1. magma is another solution, p, m; c( \0 O8 p
2. Astro from synopsys+ ?4 F; |2 j2 U9 z' }2 j: E% o
3. FirstEncounter from Cadence 1 a5 I: G6 w+ Z( F' d: v! H; [1 w7 F6 x / G& I3 q& \ h/ q0 {' IAll with basic DRC and LVS, you have to run Calibre, etc. to finish the final verification.
after above place and route task, you need virtuoso or laker to merge cell layouts and do some editing.; ] Z8 P' u- L; u
clean up LVS/DRC/ERC/ESD violations with calibre or (hercules, assura) tools.