Runs and outputs multiple bash commands in one terminal. Each command gets a color. "pip install termcolor" is needed.

tails.py

import fcntl, os, re, sys, signal
from subprocess import Popen, PIPE
from termcolor import colored
from itertools import cycle

RE = re.compile(r'(?:\x1B[@-_]|[\x80-\x9F])[0-?]*[ -/]*[@-~]')
CLEARLN = "\033[2K\r"

def escape_ansi(s):
    return RE.sub('', s)

def nonblock(stream):
    fcntl.fcntl(stream, fcntl.F_SETFL, fcntl.fcntl(stream, fcntl.F_GETFL) | os.O_NONBLOCK)

def popen(cmd):
    return Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE, universal_newlines=True, executable='/bin/bash')

def output(proc, color):
    for line in proc.stdout.readlines():
        print(colored(escape_ansi(line), color), end="")
    for line in proc.stderr.readlines():
        print(colored(escape_ansi(line), "red"), end="")

def hr():
    nonblock(sys.stdin)
    for _ in sys.stdin.readlines():
        print(colored("-" * os.get_terminal_size().columns, "white", "on_grey"), "\n", sep="")

def signal_handler(sig, frame):
    print(CLEARLN, end="")
    sys.exit(0)

signal.signal(signal.SIGINT, signal_handler)

def main():
    procs = [popen(x) for x in cmds]

    for proc in procs:
        nonblock(proc.stdout)
        nonblock(proc.stderr)

    while True:
        for proc, color in zip(procs, cycle(colors)):
            output(proc, color)

        hr()

colors = ["white", "green", "yellow", "blue", "magenta", "cyan", "grey"]

cmds = [
    "tail -f /var/log/foo",
    "cd /project && runserver",
    "date && sleep 5",
]

main()