http://gtm.steamproxy.vip/workshop/filedetails/?id=695527798

RandomQuest 1 & 2 - Untested.
http://www.runthinkshootlive.com/posts/random-quest/
Too Many Crates - 1 map.
http://www.moddb.com/mods/too-many-crates
Half-Mind - Untested.
http://www.moddb.com/mods/half-mind
The Gate 2 - 56 maps.
http://www.runthinkshootlive.com/posts/the-gate-2/
Antlions Everywhere - 11 maps.
http://www.runthinkshootlive.com/posts/antlions-everywhere/
The Sewer - 8 maps.
http://www.runthinkshootlive.com/posts/the-sewer/
Old School - 20 maps.
http://www.runthinkshootlive.com/posts/old-school/
The Road To Abyss - Untested.
http://www.runthinkshootlive.com/posts/the-road-to-abyss/
Aurora: Reinstated - Untested.
http://www.runthinkshootlive.com/posts/aurora-reinstated/
Mega City One - Untested.
http://www.runthinkshootlive.com/posts/mega-city-one/
Silent Escape - Untested.
http://www.runthinkshootlive.com/posts/silent-escape/
Dark World - Untested.
http://www.runthinkshootlive.com/posts/dark-world/
Nightmare House 2 - Unknown.
The Forgotten Journey - Requires the go ahead from dev's.
Fast Detect - 31 maps.
http://store.steampowered.com/app/353220/
Prospekt - Untested.
http://store.steampowered.com/app/399120/
Human Error - Custom weapons might not carry over but it may be possible.

Wilson Chronicles - Until Half-Life Source npc's are supported.
1187 - Until Half-Life Source npc's are supported. However support will be made in the meantime.
Underhell - Too many custom systems that don't carry over.
Estranged Act 1 - Custom weapons/npc's/entities that don't carry over.
Transmissions: Element 120 - Custom physcannon does not carry over, some lighting systems don't seem to work either.

By full support, I mean having the full mod uploaded to the workshop (with permission) bundled with the support files.
Strider Mountain - Accepted.
Coastline To Atmosphere - Accepted.
Episode 3: The Closure - Accepted, however too big for the workshop (unless in multiple parts).
The Citizen Returns - Accepted.
Uncertainty Principle - Accepted.
Deep Down & Aftermath - Accepted.
Mission Improbable - Accepted.
Omega Prison - Accepted.
PTSD/PTCS - Accepted.

Mistake of Pythagoras - Awaiting response.
Combine Destiny - Awaiting response.
Offshore - Awaiting response.
Ravenholm - Awaiting response.
Eye of the Storm Episode 1 - Awaiting response.
Slums 2: Extended - Awaiting response.
Causality Effect - Awaiting response.
Lost Under The Snow - Awaiting response.
Masked Prisoner - Awaiting response.
Below The Ice - Awaiting response.
Liberation - Awaiting response.
Day Hard - Awaiting response.
Alchemilla - Awating response, but probably not.
Kill The Monk - Not asked yet.

They Hunger Again - Full support will not be added.
Spherical Nightmares - No definitive answer, but not likely.
DownFall - Full support will not be added for Steam released games.
Year Long Alarm - Full support will not be added for Steam released games.