See the Mixin mods section near the end of the document for information about that.
Some of the listed mods require a Mixin bootstrap mod in order to work. You will not want to use all of the listed mods at once. These lists try to comprehensively list all the available options. Instead, they make the base game run better, or port over features from other versions of vanilla.
This is a list of Minecraft 1.7.10 mods that are not focused on adding new original content.