A number of alternative ways of getting 'passes' have been developed, though the best of them no long work.

• StreetPass file swapping - currently pretty manual.
  • https://gbatemp.net/threads/streetpass-2-rise-from-the-ashes.526749/
  • https://www.reddit.com/r/3dshacks/comments/a7qh8n/streetpass_2_rise_from_the_ashes/
• Homepass - You used to be able to trick your 3DS into thinking your home network was a relay like Nintendo had at certain shops.
  • SpillPass - Raspberry Pi-based Homepass.
    • https://gbatemp.net/threads/spillpass-for-raspberry-pi-v1-6.355768/
  • StreetPass Riilay and AndroidPass - Homepass for Android.
    • https://gbatemp.net/threads/android-streetpass-riilay-the-homepass-method-on-your-phone.353091/
    • https://gbatemp.net/threads/android-androidpass-an-alternative-for-the-streetpass-riilay.355752/

• https://en.wikipedia.org/wiki/SpotPass_and_StreetPass
• https://nintendo.fandom.com/wiki/StreetPass