Hasn't been worked on for a year, so not notable enough for main HL:S page, but the author has posted his progress publicly. He says he "might return to it in a couple years".
Mod: https://gitlab.com/alphagarg/Half-LifeSourceRevival-SourceMod Code: https://gitlab.com/alphagarg/Half-LifeSourceRevival Assets: https://gitlab.com/alphagarg/half-lifesourcerevival-resources