Need a list of digital only marketplaces. As in they don't seel physical products, just digital content.
Such as software, musics, ebooks, videos..etc.
I'm not quite certain what you mean by marketplaces but theses a short list of websites that may assist you: thecryptocurrencypost.net; newsbtc.com; cryptoeinfach.medium.com; coinpedia.org; cointelegraph.com; investblockchain.com; cryptovibes.com; coindoo.com; niews.btdirect.eu. I hope that helps.
The best ecommerce platforms to sell digital products
Podia – The best all round ecommerce platform for selling digital products. Includes downloads, membership subscriptions, webinars and courses.
Sellfy – A powerful ecommerce platform for selling digital downloads, subscriptions and memberships.
Thinkific – The best solution for selling online courses. Free basic plan + no fees.
BigCommerce – The best solution for creating a full ecommerce platform. Sell digital products and physical products with ease.
PayHip – Sell a wide range of digital products. Includes downloads, memberships and more. Free plan available. No features locked away behind higher plans.
SendOwl – A popular platform for selling digital products without transaction fees.
Gumroad – Simple platform for selling digital products. Get started for free but you’ll have to share a cut of your profits.
Selz – Sell digital products and physical products with ease.
Teachable – Another popular option for selling online courses. Transaction fees on certain plans.
Shopify – Another popular option for creating a full ecommerce store.
MemberPress – The best WordPress membership plugin. Sell paid memberships and digital products without sharing a cut of your products.
apps (app store, google play, microsoft store ...)
graphics (envato, adobe stock, shutterstock ...)
websites (flippa, fe intl., empire flippers ...)
and much, much more...