Do you to contribute to Gaming Archive? Well we can do that. We might remove this when we get too much requests, but right now, you can contribute.Google Form Link
Before you download a rom from here, Yes it will have a long name when you download it. This is because we use glitch to upload our roms, and for some reason, it keeps the large text string in the filename.
All of the System Titles in the DSi section are ".app" files, but they will still work if you change the file extension to ".nds"
The files in the 3DS section are decrypted cia files.