klayout ☆
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Description:
IC design layout viewer and editor
Type: Cask  |  Latest Version: 0.27.13@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: ic-design layout-editor semiconductor eda gdsii
Install: brew install --cask klayout
About:
KLayout is a high-performance, open-source viewer and editor for IC design layouts, supporting industry-standard formats like GDSII and OASIS. It provides comprehensive tools for visualization, measurement, and modification of complex semiconductor designs. The software is widely used in the semiconductor industry for its robustness and extensibility through Python and Ruby scripting.
Key Features:
  • Support for GDSII, OASIS, and other industry-standard formats
  • Advanced measurement and annotation tools
  • Python and Ruby scripting capabilities
  • Cross-platform compatibility (Linux, Windows, macOS)
  • Layer management and boolean operations
Use Cases:
  • Viewing and analyzing semiconductor layout designs
  • Debugging and verifying integrated circuit geometries
  • Creating layout modifications via scripting automation
Alternatives:
  • Magic – Open-source VLSI layout tool with different focus on IC design
  • Cadence Virtuoso – Commercial suite with full design flow integration
Version History
Detected Version Rev Change Commit
Sep 17, 2025 6:19pm 0.27.13 0 VERSION_BUMP 0747d29b
Sep 15, 2025 12:33pm 0.27.13 0 VERSION_BUMP 8f3b0bd0
Aug 10, 2025 12:53pm 0.27.13 0 VERSION_BUMP cb341e40
Aug 10, 2025 12:49pm 0.28.12 0 VERSION_BUMP b0a981aa
Aug 5, 2025 2:20pm 0.28.12 0 VERSION_BUMP 843ac88e
Aug 3, 2024 7:02pm 0.28.12 0 VERSION_BUMP 60f7d5f9
Jul 12, 2024 10:43pm 0.28.12 0 VERSION_BUMP 0c2ca3f9
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