Xschem is a schematic capture application designed for analogue, mixed-signal and very large-scale integrated circuit development.
It provides an efficient environment for constructing detailed electronic schematics and generating netlists for external simulation tools. The application is particularly useful for integrated circuit design workflows involving complex hierarchical structures.
Xschem emphasises design reuse and the efficient handling of large projects. Its schematic and netlisting engines are designed to accommodate substantial designs while providing straightforward tools for editing and navigating circuit diagrams.
This is free and open source software.
Key Features
- Graphical schematic capture for analogue and mixed-signal circuit design.
- Generate SPICE, Verilog, VHDL and tEDAx netlists.
- Hierarchical circuit organisation with reusable design blocks.
- Parameterised components for creating flexible circuit structures.
- Efficient handling of large integrated circuit schematics.
- Integration with external circuit simulation tools including ngspice.
- Customisable symbol libraries for electronic components.
- Supports netlist generation for VLSI and ASIC design workflows.
- Rapid schematic rendering and navigation.
- Configurable component properties and attributes.
- Tcl scripting facilities for automation and customisation.
- Compatibility with workflows involving open-source semiconductor process design kits.
- Cross-platform support – runs on Linux and macOS.
Website: codeberg.org/stef_xschem/xschem
Support:
Developer: Stefan Frederik Schippers
License: GNU General Public License v2.0

Xschem is written in C. Learn C with our recommended free books and free tutorials.
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