jtrac - JTrac is an open source and highly customizable issue-tracking web-application written in Java.
Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
16bugs - 16bugs is an all-in-one bug tracking software that makes it easier for you to manage all sorts of bugs in performance with the simple interface; ultimately, you will be more productive for sure.
Guru3D - Guru of 3D: PC Hardware Reviews and tests
Bugify - Bugify is a simple PHP issue tracker, designed to offer powerful bug tracking capabilities in an easy to use system.
Geforce Experience - GeForce Experience is a new application from NVIDIA that optimizes your PC in two key ways.