| Software | Best For | Price | Key Limitation vs AS 5.0 | | :--- | :--- | :--- | :--- | | (Demo) | Pneumatics & Electropneumatics | Free for basic | Limited component library | | OpenModelica | Complex system modeling | Free (Open Source) | Steep learning curve; no visual drag-drop | | CircuitLogix | Educational electronics | Free student version | Weak hydraulic/pneumatic libraries | | LibreCAD + Manual Calc | Schematics only | Free | No simulation; static drawings only |