The apex code within this repository can be used to communicate with a server that requires NTLM authentication. Some of this code is taken from open source projects and has been modified to work within apex. You are free to do what you like with this code but keep in mind there may be some restrictions with the open source code that was used. Review the license information which can be found in the header comments of several files. Also, this code comes with no guarantees so use at your own risk.