Synopsys VCS - HDL Simulator of System Verilog, Verilog, and VHDL for ASIC design and verification.

PracticePanther - PracticePanther offers CRM, invoicing, time tracking and communication solutions for law firms.

ModelSim - ModelSim-Altera Software

Clio - Clio provides a full suite of web-based practice management tools targeted specifically at the administrative needs of sole practitioners and small firms.

Cadence Incisive - System Verilog, Verilog, VHDL, SystemC HDL Simulator for ASIC Design and Verification

MyCase - Practice More, Manage Less.