OldGenesis mod by Deon & TomiTapio, 47.03b, ascii tiles(easy to replace), no DFHack need
You have permission to borrow parts of the raws and creature-graphics, share the wealth.
Dwarf castes' natural_skills are back.
bundled with Windows 64-bit 47.02 DF.
Pretty similar to vanilla DF, but with more friend & foe civilizations and workshops. No DFhack needed.

Creature graphics, civilizations, new weapons, new armors, workshops & reactions, plants, many creatures by Deon.
Additional minerals, leather tiers, wood tiers, Finnish language file, alcohol tiers, fine-tuning, latest reactions, updating by TomiTapio.
Many trees, few plants, many creatures by TomiTapio.

Forum thread: http://www.bay12forums.com/smf/index.php?topic=156059.0

Ironhand screenshots in Twitter hashtag OldGenesis: https://twitter.com/hashtag/oldgenesis?f=tweets&vertical=default&src=hash

Available in old-Ironhand, Phoebus, and ASCII tiles.
It is around 82% by Deon, 17% by TomiTapio, about 1% by guest contributors. Creature graphics by Deon.
Mod's roots go back to "DF Complete" by Deon, 2009. OldGenesis carried on Genesis 34.11 in fall 2012 while Deon went into an all-new Genesis 4.