Add Proteus (#99)

README.md

@@ -24,6 +24,7 @@ This list is for websites, services, software, tools and more: everything that y
   - [Online](#online)
   - [Installable](#installable)
 - [Free EDA Packages](#free-eda-packages)
+- [Paid EDA Packages](#paid-eda-packages)
 - [CAD Specific](#cad-specific)
   - [KiCad](#kicad)
   - [Eagle](#eagle)
@@ -90,6 +91,7 @@ This list is for websites, services, software, tools and more: everything that y
 - [iCircuit](http://icircuitapp.com/) - Easy to use electronic circuit simulator, its advanced simulation engine can handle both analog and digital circuits and features realtime always-on analysis.
 - [Micro-Cap](http://www.spectrum-soft.com/download/download.shtm) - Professional-grade mixed signal simulator with wide variety of interactive simulation types.
 - [GeckoCIRCUITS](https://de.wikipedia.org/wiki/GeckoCircuits) - Open Source Power Electronic Circuit Simulator. [GitHub Project](https://github.com/geckocircuits/GeckoCIRCUITS). Direct [download link](http://gecko-simulations.com/GeckoCIRCUITS/GeckoCIRCUITS.zip) due to broken website.
+- [Proteus](https://www.labcenter.com/) - PCB Design and Circuit Simulator Software.
 
 ### Verilog HDL Simulators
 
@@ -121,6 +123,9 @@ This list is for websites, services, software, tools and more: everything that y
 - [Horizon EDA](https://github.com/horizon-eda/horizon) - A free and open source EDA tool with the focus on shortcut operation.
 - [EasyEDA](https://easyeda.com/) - Easy to use with both browser based and cross platform app versions. Integrates [LCSC](https://www.lcsc.com/products) and [JLCPCB](https://jlcpcb.com/parts) component catalogs with 3D models.
 
+## Paid EDA Packages
+- [Proteus](https://www.labcenter.com/) - PCB Design and Circuit Simulator Software.
+
 ## CAD Specific
 
 ### KiCad