1. Csv[DEPRECATED] See https://github.com/p-ranav/csv2
2. Csv2Fast CSV parser and writer for Modern C++
7. Reprrepr for Modern C++: Return printable string representation of a value
12. jsonlintLightweight command-line tool for validating JSON
13. pschedPriority-based Task Scheduling for Modern C++
14. envyenvy: Deserialize environment variables into type-safe structs
19. cgolConway's Game of Life in the Terminal
20. irisLightweight Component Model and Messaging Framework based on ØMQ