open_pdks vs xschem

open_pdks

PDK installer for open-source EDA tools and toolchains. Distributed with setups for the SkyWater 130nm and Global Foundries 180nm open processes. (by RTimothyEdwards)

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opencircuitdesign.com

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A schematic editor for VLSI/Asic/Analog custom designs, netlist backends for VHDL, Spice and Verilog. The tool is focused on hierarchy and parametric designs, to maximize circuit reuse. (by StefanSchippers)

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open_pdks		xschem
	Project
2	Mentions	2
253	Stars	272
-	Growth	-
8.7	Activity	9.9
4 days ago	Latest Commit	4 days ago
Python	Language	C
Apache License 2.0	License	GNU General Public License v3.0 or later

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

open_pdks

Posts with mentions or reviews of open_pdks. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-07-07.

Are there open-source standard cell libraries that are commercial process-compatible?
2 projects | /r/chipdesign | 7 Jul 2023

However, for whatever reason the "official" repo has many problems when interacting with both open-source and commercial tools. EFabless hosts a patched and maintained version of the PDK here which is actually the recommended starting point. There are still some quirks which aren't resolved because it requires data from the manufacturer and I guess that's a slow process.
Open-source PDKs and xschem, magic
2 projects | /r/chipdesign | 8 Jul 2022

git clone https://github.com/RTimothyEdwards/open_pdks.git git_open_pdks cd git_open_pdks ./configure --enable-sky130-pdk make sudo make install

xschem

Posts with mentions or reviews of xschem. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-07-08.

Open-source PDKs and xschem, magic
2 projects | /r/chipdesign | 8 Jul 2022

git clone https://github.com/StefanSchippers/xschem cd xschem ./configure make sudo make install
don't have the time to install visual studio; what's another compiler/dev environment i can use?
2 projects | /r/C_Programming | 5 Dec 2021

Tcc is brutally fast. I use it on Linux and runs my project compiling on the fly in 100ms (on a 11 years old core i3 laptop with magnetic HDD), so i can use C as a scripting language.