Valve has released the Team Fortress 2 SDK, which means we can expect a load of new content from the modding community.

Valve releases TF2 SDK to the public for modders, allowing changes ranging from tweaks to complete conversions. Modders can ...
Eurogamer

TF2 master-maps offered to modders

Valve has updated the Source developer kits to include 10 original Team Fortress 2 maps. Beginner modders can use these as foundations to build on, while more experienced modders may relish the ...
PC Gamer

The Team Fortress 2 Classic mod is a skillful homage to '08-era TF2

Ambitious and much-wanted mod Team Fortress 2 Classic released today. It's a delicious serving of retro TF2 to those who hanker for such things, or a heady throwback to times long-lost for those who ...
GameSpot

Team Fortress 2 Classic Mod Is Available In Full Now

GameSpot may get a commission from retail offers. Although Valve still supports and occasionally updates Team Fortress 2 over a decade after it was originally released, many players feel the live game ...