Is there any real basic Code Compare/merge tool available freely?

General
1

Could you please suggest, any good Real basic code compare / code merge tool?

2

Arbed
http://www.tempel.org/Arbed/

3

Or here : https://sourcegear.com/diffmerge/

4

If you have a build license & can use the Xojo text file format most version control systems will have diff tools

This is, IMHO, the best way to work