SmartDraw offers a fully web-based version. Since it runs in a browser (Chrome, Edge, Firefox), it is natively portable —no installation needed. Just log into your account from any computer.
These files often contain malware or outdated code linked to suspicious platforms. Smartdraw Portable
While many users search for a traditional "portable app" version of software (a version that runs from a USB stick without installation), Smartdraw offers a modern, arguably superior alternative: a fully cloud-based, portable ecosystem that lets you take your diagrams anywhere there is an internet connection. SmartDraw offers a fully web-based version