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README.md

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+<picture>
+  <img alt="Firestorm Viewer Logo" src="doc/firestorm_256.png">
+</picture>
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+**[Firestorm](https://www.firestormviewer.org/) is a free client for 3D virtual worlds such as Second Life and various OpenSim worlds where users can create, connect and chat with others from around the world.** This repository contains the official source code for the Firestorm viewer.
+
+## Open Source
+
+Firestorm is a third party viewer derived from the official [Second Life](https://github.com/secondlife/viewer) client. The client codebase has been open source since 2007 and is available under the LGPL license.
+
+## Download
+
+Pre-built versions of the viewer releases for Windows, Mac and Linux can be downloaded from the [official website](https://www.firestormviewer.org/choose-your-platform/).
+
+## Build Instructions
+
+Build instructions for each operating system can be found in the official [wiki](https://wiki.firestormviewer.org/).
+
+- [Windows](https://wiki.firestormviewer.org/fs_compiling_firestorm_windows)
+
+- [Mac](https://wiki.firestormviewer.org/fs_compiling_firestorm_macos)
+
+- [Linux](https://wiki.firestormviewer.org/fs_compiling_firestorm_linux)
+
+Please note that we do not provide support for compiling the viewer or issues resulting from using a self-compiled viewer. However, there is a self-compilers group within Second Life that can be joined to ask questions related to compiling the viewer: [Firestorm Self Compilers](secondlife:///app/group/2014ce4c-5393-fb67-83ac-910db84c273c/about)
+
+## Contribute
+
+Help make Firestorm better! You can get involved with improvements by filing bugs and suggesting enhancements via [JIRA](https://jira.firestormviewer.org) or creating pull requests.