Hi,

I am Piotr, it has been about 20 years since I first encountered Spaced 
Repetition Software (SRS), first Supermemo and then Mnemosyne and Anki. I 
just built my own website (http://buboflash.eu) for SRS, because I wanted 
few features that I couldn't get in any existing software. I am announcing 
it here so we can work towards content and learning process interchange 
between Mnemosyne and Buboflash, hopefully also Anki (Supermemo will be 
harder with its idionsyncracies). The overview of Buboflash is here: 
https://www.youtube.com/watch?v=jc_7oAwmkTA

The features I wanted and I built into Buboflash are:


   - Crowd editable material of textbook quality, licenced under Creative 
   Commons wherever possible, like in Wikipedia. "Free" like in "freedom", 
   i.e. you can process and reuse the material, and "free" like in "free beer" 
   - you don't pay for it. We can create annotations (for incremental reading) 
   and flashcards from both internet and uploaded pdfs. The pdfs remain 
   private by default as they may be and usually are copyrighted, but all the 
   annotations and flashcards are shared. 
   - Collaboration - yes, I know we can exchange decks of cards in 
   Mnemosyne, Anki and in Supermemo, but it is no more collaboration than say 
   exchanging Word or Excel files between users. In Buboflash you can pick 
   friends who are interested in learning the same things as you are and you 
   can follow them. I added versioning system so we can share but we do not 
   have to agree on specific wording of the flashcard. Wikipedia is also 
   crowdsourced but in Wikipedia it is always the last version that wins, 
   which is unacceptable for learning, people would overwrite each other's 
   versions. In Buboflash each user can bookmark a version he or she likes 
   most. If you like my changes, you accept them, otherwise you ignore them.
   - Search - works on the entire database with sensible autocomplete.
   - Integration between Mnemosyne, Anki and Buboflash. Content should be 
   easy, for me it is just html. Next, learning process - Supermemo has a lot 
   of "factors" that are proprietory algorithm parameters. Mnemosyne and Anki 
   are open source, so we know what different "factors" mean, but - I really 
   think that SRS programs should only exchange learning histories (events) 
   and recompute whatever internal parameters they want. This way there is no 
   guarantee that say Mnemosyne and BuboFlash would schedule next repetition 
   in the same way, but so what? At least both systems would put their "best 
   effort" to calculate next interval based on objective facts - repetitions. 
   So, I would just export and import learning histories, no proprietory 
   "factors" and "matrices".
   - Last but not least, I am in a mood for Christmas promotion. See, I am 
   learning from the following books now: "Mastering Financial Calculations", 
   "Programming in Scala" and "Java 8 for the Impatient" - see my movie about 
   pdfs here: https://www.youtube.com/watch?v=_W9J8DpPWcU So, back to my 
   Christmas gift: if you have your favourite textbook in paper format, send 
   it to me and I will scan it for you (destructively) and we can experiment 
   with incremental reading. Ping me at piotr.wasik[at]gmail.com Of course 
   - unless you explicitely "show it to a friend" - only you will be able to 
   view and download the pdf from Buboflash. Alternatively just google for 
   "scan my books in MyTown".


What do you think?

Enjoy,
Piotr

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