Equivalent Exchange 2

Supports Minecraft 1.1, 1.2.3, 1.2.4, 1.2.5, 1.4.5, 1.4.7

Unofficial 1.4.5 and 1.4.7 versions by shengjing1: http://www.mcbbs.net/thread-85579-1-1.html

Equivalent Exchange 3

Supports Minecraft 1.2.5, 1.4.2, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.5.1, 1.5.2, 1.6.4, 1.7.10, 1.7.2

Builds were available at http://ee3.pahimar.com and https://dl.dropboxusercontent.com/u/25591134/EE3/. To this day, https://legacy.curseforge.com/minecraft/mc-mods/ee3 exists and only builds not available there are archived here. Due to large amounts of 1.6.4 and beyond releases, I only included a couple of those...