cpp 11 header-only 8 cplusplus 4 custom-allocator 4 emitter 4 javascript-library 4 unit-testing 4 testing-framework 4 testing 4 json 4 parser 4 python-library 4 rapid 4 serialization 4 cpp17 4 stl 4 yaml 4 c-plus-plus 3 cpp14 3 single-file 3 async 2 asynchronous-tasks 2 cloud 2 cpp-library 2 http 2 oauth 2 oauth2 2 sdk 2 tasks 2 websockets 2 logging 2 spdlog 2 grammar 2 parser-combinators 2 cpp20 2 cpp23 2 doctest 2 tdd 2 cxx 2 cxx11 2 test-framework 2 parsing 2 parsing-expression-grammar 2 parsing-expression-grammars 2 peg 2 pegtl 2 bash-completion 1 command-line-parser 1 commandline-flags 1 getopt 1 groff 1 option-parser 1 program-options 1 argument-parser 1 container 1 unordered-maps 1 stl-containers 1 no-dependencies 1 hash-tables 1 hash 1