# Features

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