Wow, I haven't heard about AGS for a while - glad to see it's still alive and well. It should be noted that it's open source and still sees regular updates (20+ years later!)
https://github.com/adventuregamestudio/ags
If anyone was concerned about the nonstandard license, the FSF says this:
>This license is a free software license, compatible with the GPL thanks to the relicensing option in section 4(c)(ii).
If anyone was concerned about the nonstandard license, the FSF says this:
>This license is a free software license, compatible with the GPL thanks to the relicensing option in section 4(c)(ii).