Hammer++ is a free, extensive modification of Valve's Hammer editor for the Source engine, with the premise of being a more stable, up-to-date version, with many bugfixes and several improvements present in modern level editors.
21st of January, 2022
A major update has just dropped with a whole pack of new features and bugfixes, plus support for Counter-Strike: Global Offensive. Take a look at the update trailer below, and be sure to checkout the list of new goodies.
Interested? Try it out now!
14th of March, 2021
Original public release! The trailer for this can be seen below.