Resources/bin/gretl New scheme: Clicking on the Gretl.app icon invokes "real gretl" at /Applications/Gretl.app/Contents/MacOS/gretl, with the environment setup now internalized in C code. Under the new scheme, if you wish to start gretl from a Terminal window you should invoke /Applications/Gretl.app/Contents/MacOS/gretl. Allin