KLayout

Mac layout viewer and editor with GDS and OASIS support for easy editing, undo/redo, and transformat
Oct 09, 2026
Rating:
3.0 on 1 vote
Category:
Design & Photo › Viewers & Editors
Developer:
klayout
License:
Freeware
Total downloads:
404
Latest version:
0.27.7

Description

A layout viewer and editor designed for Mac that supports GDS and OASIS file formats, automatically uncompressing zlib compatible formats. It offers true, in-place editing within subcells and has a variant building function. Take advantage of unlimited undo/redo capabilities and a smart partial editing function for adjusting shapes, edges, and vertices.

Download of KLayout 0.27.7 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software is categorized as Design & Photo Tools. The actual developer of this free software for Mac is klayout. We recommend checking the downloaded files with any free antivirus. The following version: 0.2 is the most frequently downloaded one by the program users.

From the developer:

KLayout is a simple layout viewer and editor for Mac.

Main features:
- Support of GDS and OASIS file formats with automatic uncompression of zlib compatible formats.
- True, in-place editing in subcells, variant building function.
- Unlimited undo/redo.
- Smart partial editing function to stretch shapes, move edges or vertices.
- Copy and paste of shapes and whole cells, even to other layouts.
- Global transformation to flip/rotate image.

You may want to check out more software for Mac, such as Vectorworks 2010 Viewer, RealCADD or DropImageURL, which might be related to KLayout.

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