These have just been revived! Smea just announced it at the end of the livestream. Thank Yellows8 and Smea!
Browserhax: http://yls8.mtheall.com/3dsbrowserhax.php
Menuhax: https://github.com/yellows8/3ds_homemenuhax
Ironhax: To be released.
Browserhax: http://yls8.mtheall.com/3dsbrowserhax.php
Menuhax: https://github.com/yellows8/3ds_homemenuhax
Ironhax: To be released.