> For the complete documentation index, see [llms.txt](https://docs.speedlight.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.speedlight.io/viewer-features.md).

# Features

- [Facility comparison](https://docs.speedlight.io/viewer-features/facility-comparison.md)
- [Feature roadmap](https://docs.speedlight.io/viewer-features/feature-roadmap.md)
- [Keeping avatar online](https://docs.speedlight.io/viewer-features/keeping-avatar-online.md)
- [Mass IM](https://docs.speedlight.io/viewer-features/mass-im.md)
- [IM Autoresponder](https://docs.speedlight.io/viewer-features/im-autoresponder.md)
- [IM history encryption](https://docs.speedlight.io/viewer-features/im-history-encryption.md)
- [Quick IM Notecards](https://docs.speedlight.io/viewer-features/quick-im-notecards.md): A SpeedLight feature which allows quickly sending notecards and receiving them from other residents.
- [3D World View](https://docs.speedlight.io/viewer-features/3d-view.md)
- [3D Avatars](https://docs.speedlight.io/viewer-features/3d-view/3d-avatars.md)
- [3D Gold and Free comparison](https://docs.speedlight.io/viewer-features/3d-view/3d-gold-and-free-comparison.md)
- [3D Shot](https://docs.speedlight.io/viewer-features/3d-shot.md)
- [3D Shot FAQ](https://docs.speedlight.io/viewer-features/3d-shot/faq.md)
- [Light Mode](https://docs.speedlight.io/viewer-features/light-mode.md): Login to SL without registering with SpeedLight
- [Visitor Radar](https://docs.speedlight.io/viewer-features/visitor-radar.md): Visitor Radar is a feature of SpeedLight which allows monitoring the parcel/sim for new visitors, see new visitors and contact them promptly.
- [Pay for services](https://docs.speedlight.io/viewer-features/pay-for-services.md): Pay for 3rd party services using SpeedLight
- [RLV](https://docs.speedlight.io/viewer-features/rlv.md): How to activate RLV feature with SpeedLight
- [Translate SpeedLight](https://docs.speedlight.io/viewer-features/translate-speedlight.md)
- [SpeedLight in your language](https://docs.speedlight.io/viewer-features/localization.md)


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