Portable [2021]: Proteus 7.7 Sp2

Features built-in on-screen tools like oscilloscopes, logic analyzers, and signal generators to test designs without physical hardware.

Despite its age, version 7.7 SP2 remains popular due to its speed, low system requirements, and stability. It consists of two foundational modules that work in tandem: 1. Intelligent Schematic Input System (ISIS) Proteus 7.7 SP2 Portable

⭐⭐⭐⭐ (4/5) – Excellent for legacy education and low-end PCs, but dated for professional use. Features built-in on-screen tools like oscilloscopes