Here are the top 6 synths available at the market today in their respective categories,
For classic synths, nothing comes close to emulating and recreating than the Arturia V Collection 6 named as the ultimate vintage-keyboard package. If you wish to have every classic synth but really is limited by your resources this one is definitely for you. With 21 classic synths and boards and over 6,000 sounds almost perfectly emulated.
If you are working on a budget then Rob Papen Go2 is just what you are looking for with 600 presets and effects to choose from this sure is a steal for its price.
Read more here: https://www.musictech.net/guides/best-soft-synths/