An example Rust application connecting to the local TF2 RCON server.

The TF2 Demo Manager

A C#/WPF application for merging custom HUDs in Team Fortress 2

SRC Repair is a free open source tool that can be used for tuning and cleaning up Steam and Source engine games.

The mastercomfig web app

The gamemode that's now also a standalone boss maker.

👑 Automatically tracked Steam, CS2, Dota 2, Deadlock, TF2 protobufs.

Popular Versus Saxton Hale gamemode remade from scratch

Creating a platform for automating TF2 trading

https://rampsliders.wiki archive. Articles about technical concepts in the source engine. Mostly related to movement.

The largest TF2-based Discord bot serving over 50,000 users daily.

A highly customizable Deathrun plugin for Team Fortress 2

A Node.js wrapper for the Steam Community Market API.

A collection of Node.js classes for easy conversion between TF2 currencies.

Adds a basic team-only radar to Team Fortress 2 servers running SourceMod.

Fully typed battle-tested library that helps you format TF2 items to the community standards.

Team Fortress 2: Gold Rush is a sourcemod that attempts to replicate TF2's Gold Rush Update, plus a few extra features

Issue tracking and documentation for AMP

tf2pickup.org documentation

Curated list of development-related projects in the Team Fortress 2 space