decklens is an open-source command-line tool that provides semantic diffing for CAE (Computer-Aided Engineering) input files. It helps engineers and simulation developers compare and analyze changes in simulation setups across formats like OpenRadioss, NASTRAN, and LS-DYNA.
In the Other dev tools space, decklens takes a focused approach. It focuses on comparing and understanding changes in complex CAE input files for engineering simulations. It is built as an open-source project for engineering simulation developers. decklens is open source under the MIT license. The product ships for the command line.
decklens first shipped in 2026. Key capabilities include semantic diff, CAE file support, and engineering-aware comparison.
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