Hola, adjunto éste listado de repositorios que he ido guardando.

Temáticas:

Programación, redes, bases de datos, hacking, sistemas operativos, criptografía, ethical hacking.....

http://index-of.es/

https://repo.palkeo.com/repositories/ # Login:repo / Password:repo

https://repo.zenk-security.com/

https://mega.nz/folder/NlAD2IDT#rx2-KvgURclZRWSuVuQv5w

https://mega.nz/folder/EZ4i0RoB#F6ZZ6h1Ehlt0GuuLUMQbcg

https://mega.nz/folder/5PYj2aoQ#p52qjtbk_cRaGQuqtlC5Jg/folder/gLpH3IbA

https://mega.nz/folder/CwB02RLB#JKKOjxpC8xRyGUx3T9rtpQ

https://mega.nz/folder/EZ4i0RoB#F6ZZ6h1Ehlt0GuuLUMQbcg/folder/UQxihYJK

https://mega.nz/folder/l91GTAZC#_l2QkseMCXYkTUBGeBAXuQ/folder/RpFgwCba

https://mega.nz/folder/Na4CCbKB#hSqcGhZac741lJFTYiiLPw/folder/YXYXRbQK

https://mega.nz/folder/kE1AjaCJ#EOQcUzAhfhSsfbLOoLhN9w

https://mega.nz/folder/rI4n0QRJ#BXwBsQG2SONep_g5B4LBJA

https://doc.lagout.org/ --> Copiar texto del documento o carpeta en la URL !!!

http://nube.burningthetowers.com/ebook/Ebook_informatica/

https://www.exploit-db.com/papers

http://www.handgrep.se/repository/

https://vxug.fakedoma.in/papers/

https://vx-underground.org/papers.html

https://github.com/The-Art-of-Hacking/h4cker

https://mega.nz/folder/ywlDDJaI#tGS2CmDJdeLg6TFWvJm-LQ

https://mega.nz/folder/rhc0UDJZ#uh6Ri-H5wIn236E4sSObDA

https://mega.nz/folder/S74XkKoZ#_OzRqczzCAKZvTy1Awymog

Hay material de sobras para aprender casi todas las disciplinas enfocadas en la informática, espero les sean de ayuda.

Actualizado: 08.11.2020

Saludos.