*UPDATE* ChocolateFan (vertex shader patch)
User Manual: is here 

Original Posting TRForums.com,  FLEP - patches.flp,  TREP - patches.drc and syntax.fln,  Source Code,  Map Files

Latest version (version history): 

v. 1.1.44 — 1 Feb 2013, 120 kb

Source code (release notes):

v. 1.1.44 — 1 Feb 2013, 680 kb

TRNG custom patch set

2 Feb 2013

Latest version: 

v. 0.76 rev. 5-rb — 20 Dec 2012, 298 kb

Previous builds:

see version history

DRCMerger

v. 1.3 — 25 Jan 2007, 37 kb

eSSe — extended String / Script editor

v. 0.006 — 20 Aug 2010, 52 kb

Leikkuri / Cutter (font table editor)

v. 0.43 — 27 Nov 2007, 38 kb

FURR Language command file updates:

28 Nov 2007, 4 kb

DRACO custom patch set file updates:

31 Aug 2010, 40 kb (for TREP 0.76+)

20 Dec 2006, 6 kb (for TREP 0.743-0.744)

eSSe script alias file updates:

14 Nov 2007, 9 kb

eSSe STRINGS2.TXT sample file updates:

20 Aug 2010, 1 kb

Original (XP-patched) tomb4.exe: 

[download]

Tomo's TRGE (not compatible with TREP): 

v. 1.3R2 custom — 30 Jan 2007, 342 kb

Other patches
(very old! use only for testing purposes!)

Vanishing enemy patch (also works with TR5)

Other files
(files that doesn't match patch category)

TR4 (TRLE) offset listing 01

TR4 (TRLE) offset listing 02

TR4 (TRLE) offset listing 03

dxtre3d 2.0 rev. 2H russian language module

dxtre3d 3.0 alpha russian language module

TREP is freeware and not a registered trademark and is not protected by any moronic copyright laws.