[manigandham]

Great blog post! First one I've seen with good comparisons to the other options. I would recommend adding Xapiand too: https://github.com/Kronuz/Xapiand

[molsson]

Thanks (you can upvote it here if you want: https://news.ycombinator.com/item?id=19605334 )

I've added a mention of Xapian/Xapiand as well now and generated new graphs that include data for those two projects.