Geometry Combiner (Advanced Mesh Combiner)

Geometry Combiner is an advanced combine tool which allows you to make your game twice or three times faster.
What made Geometry Combiner particular is light-map modifier.
Light-map modifier can setup your combine meshes for a correct,neat and fast way to interact with light-mapping.
LOD system identifier is other side of Geometry Combiner this feature can find dynamically LOD, by shortened or symbols in name of game-Object or mesh.
For instance you can put a short name of LOD at front of mesh name and just write it at list in order automatically system will combine them and puts in LOD Group.
Key Features :
-Open Source
-Document Included (Explained Features Completely)
-Easy to Understand And Manipulate
-Multi Material Support
-Can Save Mesh In Project Folder Which Allows You To Use Combined Meshes In Other Scenes
-Advanced Light-map modifier(2UV,LOD light-map,etc)
-LOD Combine (Find The Target LOD Meshes By Symbols Or Shortened Names)

Some additions props to start combine with:
-12 Prefabs
-32 Meshes
-3 Maps (1K)