Search for Tweeps?

Twiangulate.com! Analyzing the connections between friends and followers! It lets you find common followers of two troll acts as a way to flush out a troll cliqué. Really a neat little tool Twiangulate discovers hidden tweeters, friends of friends (or friends of enemies), micro-influentials who only insiders follow… or sometimes just friends you haven’t yet seen tweeting.There will be many occasions where you’ll find yourself going back to this site!

Other than “IFTTT” ?

If you are an IFTTT (IFThisThenThat) user; It might be that you like the look of it, but it doesn’t quite suit your needs or the way you work, or it doesn’t connect the “channels” that you use or want! You might want to take a look at these services too.