Pro draw call is an editor extension that will easily reduce your draw calls by creating atlases for your models so they can share materials for static/dynamic batching.
Custom shaders?, no worries, the tool will automatically recognizes any shader that uses textures.
Supports Unity 5!
NOTES:
- Easy, learn after watching one of the videos.
- No scripting required.
- Meshes automatically set up and adjusted.
- Full lightmapping support.
- Your source assets will not be touched.
- Full multiple material per game object support.
- Full support for tiled materials.
- Examples included for you to see and play.
- Quick and easy object search by tag or layer.
- Option to create prefabs for the generated objects.
Still not sure? Just download the light version that can be found here, give it a try and see if it suits your needs.
ProDrawCall will not work with UVs outside of [0,0-1,1]