Linqdb: http://linqdb.net
Inspired by: https://ayende.com/blog/175649/performance-analysis-the-cost-of-stackoverflow-indexes
Data from: https://archive.org/download/stackexchange
Data model: https://github.com/ren85/linqdb_benchmark/blob/master/StackData/Data.cs
Latest results: http://linqdb.net/home/benchmark