Hammer++
Initial release date: 14 March 2021
Engine: 
Source
Source
…
Hammer++ is a community-made modification of Valve Hammer Editor for Source that provides an updated, feature-rich version of the editor. The trailer and website can be found here.
Hammer++ currently supports the following branches of the Source engine:
Counter-Strike: Global Offensive
Team Fortress 2
Counter-Strike: Source
Source 2013 Multiplayer
Source 2013 Singleplayer
It is also included with 
Military Conflict: Vietnam, in lieu of vanilla Hammer.
Other games/mods tested
Main article: Installing Hammer++ for Other Games
| Game | Hammer++ Version | Notes |
|---|---|---|
 Portal 2
|
CS:GO | None |
 Portal 2: Community Edition
|
CS:GO | Unsupported by devs; They will not help if any issues are found |
 Left 4 Dead 2
|
CS:GO | Some models may appear as errors |
 Momentum Mod
|
CS:GO | [confirm] |
 Titanfall engine branch games
|
CS:GO | [confirm] |
 Garry's Mod
|
Source 2013 Multiplayer | Similar to standard method, but make sure to view this file as well for additional steps |
 Day of Defeat: Source
|
Source 2013 Multiplayer | None |
 Black Mesa (Steam)
|
Source 2013 Multiplayer | New lighting entities may not show in lighting preview; use old entities during light test and swap to final for full compile |
| Black Mesa (Mod)
|
Source 2013 Singleplayer | Make sure to point towards the Source 2007 compilers! |
 Mapbase
|
Source 2013 Singleplayer | None |
Features
- Accurate lighting preview
- Upgraded graphic fidelity
- Significantly better stability
- Particle rendering
- 2D + 3D skybox preview
- New model browser, particle browser, color editor, and keybinding editor
- Realtime display of fog and ropes
- Variety of new tools such as physics simulation, gizmo manipulation, drawing of polygon shapes, and convex brush merging
- New
func_instancetools - Quality of life improvements
- ... and much more!
A more detailed feature list can be found on the website and you can support ficool2 via Ko-fi
