custom NPCs by Noppes:
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1278956-custom-npcs
Decocraft 2 by RazzleberryFox:
http://minecraft.curseforge.com/projects/decocraft2
Natura by mDiyo:
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1288435-1-6-x-natura
Lycanites mobs by Lycanite:
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1291613-lycanites-mobs-strange-and-deadly-creatures
Roguelike Dungeons by Greymerk: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1290238-roguelike-dungeons-v1-5-0
Twillight forest by Benimatic: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1276258-the-twilight-forest-v2-3-5-wrecking-block
Bibliocraft by Nuchaz: http://www.bibliocraftmod.com/copyright/
Armourer's Workshop by Risjyken: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/wip-mods/2309193-wip-alpha-armourers-workshop-weapon-armour-skins
Grimoire of Gaia by Silentine: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1284614-grimoire-of-gaia-3-1-0-9-mobs-monsters-monster
Botania by Vazkii: http://botaniamod.net/license.php
NotEnoughItems and CodeChickenCore by Chicken Bones: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1279956-chickenbones-mods
Voxelmap by MamiyaOtaru: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/2261180-voxelmap-1-10-1-9-4-1-8-9-1-7-10-1-6-4-a-minimap