Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations.
GoldSrc Monitor - small and simple instrument for researching or debugging games, based on GoldSrc engine (such as CS 1.6, HL, HL:OF, HL:BS, etc).
WARNING: This tool untested on VAC-secured servers, and therefore there is a risk to get VAC-ban while using this tool in multiplayer on VAC-secured servers.
Supports to display most important information about local player: origin, velocity, camera angles, gravity, friction, and so on.
Also, supports time scaling feature - console command with which you can speed up or slow down in-game time, but due engine internal mechanics, works properly only in singleplayer or listen server.
Tool has 2 work modes: full report and speedometer.
When using full report mode, tool will display all information on screen, but when using speedometer mode, it will be shown only player current velocity.
Full report mode
Tool will work with most of mods and engine builds, but on some builds or mods this may not work.
If you find that tool don't work on some mod/engine build - report about it (link below).