Listed down below is a bulleted list of mods that are for the game, either have finished or still in development:

Tweaks/Fixes

• PBR Weapons Materials
  

Standalone HDTF Mods

• HDTF - Custom Support Link (needs a proper article)
• Crew Guy Simulator
• Hunt Down The Seaman
• HDTF - Multiplayer
• HDTF - 24 Hours in HDTF in HL2-E2 (needs a proper article)
• Tehcooler's HDTF beta/restoration pack
• Hunt Down The Freeman 2 mod for Half-Life 2
• Hunt Down The Freeman Classic

Skin Mods

• HDTF Marine Player Model Addon
• HEV Helmet Player Model (needs a proper article)

Weapon/Item mods

• HDTF Marine Like Gasmask (needs a proper article)

Map Mods

• Soodas Map
• Hunt Down The Wall
• HDTF 24 Hours
  

Add-ons

• HDTF GMod
• Source Filmmaker (SFM)
• Left 4 Dead 2

Outdated

Due to the nature of Hunt Down The Freeman's ever developing nature, some of the mods listed here are outdated, listed below are mods you'll see:

• Act 2 Fixed Hands (OUTDATED) (needs a proper article)