Reversing is not easy. But we can make it easier with various methods. Software developers often turn to reverse engineering when faced with a challenging task: enhancing software security, making software compatible with third-party components, maintaining, and so on. So here are some useful tools for reversing.
1. IDA Pro
IDA Pro as a disassembler is capable of creating maps of their execution to show the binary instructions that are actually executed by the processor in a symbolic representation (assembly language). Advanced techniques have been implemented into IDA Pro so that it can generate assembly language source code from machine-executable code and make this complex code more human-readable. (Visit Official Website)

2. API Monitor
API Monitor is a free software that lets you monitor and control API calls made by applications and services. Its a powerful tool for seeing how applications and services work or for tracking down problems that you have in your own applications.(Official Website)

3. HxD – Hex Editor
There are so many hex editors, This is one of the tools from these. HxD is a carefully designed and fast hex editor which, additionally to raw disk editing and modifying of main memory (RAM), handles files of any size. The easy to use interface offers features such as searching and replacing, exporting, checksums/digests, insertion of byte patterns, a file shredder, concatenation or splitting of files, statistics and much more. (Official Site)

4. dnSpy – .NET Assembly Editor
dnSpy is a debugger and .NET assembly editor. You can use it to edit and debug assemblies even if you don’t have any source code available.
It has many features including hex editor,Assembly Editor and Debugger. (Link)

5. Fiddler – Web Debugging Proxy
Fiddler is a debugging proxy server tool used to log, inspect, and alter HTTP and HTTPS traffic between a computer and a web server or servers. (Link)
