Source: PlanetHalfLife
Related: Half-Life 2 Deathmatch mod

The people of the Half-Life 2 Deathmatch mod made at www.hl2mp-mod.de.vu/ have released their Alpha 1.0 which features

A lot of the site is in German but I installed this and it seems to work pretty well. They put in a Police model so you can actaully see people.
All the weapons seem to work and it has two maps, deathmap1 is actaully alright

So check it all out right here. (Site mainly in German)