1) Act the stoolie 2) Be a snitch 3) Betrayer 4) Betrayer of confidences 5) Blabber 6) Canary 7) Canary, so to speak 8) Disloyal person 9) Disloyal rat 10) Disloyal sort 11) German surname 12) Inform on the mob 13) Informant 14) Informer 15) Picket-line word 16) Slang word after rat 17) Sneak 18) Sneaker Found on https://www.crosswordclues.com/clue/fink
The Fink project is an effort to port and package open-source Unix programs to Mac OS X. Fink uses dpkg and APT (Debian`s package management system), as well as its own frontend program, fink (which is implemented as a set of Perl modules). == Implementation == Fink features a binary distribution for quick and easy installation using APT, as well.... Found on http://en.wikipedia.org/wiki/Fink