What is the easiest & cheapest framework to implement multiplayer?

[g_a_p]

You will find a list of networking solutions in this thread:

What are the pros and cons of available network solutions/assets

[EDIT 04/04/23] WARNING: This list hasn't been updated in a few years so a lot of information is missing and outdated. This is a simple list of the best solutions and assets and their pros and cons so that I (and others) can make the best choice for their multiplayer projects. Here's a link to a similar google doc where you can get more information on some of the solutions listed here, and general networking terms: https://docs.google.com/document/d/1ufcl6_ylbzthfmzzZ7HPiwDLR0sr1N3UAunUG9r…