Javascript Database

http://lokijs.org

Mathe by Daniel Jung

https://www.youtube.com/user/beckuplearning 

https://www.studyhelp.de/mathe/

Last responsible moment

https://blog.codinghorror.com/the-last-responsible-moment/

(https://medium.com/react-ecosystem/how-to-handle-state-in-react-6f2d3cd73a0c)

Home speaker product

http://dilbert.com/strip/2017-07-15

Sync(th)ing

https://www.freefilesync.org locally (same computer or remote with SFTP)

https://syncthing.net/ over the net without central server, written in Go

Outperforming the .NET GC

https://www.infoq.com/articles/Big-Memory-Part-2 crazy stuff

(http://nfxlib.com/)

BenchmarkDotNet

http://mattwarren.org/2016/02/17/adventures-in-benchmarking-memory-allocations/

https://jeremylindsayni.wordpress.com/2017/06/22/measure-your-codes-performance-during-development-with-benchmarkdotnet-and-net-core/

https://jeremylindsayni.wordpress.com/2017/06/25/measure-code-performance-during-development-with-benchmarkdotnet-part-2-methods-with-data-transfer-object-parameters/