The chances of anyone here just handing over such code are 0.
What you ask is extremely complex and is probably only going to be found in very expensive off-the-shelf products (such as RosettaStone)RosettaStone
] where those algorithms are very proprietary and very closely guarded secrets.
You can TRY open source libraries, but the level of success you get, it any at all, depends entirely on your very specific requirements and the capabilities of the libraries you test.
You can get a start by looking at this