Based on our record, inventaire.io seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
That said, I did a little digging over at Awesome Self-hosted, and came across one entry that might be promising: Inventaire. Source: about 2 years ago
Try to take a look at https://inventaire.io/ (source-code at https://github.com/inventaire/inventaire) a neat piece of software currently developed (and with the goal to make it self-hostable if you want and federated) book management, it may come in handy. Source: almost 3 years ago
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