PrimeXT
Modern toolkit for Xash3D FWGS engine, with cross-platform support, improved graphics/physics, and a lot of new features for mod-makers, while retaining all the approaches to work inherent from GoldSrc and vanilla Xash3D. Also all the functionality from XashXT and Spirit Of Half-Life was inherited too. Suitable for creating both singleplayer and multiplayer mods. Development was started in August 2021.
GitHub page
ModDB page
Documentation page
GoldSrc Monitor
Simple and standalone utility with bunch of functions for mapping, scripting, speedrunning, debugging or researching games based on GoldSrc/Xash3D FWGS engines (such as Half-Life 1, CS 1.6, and other HL-mods). Development was started in 2019, but is currently inactive.
GitHub page
Gamebanana page
Dev-CS page
XashMS
Asynchronous, cross-platform master server implementation for Xash3D FWGS engine. Based on libevent, written in C++17, supports IPv6 protocol, adapted to operating inside Docker container.
FutabaVfdM202MD10C
Library for Arduino framework for convenient working with vacuum fluorescent displays (VFD) based on Futaba M202MD10C board. Implements as much as possible functions that display supports, such as dimming, user-defined symbols, code pages, cursor visibility toggle, self-testing mode.
SMD Splitter
Utility for automatic preprocessing SMD-files in order to bypass GoldSrc internal limit with a goal to save a lot of time for the 3D-artists. This utility was made to commercial order.
mdl-flip
Fast, standalone and self-contained tool for flipping/mirroring GoldSrc/Xash3D models. Created as modern replacement for legacy gFlip utility. This program was made to commercial order.
mem2pix
Crossplatform experimental utility for real-time visualization process memory content as image. Based on SDL2, works on Windows and Linux. Supports many pixel formats, works even on Windows XP.