ILSpy versus .NET Reflector

ILSpy - open source.NET assembly browser, decompiler and software utility for Microsoft .NET combining class browsing, static analysis and decompilation. Tool for code internal assemblies code analyze or reflector tool for our applications to improve the performance or to know the internals of the assembly we have created. I was using Red Gate .NET Reflector earlier for same as it was free and with frequent updates. Now Red Gate has made that tool paid (about 35$) version so I found alternative tools from that I can see IL and C# code easily for free. Why we need to pay money if we can develop open source product like ILSpy? That decompiler tool almost giving same functionalities like .NET Reflector. More...