Top 4 C# Bsp Projects

realtime-CSG-for-unity

11 693 3.5 C#

Realtime-CSG, CSG level editor for Unity
Chisel.Prototype

2 453 0.0 C#

Work in progress prototype for the Chisel Level Editor, for Unity
WorkOS

workos.com
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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.
sledge-formats

1 70 7.4 C#

C# parsers and formats for Half-Life 1 and related engines.

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

Celeste64 uses https://github.com/LogicAndTrick/sledge-formats which include loaders for Quake formatted maps. It could be using the Quake format for a different engine.
Source2Roblox

2 67 4.1 C#

A toolset that can 100% automatically port Source Engine levels into clumps of Roblox assets and models.

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). The latest post mention was on 2024-02-28.