Top 5 C++ Quake Projects

PBCharacterMovement

11 1,161 4.5 C++

HL2-style, classic FPS movement for Unreal Engine implemented in C++
ericw-tools

2 301 9.4 C++

Quake/Hexen 2 Map compiling tools - branch of http://disenchant.net/utils
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
netradiant-custom

3 279 8.8 C++

The open-source, cross-platform level editor for id Tech based games.

Project mention: A cross platform level editor for Quake-engine based games | news.ycombinator.com | 2024-02-28

For tech3 based stuff, maybe try Netradiant (forked from GtkRadiant), or more specifically its fork (!) NetRadiant Custom (https://github.com/Garux/netradiant-custom).

Nuake

1 109 9.5 C++

Nuake is a modern engine inspired by the Quake engine that integrates with Trenchbroom (by antopilo)

Project mention: Nuake: Modern Quake-inspired game engine with TrenchBroom support | news.ycombinator.com | 2024-02-07

qide

5 18 2.6 C++

The Quake Mod IDE
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).