EnviroMine by funwayguy, Gen Deathrow, thislooksfun and timbucktato:
https://enviromine.wordpress.com/license/
Streams Mod (and Farseek) by delvr:
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/2346379-streams-real-flowing-rivers
CodeChickenCore, NotEnoughItems and WR-CBE by chicken_bones:
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1279956-chickenbones-mods
Dr. Cyano's Lootable Bodies by Dr. Cyano:
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/2298198-dr-cyanos-lootable-bodies-save-your-inventory-on-a
ComputerCraft by Dan200:
http://www.computercraft.info/
Smart Moving, Render Player API and Player API core by Divisor:
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1274224-smart-moving http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1277996-player-api http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1283669-render-player-api
CustomNPC's by Noppes:
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1278956-custom-npcs
McHeli Mod by TR_GMan:
http://mchelicoptermod.weebly.com/
Chisel and Autoutils by AUTOMATIC_MAIDEN:
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1288400-chisel http://minecraft-forum.net/minecraft-mods-downloads/1-6-4-chisel-mod-download-2-2/
Flan's Mod and Content packs by Flan:
http://flansmod.com/license
Decocraft by RazzleberryFox:
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1292016-decocraft-2-2-decorations-for-minecraft-finally
MrCrayfish's Furniture Mod by Mr_Crayfish:
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1282349-mrcrayfishs-furniture-mod-v4-0-1-the-outdoor
Forge and Forgemultipart by Forge Development LLC:
http://files.minecraftforge.net/