Which PPC tools you use, i have some inhouse and few like some possible suggestions: Competitor Anaysis Tools Bid Management Tools
The best PPC tool is Google Adword. because it's provide best services and I also use this tool. many of the Software companies prefer this tool for SEO and Digital Marketing.
Hello, Currently many tools are there, you get idea about is. Please check this link... - http://www.chrisleadley.com/11-amazing-free-ppc-tools/