Workout Routines

I am looking for some good moves/routines to help me with trimming my tummy fat. I have done 100 sit ups a night, but that gets boring after a while. Any other moves I can do that don’t require a lot of workout equipment?

im talking mainly about my upper body workouts, like the arms, shoulders, etc…..every monday, wednesday, and friday, i workout using some dumbbells since im still in highschool and dont want to start going to a gym yet. i do 2 sets of 10 dumbbell curls, 2 sets of 10 hammer curls, 2 sets of 12 [...]

I need good workout routines for using only a barbell. and good abs workout