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    • verilator

      Public
      Verilator open-source SystemVerilog simulator and lint system
      SystemVerilog
      Other
      762000Updated Feb 21, 2026Feb 21, 2026
    • Challenge for 2026 ML Sys Interns
      Python
      921418Updated Jan 27, 2026Jan 27, 2026
    • Macro Placement - benchmarks, evaluators, and reproducible results from leading methods in open source
      Verilog
      BSD 3-Clause "New" or "Revised" License
      56000Updated Jan 11, 2026Jan 11, 2026
    • yosys

      Public
      Yosys Open SYnthesis Suite
      C++
      ISC License
      1k000Updated Dec 14, 2025Dec 14, 2025
    • slang

      Public
      SystemVerilog compiler and language services
      C++
      MIT License
      204000Updated Dec 9, 2025Dec 9, 2025
    • Verilog
      Apache License 2.0
      3200Updated Nov 29, 2025Nov 29, 2025
    • MIT License
      0000Updated Nov 11, 2025Nov 11, 2025
    • OpenTimer

      Public
      A High-performance Timing Analysis Tool for VLSI Systems
      Verilog
      Other
      174101Updated Nov 10, 2025Nov 10, 2025
    • Deep learning toolkit-enabled VLSI placement
      C++
      BSD 3-Clause "New" or "Revised" License
      253000Updated Sep 29, 2025Sep 29, 2025
    • Limbo

      Public
      Library for VLSI CAD Design Useful parsers and solvers' api are implemented.
      C++
      MIT License
      61000Updated Aug 10, 2025Aug 10, 2025
    • HRM

      Public
      Hierarchical Reasoning Model Official Release
      Python
      Apache License 2.0
      1.8k000Updated Aug 3, 2025Aug 3, 2025
    • flute

      Public
      Flute 3.1 with CMake support
      C++
      Other
      4000Updated May 9, 2025May 9, 2025
    • abc_TCL

      Public
      ABC: System for Sequential Logic Synthesis and Formal Verification
      C
      Other
      726000Updated Apr 18, 2025Apr 18, 2025
    • aiger

      Public
      AIGER And-Inverter-Graph Library
      C
      Other
      31000Updated Apr 15, 2025Apr 15, 2025
    • OpenSTA

      Public
      OpenSTA engine
      C++
      GNU General Public License v3.0
      234000Updated Apr 1, 2025Apr 1, 2025
    • OpenROAD

      Public
      OpenROAD's unified application implementing an RTL-to-GDS Flow. Documentation at https://openroad.readthedocs.io/en/latest/
      Verilog
      BSD 3-Clause "New" or "Revised" License
      797000Updated Feb 8, 2025Feb 8, 2025
    • CULS

      Public
      GPU-based logic synthesis tool
      C++
      BSD 3-Clause "New" or "Revised" License
      15001Updated Dec 8, 2024Dec 8, 2024
    • openlane2

      Public
      The next generation of OpenLane, rewritten from scratch with a modular architecture
      Python
      Apache License 2.0
      73000Updated Dec 8, 2024Dec 8, 2024
    • OpenROAD's scripts implementing an RTL-to-GDS Flow. Documentation at https://openroad-flow-scripts.readthedocs.io/en/latest/
      Verilog
      Other
      438000Updated Dec 4, 2024Dec 4, 2024