Conky
- A system monitor with a customizable interface which measures CPU usage, running processes, memory, swap usage, and other system information; displays the information as text or a graph.
MSysM - Masarlabs System Monitor
- A lightweight X11 application that monitors and displays in graph format system information such as battery information, CPU statistics, memory status, network statistics, serial line and PCMCIA status; uses loadable modules. Latest release is 0.9.3, 2003-11-19.
OpenBenchmarking.org
- An open, collaborative testing and benchmarking platform for Linux and other operating systems. It's designed by Phoronix Media and the developers behind the Phoronix Test Suite.
Phoronix Test Suite - Linux Testing & Benchmarking Platform
- A Linux-based testing platform for hardware and software validation. It is the most comprehensive testing and benchmarking platform available for Linux, and is designed to carry out qualitative and quantitative benchmarks in a clean, reproducible, and easy-to-use manner. Users can also write test profiles for their own applications following a well-documented XML schema.
The ProcMeter Version 3.x Homepage
- A system activity meter; graphical displays of CPU and memory use, number of disk accesses and IP packets.
Webminstats
- A basic system static logging application that graphs the results; a Webmin module. Site available in English and French.