MyDRC
  Hierarchical Design Rule Check
All geometric angles
Hierarchical or flattened mode DRC
Customizable error messages
Derived layer generation
Support lambda based rule
DRACULA Command Compatible

 
LayNet
  Multi-Level Hierarchical Layout Extraction
Extract standard SPICE & HSPICE format with model names
DRACULA Command Compatible
Hierarchical Labeling
Automatically locates any device and net

 
MyLVS
  Supports standard industry file formats: SPICE, PSPICE, HSPICE
Detailed discrepancy report and matched device report
Smashing device and reducing CMOS
Display discrepancies on LayEd