Crystal (programming language)
Description: Crystal is a compiled, general-purpose, object-oriented programming language with a syntax similar to Ruby. It has static type checking, bindings to C libraries, and claims to have performance comparable to statically typed languages like C++ and Go.
Type: software
Pricing: Open Source
Logstash
Description: Logstash is an open source data processing pipeline that ingests data from multiple sources, transforms it, and then sends it to a destination. It is used for collecting, parsing, and storing logs for future use.
Type: software
Pricing: Free