Here is a list of all files with brief descriptions:

[detail level 123456]

▼ Assets
▼ MeshBaker
▼ scripts
▼ _testing
MB2_TestShowHide.cs
MB2_TestUpdate.cs
MB3_TestAddingRemovingSkinnedMeshes.cs
MB3_TestBakeAllWithSameMaterial.cs
MB3_TestRenderTextureTestHarness.cs
▼ core
MB2_Core.cs
MB2_Log.cs
MB2_MBVersion.cs
MB2_TexturePacker.cs
MB3_AtlasPackerRenderTexture.cs
MB3_CopyBoneWeights.cs
MB3_MeshCombiner.cs
MB3_MeshCombinerSimple.cs
MB3_MultiMeshCombiner.cs
MB3_TextureCombiner.cs
MB3_UVTransform.cs
MB_Utility.cs
▼ Editor
▼ core
MB3_BakeInPlace.cs
MB3_MBVersionEditor.cs
MB3_MeshBakerEditorFunctions.cs
MB3_TextureCombinerEditorFunctions.cs
MB_EditorUtil.cs
▼ searchFilters
MB3_GroupByAlreadyAdded.cs
MB3_GroupByLightmapIndex.cs
MB3_GroupByMaterial.cs
MB3_GroupByOutOfBoundsUVs.cs
MB3_GroupByRenderType.cs
MB3_GroupByShader.cs
MB3_GroupByStatic.cs
MB3_BatchPrefabBakerEditor.cs
MB3_BoneWeightCopierEditor.cs
MB3_DisableHiddenAnimationsEditor.cs
MB3_GameObjectMaterialInfo.cs
MB3_MBVersionConcreteEditor.cs
MB3_MeshBakerEditor.cs
MB3_MeshBakerEditorInternal.cs
MB3_MeshBakerEditorWindow.cs
MB3_MeshBakerGrouperEditor.cs
MB3_MultiMeshBakerEditor.cs
MB3_SearchFilters.cs
MB3_ShaderTexturePropertyDrawer.cs
MB3_TextureBakerEditor.cs
MB3_TextureBakerEditorInternal.cs
▼ TextureBlenders
TextureBlender.cs
TextureBlenderFallback.cs
TextureBlenderLegacyBumpDiffuse.cs
TextureBlenderLegacyDiffuse.cs
TextureBlenderStandardMetallic.cs
TextureBlenderStandardSpecular.cs
MB2_TextureBakeResults.cs
MB2_UpdateSkinnedMeshBoundsFromBones.cs
MB2_UpdateSkinnedMeshBoundsFromBounds.cs
MB3_BatchPrefabBaker.cs
MB3_BoneWeightCopier.cs
MB3_DisableHiddenAnimations.cs
MB3_MBVersionConcrete.cs
MB3_MeshBaker.cs
MB3_MeshBakerCommon.cs
MB3_MeshBakerGrouper.cs
MB3_MeshBakerRoot.cs
MB3_MultiMeshBaker.cs
MB3_TextureBaker.cs