How does one know which altcoins come out recently and thus are trading pretty good? You can check coinmarketcap to see which coin has increased in price or decreased in price the most in last 24 hours or 7 days or month etc. But besides that, are there sites that show what coins will be released soon to the public? Thus by that i mean being able to buy from exchange like binance etc.
CoinMarketCap adds not all tokens that appear on the market. For me, the easiest way to learn about new alts that appear on the market is to watch YouTube videos regularly. I am subscribed to several channels about crypto: the news appears there every 2 hours.