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
Notion
Description: Notion, the all-in-one workspace. Unify your notes, tasks, and collaboration in a single platform. With its flexible structure, rich media integration, and team collaboration features, Notion transforms the way you work and create.
Type: software
Pricing: free