Even though newer versions (Proteus 9, and later 8.16/8.17) exist, Build 34318 retains a cult following. Here’s why:
Proteus is widely used in education and industry for: Proteus Professional 8.15 SP1 Build 34318
Proteus supports ActiveX automation. You can write a VB script to open multiple .pdsprj files, generate BOMs, and export Gerbers in sequence. Even though newer versions (Proteus 9, and later 8
.pdsprj
Although not as automated as Altium, Build 34318 supports differential pair routing in ARES. Set net classes for "USB_DP" and "USB_DN" with equal length constraints via the "Design Rule Manager." Even though newer versions (Proteus 9