MemoryUp-BlackBerry RAM Booster v2.5
the author of this app says:
MemoryUp is a powerful BlackBerry RAM boosting tool and Java virtual machine (JVM) management application specially designed for BlackBerry users. It is a handy memory optimizer tool that will keep your BlackBerry running faster and efficiently. It increases your BlackBerry performance by making more memory available for both your applications and the BlackBerry system.
MemoryUp is optimized for all series of BlackBerry, which can monitor your BlackBerry system in the background, freeing resources when needed. It uses many advanced features to keep your BlackBerry running at optimum speed. But more importantly, it's designed with all users in mind; whether you're a power-user or a novice, MemoryUp will give you the features you want without confusing or limiting you.
Praised by both individual users and large companies alike, MemoryUp is the best utility of its type available. MemoryUp from eMobiStudio Inc. represents the best technical and design efforts modern BlackBerry software, to bring you a technically superior, yet easy-to-use memory management utility.