Downloads
The latest version of eSim (v2.5) launched on 3rd July 2025
Source Code: eSim | NGHDL | KiCad (for eSim) | eSim IP Library | Pspice KiCad Converter |
eSim 2.5: [ Release: 03/07/2025]
- Installation Instructions | User Manual | Release Notes
- Installers:
| Ubuntu 22.04, 23.04 and 24.04 LTS (including Flavors): |
Windows 8, 10, and 11 (64-bit): |
 extra spaceeSim-2.5.zip: 96.2 MB |
 extra spaceeSim-2.5_installer.exe: 456.4 MB |
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SHA256SUM: b9860ae26f026930bae589520761f4a57b85d593a2e2cd1ac83d5e5db2f281ed
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SHA256SUM: 9b67aabdde5ec15225ea89fec27bb2cf94f61ec922ac88e86395d576a90c85d5 |
eSim 2.4: [ Release: 05/09/2023]
Note: There are some changes in eSim-2.4, please follow the installation instructions carefully
In case you face some issue with eSim-2.4, please try a more stable version eSim-2.3
- Installation Instructions | User Manual | Release Notes
- Installers:
| Ubuntu 18.04 and 20.04 LTS (including Flavors): |
Windows 8, 10, and 11 (64-bit): |
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extra space eSim-2.4.zip: 71.5 MB |
extra space eSim-2.4_installer.exe: 388.5 MB |
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SHA256SUM: e9a0f37d8202ccd3a255da47f246e2dd611281793d4c90103399c4646d293f1e |
SHA256SUM: 1691dad868910afd70a98d0bf7864820be5c94b8889da3e6106f4e43a4e860c7 |
eSim 2.3 (Special Release for SkyWater SKY130 PDK):
[Release: 19/09/2022]
NOTE for Ubuntu users: Please check THIS for Kicad installation.
- Installation Instructions | User Manual | Release Notes
- Installers:
| Ubuntu 18.04 and 20.04 LTS (including Flavors): |
Windows 8, 10, and 11 (64-bit): [ Release for Windows 11 is experimental ] |
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extra space eSim-2.3.zip: 73.7 MB |
extra space eSim-2.3_installer.exe: 369 MB |
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SHA256SUM: 102922dc8b4b42e198b175baee819665ec72efa979ed5013778229516233e019 |
SHA256SUM : 26008af9d487d5939fcf1a6dfc90d78c32979afc5a8f627da11c95ab4c3814d9 |
Old Releases:
eSim 2.2: [ Release: 25/02/2022]
- Installation Instructions | User Manual | Release Notes
- Installers:
| Ubuntu 18.04 and 20.04 LTS (including Flavors): |
Windows 8 and 10 (64-bit): |
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eSim-2.2.zip: 21 MB
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SHA256SUM: 3b0bc609c22d4e5e8f75fd940b344260cf605e8dc6262516a2bb330fc6e35f9f |
SHA256SUM: 8c4aa8f563535e9dbbd608042063ffe963157fe9d562e493b2f81111b07d0c8b |
eSim 2.2 (Pre-release): [ Release: 10/02/2022]
- Installer - Ubuntu 18.04 and 20.04 LTS: 20.9 MB- SHA256SUM: 49dbf75394e1a233b10c6ac450d58b1692cd435905836223c240d739e6de1269
eSim 2.1: [ Release: 06/01/2021]
- Installation Instructions: Windows OS | Ubuntu OS
- User Manual | Release Notes
- Installers:
| Ubuntu 16.04 OS and above LTS versions: |
Windows 10 (64-bit PC): [ Recommended version is Windows 10, it may not work as intended for Windows 8 or below. Please see Release Notes for the reason behind size reduction] |
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extra space eSim-2.1.zip : 19 MB |
extra space eSim-2.1_install.exe : 253 MB |
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SHA256SUM: 9623f6004240e82f20418e769a29b166b2448603b0da457e285b26c7024a9ffe |
SHA256SUM: ca65ecad31f4b31c9eb9361d943672fca9297fd0741e8d00fcb685d64d084583 |
eSim 2.0: [ Release: 24/03/2020]
- Installation Instructions | User Manual | Release Notes
- Installers:
| Ubuntu 16.04: | Windows 7 and above (64-bit PC): |
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extra space eSim-2.0.zip: 101 MB |
extra space eSim-2.0_install.exe: 747 MB |
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SHA256SUM : df1f53cc722ed131c57c5bfe038cd2ab2a548bbd33b418384e9d50a39fdab0a1 |
SHA256SUM : 5255336b17f3950806b000f5a547512a5df182e8870610808099b53b14a54c25 |
eSim 1.1.2: [ Release: 30/08/2019]
- User Manual
- Installers:
| Ubuntu 14.04 and 16.04: | Windows 7 and above: |
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Legacy Releases:
1. Ubuntu 14.04 and 16.04: 32-bit and 64-bit [ Release: 9/06/2016]
- eSim Installer - Windows 306 MB
3. OSCAD installer: [ Old deprecated version, we recommend you use eSim ]
Ubuntu 12.04 [ Release: 12/03/2014]