If you'd like to support the site, you can add a linkback to the page. The M3i Zero is a redesigned M3 Real that is compatible with the DSi.
Even better, a donationto help the site stay running (at the bottom of the page). It features externally upgradable firmware/bootloader by use of a USB cable, so it can always be updated regardless of DSi firmware updates.
The DSTTi is the DSi-compatible version of the card, which shares the same loader.
Made by the same people as (and practically identical to) the Super R4i.
The i Touch2 is the DSi-compatiable version, which shares the same loader.
Official Site The Supercard Team's Slot-1 card series. The DSONEi is the DSi compatible version of the card.
You can get the package from the Essential Utilities category.
Official Site The Top Toy DS (DSTT) is a so-called 'budget' card.