Pretty much no one make mods for freedoom. But a lot of them are compatible with freeDOOM. Here a few I tried and approved:
Gameplay Mods :
Guncaster - You're a dragon, you have massive guns and spells.
Russian Overkill - A.k.a "How to kill everyone in 10km radius"
The Trailblazer - 80s-90 action movie hero stuck in doom
Death Foretold (D4T) - Doom 4 in Doom classic.
GMOTA (Get Medieval On Their Asses) - A sword, a grappling hook, a glove.
High Noon Drifter - The nameless/faceless wanderer is in town...
HXRTC Project - A new HUD and a bunch of new weapons and enemies.
Ghosted 2 - Slender in Doom, can be played in multiplayer.
La Tailor Girl - Clothes make you powerful!
Doom Roguelike Arsenal - Turn your doom in a gun galore and a RPG (may have a few bugs and quirks with freedoom.)
Reelism - Fight waves of...things...with random rules every rounds... Have fun!
Shades of Doom - Monster randomizer for the campaigns. With nice themes.
[EDIT] Project Brutality - V0.23, because someone will always ask if it work, it does. Here, go play your edgy mod.
Maps:
Coffee Break Episode 1 - Small map, lot of enemies, doable in less than 5 minutes.
Cheogsh & Cheogsh 2 - Massive maps with a hellish feel to it.
Maps of Chaos - Remake of Doom 1 & 2 maps for multiplayers, they're a LOT bigger and feature WAY MORE monsters. Come in classic, hardcore and overkill flavour.
Deus Vult 1 & 2 - Well known slaughtermaps, quite difficult the first times.
HellGround - 7 beautiful maps, just play it.
Scythe 1 & 2 - Famous megawads, for their architectures and difficulty.
Ultimate Torment & Torture - The Supportive Edition work everywhere. Gothic catherdrals meet deep space stations, with hell army waiting for you.
Unloved - You are trapped in your own house. Wait... There's something wrong with this place. Heavily inspired by Silent Hill.
[EDIT] Diabolus Ex - A Deus Ex 3 inspired map. A bit short, but really well made. Make you want more.
[EDIT] Doom The Way ID Did - 1 and 2, remakes of doom 1 and 2 based on the doom bible and production documents.
[EDIT] Revenant Problem - Joke map, the trolley dilemma, but with a revenant.
[EDIT] The Quirky Domain - A mind boogling map where your automap will be useless.
Total Conversions:
Pirates Doom - Ahoy me matey! Ye skallywags an landlubber ain't got nuffin on me booty.
Blade of Agony - Part of the WolfenDoom serie, kill nazis, puch Hitler in the dick and save Europe.
Doom The Golden Souls - Mario 64, but in Doom. And with guns.
Skulldash Expanded Edition - Maps. Tokens on the maps. Countdown to your death. Collect tokens to open the exit. Kill everything in sight if needed. Ready? 3..2..1..RUN!
Castlevania Simon's Destiny - A mash up of Castlevania games, taking heavily from the first, in FPS form. Really enjoyable, and work stand-alone.
[EDIT] Romero Death Skittles - Bowling in doom, with Romero head.
Multiplayer:
Quake Champions Doom Edition (QCDE) - Yup... It's Quake Champions, in doom.
Crucified Dreams - A map pack who's compatible with freedoom, unlike AeonDM.
Who Dun It - A bunch of player, one of you is a killer. Find the killer and survive.
Stronghold - Hold the line, no matter the cost.
Reelism - Fight waves of...things...with random rules every rounds... Have fun!
That's pretty much my Best Of doom mods, and all of these have been tested with gzdoom 3.4.1 and Freedoom 2 V0.11.3. Exception for Who Dun It who is a Zandronum mod.
Aesbeth wrote (edited )
Pretty much no one make mods for freedoom. But a lot of them are compatible with freeDOOM. Here a few I tried and approved:
Gameplay Mods :
Maps:
Multiplayer:
That's pretty much my Best Of doom mods, and all of these have been tested with gzdoom 3.4.1 and Freedoom 2 V0.11.3. Exception for Who Dun It who is a Zandronum mod.
Have fun, frag well.