   [](https://www.python.org/dev/peps/pep-0008/)  [](https://esim.readthedocs.io/en/latest/?badge=latest) [](https://github.com/fossee/esim/network) [](https://github.com/fossee/esim)  ## eSim [eSim](https://esim.fossee.in/) is an open source EDA tool for circuit design, simulation, analysis and PCB design, developed by [FOSSEE Team](https://www.fossee.in/) at [IIT Bombay](http://www.iitb.ac.in/). It is an integrated tool build using open source softwares such as KiCad, Ngspice and GHDL. ## Releases and Installation eSim is released for the following distributions (operating systems): * Ubuntu 16.04 OS and above LTS versions. * Microsoft Windows 7, 8 and 10. To use eSim on your machine having above distributions, please refer to link [here](https://esim.fossee.in/downloads) for installation and other guidelines. > Note for other distributions: You can refer [`installers`](https://github.com/fossee/eSim/tree/installers) branch for documentation on packaging (for above mentioned distributions) to build installers for your operating system in a similar way. For providing your build, please check the `Contribution` section mentioned below. ## Features * An open-source EDA tool. * Perform Circuit Design. * Perform Simulation. * Perform Layout Design. * Model builder and Subcircuit builder. * Support for Mixed-Signal Simulations including Microcontrollers. * eSim has been successfully ported to low cost FOSSEE [laptop](http://laptop.fossee.in) ## Open-Source Softwares Used * [Python](https://www.python.org/) * [KiCad](https://kicad.org/) * [NGHDL](https://github.com/fossee/nghdl) ## eSim Manual To know everything about eSim, how it works and it's feature please download manual [here](https://static.fossee.in/esim/manuals/eSim_Manual_2020_August.pdf) ## Contact For any queries regarding eSim please write us on at this [email address](mailto:contact-esim@fossee.in). ## Contribution Please refer [here](https://github.com/FOSSEE/eSim/blob/master/CONTRIBUTION.md) for further details. ## License It is developed by FOSSEE Team at IIT Bombay and is released under GNU GPL License.