Tools

BGB

http://bgb.bircd.org/ (external link)

By Bas Steendijk

Gambatte

https://sourceforge.net/projects/gambatte/ (external link)

By sinamas

gambatte-speedrun

fixes some flaws of memory emulation present in version r571 (external link)

By DabomstewDabomstew

SGB time converter

Easily convert your Super Game Boy 1 or 3DSVC times with this simple webapp! (external link)

By NuduaNudua

SML2 Randomizer

http://sml2r.download/ (external link)

By slashinfty

Saves

v1.2 Save File

File A has all non-boss and non-secret levels cleared for practice on any level. File B has 99 lives and all bosses cleared for practice on Wario's Castle. v1.2 ROM only. (direct download)

By pidge/slashinfty

Splits

Any%

Level splits (LiveSplit) (external link)

By slashinfty

Any% Glitchless

Zone splits (LiveSplit) (external link)

By slashinfty

Patches

None