RUM
RUM is a dialect of brainfuck written and maintained by User:irskep with a few features added for convenience. RUM stands for "bRainfUck iMproved." It is in the public domain and is available on Github.
Extra Features
Procedures
RUM supports pbrain-like procedures.
Repetitions
Precede commands with numbers to repeat them that many times. The following example sets the current cell to 32:
[-]32+
Multiple procedure calls are supported with repetitions.
Strings
Strings in double quotes will be put into the standard input queue in front of any existing input and null-terminated.
Example:
"Hello, world!",[.,]
Breakpoints
RUM's "debugger," RumBottle, supports stepping through a program through the use of breakpoints. Mark them with an exclamation point.
Debugger
RUM comes with RumBottle, a Python script that shows the tape and program position as the program is executed.