It would help if you were more specific.
- If you just want to see the market in a similar format to in-game https://evemarketer.com/
There are several tools that assist with manufacturing like EVE Isk Per Hour Industry Program - Version 4.0 and https://www.fuzzwork.co.uk/blueprint/
http://games.chruker.dk/eve_online/market.php remains an excellent resource for industry.