so far I have not found a site that provides information services like you say. I personally prefer to monitor it on their social media and subscribe to their newsletter.
I think you can check it directly to any online exchange because they will always give a notice whenever there is a new coin thats get listed on their platform. one example is myetherwallet , mew does always show a notification or a message beside your dashboard ( located on the upper right of the screen )
I personally prefer to monitor it on their social media and subscribe to their newsletter.
yes thats right. These two were also another good option to track any changes made by their site.
And lastly , bitcointalk.org has also a good source for latest news and updates regarding on cryptocurrency talk.