Give the client the source code to the main program and modules but password protect all modules.

Give the client the source code in the main program but not source code in modules.

Give all source code (including source code in modules) to the client and licenses, ownership and liability as well.

License the source code so it will run on only a given processor.

Give the client the source code (including source code in modules) and sign a usage clause that prevents the client from useing source code on other jobs.

Give the client all source code (including source code in modules) and allow source code to be considered open source.

Other: