Description: Debuggex is a free online visual regex tester. It allows you to visually construct regex patterns and test them against input strings to see if there is a match.
Type: software
Pricing: Free
Description: GKrellM is a free, open source system monitoring tool for Linux that displays CPU, memory, disk, and network usage statistics on a desktop panel similar to Windows task manager. It supports multiple panels, themes, and plugins.
Type: software
Pricing: Open Source