There are 3 repositories under cpp1z topic.
A lightweight & cross-platform IDE supporting the most recent C++ standards. This project has moved to https://gitlab.com/cppit/jucipp.
A C++ port of jlox and clox - Based on Bob Nystrom's Book "Crafting Interpreters"(http://www.craftinginterpreters.com/)
C++17 implementation of an object pool pattern
A C++17 implementation of a circular buffer
An exercise on c++ idioms, generic programming, concurrency, and pattern.
Curated list of useful c++ tools, and resources to learn them:
A C++17 implementation of a variable with memory of its previous values.
A C++17 implementation of an active class: an active class generates a thread and controls it using functional objects passed by the client application
C++17 implementation of arbitrary precision integer arithmetic
A C++17 implementation of a deferred thread scheduler
A C++17 implementation that adds color capabilities to streams
Single header container for lambdas with (or without) move-only encapsulation that can be invoked only once.
Scan documents with your smartphone (╯°□°)╯︵( .o.)
A collection of C++17 utilities
I'll write a description once it'll grow into smth (if it will).