I Googled the 613 OT commands.
I don't believe anyone in the world, least of all the Jews in Israel keep the following...
That the Court shall pass sentence of death by decapitation with the sword (Ex. 21:20; Lev. 26:25) (affirmative).
That the Court shall pass sentence of death by strangulation (Lev. 20:10) (affirmative).
That the Court shall pass sentence of death by burning with fire (Lev. 20:14) (affirmative).
That the Court shall pass sentence of death by stoning (Deut. 22:24) (affirmative).
To hang the dead body of one who has incurred that penalty (Deut. 21:22) (affirmative).
That the dead body of an executed criminal shall not remain hanging on the tree over night (Deut. 21:23) (negative).
To inter the executed on the day of execution (Deut. 21:23) (affirmative)
Not to accept ransom from a murderer (Num. 35:31) (negative).
To exile one who committed accidental homicide (Num. 35:25) (affirmative).
To establish six cities of refuge (for those who committed accidental homicide) (Deut. 19:3) (affirmative).
Not to accept ransom from an accidental homicide, so as to relieve him from exile (Num. 35:32) (negative).
To decapitate the heifer in the manner prescribed (in expiation of a murder on the road, the perpetrator of which remained undiscovered) (Deut. 21:4) (affirmative).
Not to plow nor sow the rough valley (in which a heifer's neck was broken) (Deut. 21:4) (negative).
To adjudge a thief to pay compensation or (in certain cases) suffer death (Ex. 21:16; Ex. 21:37; Ex. 22:1) (affirmative).
That he who inflicts a bodily injury shall pay monetary compensation (Ex. 21:18-19) (affirmative).
To impose a penalty of fifty shekels upon the seducer (of an unbetrothed virgin) and enforce the other rules in connection with the case (Ex. 22:15-16) (affirmative).
That the violator (of an unbetrothed virgin) shall marry her (Deut. 22:28-29) (affirmative).
That one who has raped a damsel and has then (in accordance with the law) married her, may not divorce her (Deut. 22:29) (negative).
Not to inflict punishment on Shabbat (Ex. 35:3) (because some punishments were inflicted by fire) (negative). See Shabbat.
To punish the wicked by the infliction of stripes (Deut. 25:2) (affirmative).
Not to exceed the statutory number of stripes laid on one who has incurred that punishment (Deut. 25:3) (and by implication, not to strike anyone) (CCN43).
Not to spare the offender, in imposing the prescribed penalties on one who has caused damage (Deut. 19:13) (negative).
To do unto false witnesses as they had purposed to do (to the accused) (Deut. 19:19) (affirmative).
Not to punish any one who has committed an offense under duress (Deut. 22:26) (negative).
http://www.jewfaq.org/613.htm