Julian Assage is a complex figure who inspires mixed feelings, though ultimately he has been a source for good because he has made power more accountable and made people aware of the tech security state(s)*. He has paid a high price for it now and is still stuck at the Ecuadorian Embassy in London even after all these years.
Glenn Greenwald, the Guardian journalist who Snowden first contacted, writes excellent stuff for the Intercept and people should check it out.
*Not just America. Britain (a US puppet state in terms foreign policy - and I say that as a Brit) has GCHQ, which has done exactly the same.