Unfortunately there is no real alternatives, its like operating systems, one or two system have so much momentum that using anything else becomes extremely dif

Unfortunately there is no real alternatives, its like operating systems, one or two system have so much momentum that using anything else becomes extremely difficult even when they are inferior in certain domains. see http://www.fixup.fi/misc/usenix-login-2015/login_oct15_02_kantee.pdf http://www.fixup.fi/misc/usenix-login-2015/login_oct15_02_ka...