asmem is a X11 application with AfterStep look and feel that acts as a memory utilization monitor. It shows the current amount of memory and swap space, the free amounts of those, and the bars representing graphically the different types of memory.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.