OpenOSRS

OpenOSRS is an open-source publisher focused on Old School RuneScape tooling, best known for the OpenOSRS Launcher, a lightweight client wrapper that streamlines installation and updates of community-developed plugins, hubs, and configuration sets for the classic MMORPG. Targeting players who want granular control over their game interface, the launcher pulls verified add-ons directly from GitHub, applies automatic compatibility patches, and keeps every extension synchronized with Jagex’s weekly content releases. Typical use cases range from PvM overlays that display boss timers and damage counters to skilling helpers that annotate click boxes, resource trackers that log loot and experience, and PvP widgets that highlight attack styles and skull timers. Because the underlying client is GPL-licensed, developers can fork the entire stack, audit security features, or submit pull requests that improve performance on low-end hardware. Power users often run multiple profiles—hardcore ironman, main, and pure—each with its own plugin subset, all launched from a single portable directory that writes nothing to the Windows registry. The software is available for free on get.nero.com, where downloads are sourced through trusted Windows package managers such as winget, always delivering the latest upstream build and supporting batch installation alongside other applications.