| Software | Platform | Operating System | Website |
|---|---|---|---|
| Astromist | PocketPC/Palm | Windows Mobile/PalmOS | http://www.astromist.com/ |
| Cartes du Ciel PC | PC/Mac | Windows/MacOS/Linux | http://sourceforge.net/projects/skychart/ |
| Deep Sky | PC | Windows | http://www.deepsky2000.net/ |
| Hallo Northern Sky | PC | Windows | http://www.hnsky.org/ |
| Megastar | PC | Windows | http://www.willbell.com/ |
| Starry Night® | PC | Windows | http://www.starrynightstore.com/ |
| TheSky 6 | PC | Windows | http://www.bisque.com/ |
| Voyager 4.x | PC/Mac | Windows/MacOS | http://www.carinasoft.com |
Suppliers of Encoders/Encoder kits
Below is a list of suppliers selling encoders and also kits with encoders to suit various types of telescopes.
| Supplier | Hardware | Country | Website |
|---|---|---|---|
| Wildcard Innovations | Encoders/Telescope encoder kits | Australia | http://www.wildcard-innovations.com.au/ |
| SUPRA Praha | Telescope encoder kits | Czech Republic | http://www.celestron.cz/ |
| Galileo | Encoders/Telescope encoder kits | France/Switzerland | http://www.galileo.cc/ |
| Intercon Spacetec | Encoders/Telescope encoder kits | Germany | http://www.intercon-spacetec.de/ |
| Aurora Astro Products | Encoders/Telescope encoder kits | USA | http://AuroraAstro.com/ |
| JMI Telescopes | Encoders/Telescope encoder kits | USA | http://www.jmitelescopes.com/ |
| US Digital | Encoders | USA | http://www.usdigital.com/ |
