Swelter, a free stand-alone modification for Half-Life 2 was released a couple of days ago on Steam. I have not yet tried it myself since I have a lot on my plate currently. But I got to say, it looks pretty darn good from what I have seen.
I have been following the project for a while, and if it’s anything like Black Mesa, it will surely provide a fun time blasting Combine troopers. The main difference between these two mods (besides Swelter being free) is that it’s not a remake of anything. It’s set in the same universe, as it is a prequel to Half-Life 2. However, the story takes place far away from City 17 and provides its own narrative. Just keep in mind that’s highly unofficial, non-canonical stuff, yet, it matters not too much in my opinion.
/Thomas
Tom's Gaming Vault 