There is very little baudot RTTY anymore (apart from a few hams that still use it), but CW is still very prevalent. However not everyone uses the International alphabet.
However there are quite a number of things you can decode (apart from hams). Take a look at this article;
wiki.radioreference.com
As for software, there's quite a list - many can be used by the RTL but you will need a virtual audio cable to make the audio connection between SDR# and whatever software you choose...
wiki.radioreference.com
and for Virtual Audio cables, see that section here...
wiki.radioreference.com
Now where to find recent logs? Easy - check the Utility DXers Forum (UDXF) reflector on groups.io...joining up is easy...
The Utility DXers Forum - UDXF is centered around the exchange of news and information relating to "utility" radio stations and signals, below 30 MHz. What kind of stations are covered? Actually everything in the range of 0- 30 MHz with the exception of Broacasting Stations, Pirate Stations...
groups.io
and finally...
The BIG List of RTL-SDR Supported Software
That oughta keep you busy for awhile....Mike