after above place and route task, you need virtuoso or laker to merge cell layouts and do some editing. B9 \+ q/ V$ u% j$ F! B( c5 yclean up LVS/DRC/ERC/ESD violations with calibre or (hercules, assura) tools.
1. magma is another solution # }5 U& @' c. B& G) y2. Astro from synopsys& I9 p7 j0 b" y! e1 o- v, ]# u
3. FirstEncounter from Cadence 6 O; R7 f% [% k/ D2 R* `. h, \ . Y7 @4 S7 t, E: @2 e1 WAll with basic DRC and LVS, you have to run Calibre, etc. to finish the final verification.