Which is free best memory leak tool any suggestion?

Question

Code is in C/C++ and some scripts in shell and PHP, any suggestion other then building inhouse tool.

Answer 1

There is a static code analysis tool
http://www.coverity.com/

I have used this and its pretty good.

Comments

Let me give a try thanks

Answer 2

To detect all the memory leaks in your code, I would recommend you to use Valgrind. Its a powerful tool.
Not only does it tell you about the mem leaks but also about the invalid read/writes, i.e., if you are trying to access a memory which you are not supposed to.