I tried Alchemist-mode for about 1 hour and compiled these remarks: https://gist.github.com/vindarel/59db5d57391f35e86288f2c6bf7...

- it seems some core lisp/Slime features are not there: compile one function independently, get type warnings and errors, goto source definition working OOB, no function signature (?), find who calls a function or macro, who sets a variable, and then no interactive debugger, no stepper, no inspector… ?