I also found:
http://passguardian.com/Some ideas:
Support of BIP39 and/or the possibility to use 128-256 bit mnemonics.
Displaying the shares as mnemonic / qrcode / hex
Maybe i'll fork and will try it by myself. AngularJS is just great to play with
Passguardian is great. I use it for bip38 passphrase.
I am going to read bip39, as i don't know it.
If you fork the code, don't hesitate to do some pull requests, any help is welcome.