KLayout - High Performance Layout Viewer And Editor

About KLayout:
Learn about the project.

Sample screenshots.

Documentation and resources.

Download and build:
Download links and build receipes.

Meet other users or developers.

Package Index:
Browse and register packages.

2018-05-26 The forum is back online. Now with attachments, syntax highlighting and much more. (New forum)
2018-05-25 Forum upgrade is in progress - the forum will be up again in a few days (https://www.klayout.de/forum)
2018-05-23 Maintenance for GDPR compliance is required. The forum will be unavailable for several days. (https://www.klayout.de/forum)
2018-05-06 Many thanks to Kazunari and Thomas for providing MacOS packages for 0.25.3 (https://www.klayout.de/build.html#downloads)
2018-05-05 New Release 0.25.3 with some bug fixes and enhancements. (Release Notes)
2018-03-21 MacOS packages are available for 0.25.2 now. Many thanks to Kazunari and Thomas for debugging, testing and providing the packages (https://www.klayout.de/build.html#downloads)
2018-03-21 Maintenance release 0.25.2 out (Release Notes)