Millennium
Millennium is an open-source framework that modifies the Steam client to support custom themes and plugins. It provides a plugin API that lets developers write extensions in TypeScript or LuaJIT, and a theming system based on CSS. Users can browse and install community-created themes and plugins to change the look and functionality of their Steam client. The project is community-driven and hosted on GitHub, with a Discord server for support and collaboration. It is not affiliated with Valve Corporation.
Millennium is an open-source framework, integrating with Steam, Discord and GitHub. InnovaAI rates it 1.9 of 10 for agency adoption.
Agency Audit
Millennium is a niche open-source tool for customizing the Steam client, primarily useful for gaming communities and developers. It has no agency-specific features or white-label capabilities.
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Illustrative scenario. Not a guarantee. Net capacity needs a verified paid base plan, and none is published for this service, so it is not modeled. Hours saved come from the service estimate; implementation, taxes, and unprovided usage charges are excluded.
Pending evidence.
- You need a white-label solution for non-gaming clients
- You lack in-house Steam client development skills
Internal Adoption Path
No paid plan published
Team size not published
Team size not published
Team size not published
Illustrative scenario. Not a guarantee. No verified paid base plan is published for this service, so subscription cost and net capacity are not modeled. Implementation, taxes, and unprovided usage charges are excluded.
AI Tool Overview
- You are a gaming-focused agency needing to deliver custom Steam client experiences
- You have developers proficient in TypeScript or LuaJIT
- You want to build and distribute Steam plugins or themes
- You need a white-label solution for non-gaming clients
- You lack in-house Steam client development skills
Platform Features
Core capabilities of Millennium
Extend with plugins
UniqueAdd functionality to the Steam client using TypeScript or LuaJIT plugins.
Apply CSS themes
Customize the Steam client's appearance with community or custom CSS themes.
Browse community content
Discover and install themes and plugins shared by the community.
Open-source development
Contribute to or fork the framework on GitHub.
What Makes Millennium Different
Unique advantages vs similar tools in this niche
Dual-language plugin system (TypeScript and LuaJIT)
vs Other Steam client mods that only support one languagePlugins can be written in either TypeScript or LuaJIT, offering flexibility for developers.
Community-driven theme and plugin repository
vs Manual mod installationUsers can browse and download a wide variety of themes and plugins from the official website.
Frequently Asked Questions
Answers about setup, alternatives
Millennium integrates natively with Steam, Discord, GitHub. These integrations enable agencies to connect Millennium into existing client workflows without custom development.
Millennium's most distinctive features include: Extend with plugins (Add functionality to the Steam client using TypeScript or LuaJIT plugins.). These capabilities differentiate Millennium from alternatives and create unique value for agency clients.
Millennium's key advantage over Other Steam client mods that only support one language: Dual-language plugin system (TypeScript and LuaJIT). Plugins can be written in either TypeScript or LuaJIT, offering flexibility for developers. Overall: Millennium is a niche open-source tool for customizing the Steam client, primarily useful for gaming communities and developers. It has no agency-specific features or white-label capabilities.
Millennium is a strong fit if: You are a gaming-focused agency needing to deliver custom Steam client experiences; You have developers proficient in TypeScript or LuaJIT; You want to build and distribute Steam plugins or themes. Consider alternatives if: You need a white-label solution for non-gaming clients; You lack in-house Steam client development skills. Key trade-off: Requires technical expertise in Steam client internals and offers no agency-oriented management or branding features.
Pricing
Pricing data not yet available for Millennium.