C# application with primary purpose of idling Steam cards from multiple accounts simultaneously.

Issue tracking for the Steam for Linux beta client

bridge between mattermost, IRC, gitter, xmpp, slack, discord, telegram, rocketchat, steam, twitch, ssh-chat, zulip, whatsapp, keybase, matrix, microsoft teams, nextcloud and more with REST API (mattermost not required!)

Play your favorite games in a borderless window; no more time consuming alt-tabs.

Video game library manager with support for wide range of 3rd party libraries and game emulation support, providing one unified interface for your games.

SteamKit2 is a .NET library designed to interoperate with Valve's Steam network. It aims to provide a simple, yet extensible, interface to perform various actions on the network.

A mod to make and play Terraria mods. Supports Terraria 1.4 installations - TML itself is 1.3 Terraria currently

All your games in one place

a node.js plugin to integrate nw.js/electron games with steamworks

👽 Cheating Salien minigame, the proper way

Interface directly with Steam servers from Node.js

A Steam library categorizing tool.

🃏 Get your Steam Trading Cards the Fast Way (Fast Mode Extension 🚀)

Creates tiles for most Windows 8.1 and 10 start menu icons

Depressurizer is a program that helps you categorize your steam games.

Steamless is a DRM remover of the SteamStub variants. The goal of Steamless is to make a single solution for unpacking all Steam DRM packed files. Steamless aims to support as many games as possible.

Tool for using the Steam-Controller as systemwide XInput controller alongside a global overlay

🔬 Valve's Source 2 resource file format parser and decompiler

A Windows 10 UWP style skin for Steam

🕵 Tracking things, so you don't have to

🐘 PHP library to query servers that implements Source Engine Query protocol

🔗 Add your Windows Store or UWP games to Steam

Steam/GOG/Origin games redistributable packages finder and remover. Available in 13 languages.

☁️ Python package for interacting with Steam

A guide to creating Steam bots and websites using Node.js

An unofficial object-oriented Python library for accessing the Steam Web API.

Allows interaction with the Steam network via the Steam client protocol

Helper for enabling better Steam integration on Linux

A multi-language library for querying the Steam Community, Source, GoldSrc servers and Steam master servers

Two programs for idling Steam game hours and trading cards