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# XSCHEM HISTORY

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- Started in 1998 as a hobby home project when i was working at STM.
- First versions were developed on Solaris Sparc, then on linux.
- Subversion local repository in 2007.
- Sourceforge svn repository in December 2016.
- Development boost happened in 2018 to present:

1. More graphic primitives (polygons, arcs, circles).
2. Automatic 'configure' configuration.
3. standard location of installed files / docs / rcfiles.
4. Lot of improvements and bug fixes.

- Some small startups start using Xschem in 2019, getting feedbacks, bug reports and requests for improvements.
- Succesfully simulated designs (even complete systems) on NGSPICE, Xyce, HSPICE, Icarus Verilog, ModelSim, GHDL. Generic interface to simulation engines added in 2019.
- Bindings for Gtkwave, Gaw (Gwave improvement) for waveforms in 2019.
- Adding bindings to other simulators (free/proprietary) and viewers is extremely simple (edit simrc file).
- In 2020 created github repository, Joined the Skywater Free and Open source Silicon Initiative (FOSSi), created symbol libraries for the 130nm process node, get lot of user feedback.