What are some alternatives?
When comparing PortableApps.com and SyMenu, you can also consider the following products
LiberKey - Portable applications launcher, LiberKey includes 305 portable applications.
PStart - PStart is a simple tray tool to start user defined applications.
The Portable Freeware Collection - One of the largest collections of free, portable software on the web.
Karan PC - Here is the place where you can download latest software, antivirus full version, best pc games, fix pc problem, updated software, software review
Quick Cliq - Quick Cliq - the best freeware portable application launcher and clipboard manager. Quick Cliq has many useful features...
ASuite - ASuite A simple portable launcher for you ASuite is a simple open source portable launcher for Microsoft Windows.