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...Main features
- learn (cards due to learn), swat (every card)
- copy cards
- filter
- sort
- synchronize between devices
- share cards with other users (just use all and/or improve and add cards)
Programm code and usage follows the KISS principle, see http://en.wikipedia.org/wiki/KISS_principle
- basic requirement = browser
- OS independent
- no installation required
- no fancy features
- bullet proof synchonization and sharing
- deployment is just copying files onto a PHP enabled webserver
More
- data is on your own server
- no central registration or data mining
Technical Details
- logic in JavaScript (browser)
- Share/synch by PHP scripts on webserver (file based)
Up the Sync is a basic Google docs synchronizing program written in Java. It auto-syncs every 5 minutes by default, and can run quietly in the system tray. If the user updates a document on their computer the Google docs version is also updated.
CalDAV sync for Android
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Stopped working on it. Doesn't make any sense to spend more time on it; I recommend e.g. DAVdroid as an opensource and ready-to-use solution on clientside.
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For code look at:
https://github.com/e7o-de/android.caldav