I came back to open source auction software again, it’s really important and seems to have been enclosed, particularly around SaaS services or by the Investment Banks and Financial Exchanges. Not aimed at the largest scale, but here are some notes …
- Compare the Top Auction Software of 2020, at SourceForge
- We Bid, genuinely open source, PHP and MySQL
- https://ofbiz.apache.org/ , the apache project, does it have an auction module.