If you are able and capable of making small donations online to the victims of the Orlando LGBT Nightclub attack, which killed 49 people and left 53 people injured, here's a few legitimate donation sites:

https://www.gofundme.com/PulseVictimsFund
I double checked this against Equality Florida's main website, it is legitimate
(Direct link to updates seems to be failing, I'll just link to the main site)
http://www.eqfl.org/

I will try to update this with new charities and resources as they come over and if you know of more, please feel free to comment them, but everyone should be aware and do their own research like I did on Equality Florida.

Here's a few helpful hints for newcomers to charities and some of the frauds that come out:

http://www.marketwatch.com/story/dont-donate-to-an-orlando-victims-scam-2016-06-13