I see a lot of posts which are the same shit or are downright lazy. Use this thread for all sorts of resources you can use to help you find what you are looking for. Enjoy and feel free to contribute more stuff I may have missed.
NOTE: I deleted the same thread a minute ago because I made a mistake with one of the links, everything is in order now.

Sauce on Image:
https://smallseotools.com/reverse-image-search/


Sauce on Song:
https://www.acrcloud.com/identify-songs-music-recognition-online/upload/2df133d1392f5c34b0bc4a7adecaee5f#upload-div


Anime Streaming:
https://archive.nyafuu.org/wsr/thread/675027/#675057


Torrents/Piracy:
(Try avoid Pirate Bay unless you're very confident or it's the last resort)

### Anime ###
nyaa.si (or .se)
l337x.to
(Get subs from here) https://kitsunekko.net/

### Everything You Could Ever Need Piracy Related ###
https://www.reddit.com/r/piracy/wiki/megathread

### Vidya Games ###
(PS2) https://archive.org/download/RedumpSonyPS2NTSCU
1337x or Rarbg


Manga Reading:
http://www.mangareader.net/
https://archive.nyafuu.org/wsr/thread/69110/#q69135
https://www.epubor.com/free-manga-sites-to-read-manga-online-for-free.html


Download Books/Textbooks (Nerd):
https://b-ok.cc/


Recommend me Anime plox x3:
Boku no Pico


Other:

### Reverse Image Search Browser Extensions ###
https://chrome.google.com/webstore/detail/one-click-reverse-image-s/pdlkdjkniakkdcefhpcnmengcnpbiick
or
https://addons.mozilla.org/en-GB/firefox/addon/search_by_image/?src=search


### The Mother of All 4chan Archives ###
https://yuki.la/

### Need Homework Help ###
Whatever you do, don't ask /sci/

### Out of the Loop ###
https://www.noslang.com/
https://www.urbandictionary.com/
https://www.reddit.com/r/OutOfTheLoop/

### Not Listed Here? ###
Try the archive:
https://archive.nyafuu.org/wsr/
- Still can't find it? Make a post.