No clear winner has arrisen yet when it comes to services rather than products. Its an interesting marketplace evolving all the time so it won’t be long till there is a clear brand leader in my opinion. Linking to an interesting page here https://www.salesbloom.co.uk/blog/alternatives-to-ebay/

Alternatives to eBay - 2020 Marketplaces Update

Link: https://www.salesbloom.co.uk/blo

Are you sick of eBay or just want to find an alternative option to sell your products? This list will be update regualrly to give you more places to sell.