Alternatives and similar repositories for STL

Users that are interested in STL are comparing it to the libraries listed below

• boostorg / boost
  Super-project for modularized Boost
  ☆8,288Updated this week
• microsoft / GSL
  Guidelines Support Library
  ☆6,612Updated last month
• cplusplus / draft
  C++ standards drafts
  ☆93Updated last week
• uxlfoundation / oneTBB
  oneAPI Threading Building Blocks (oneTBB)
  ☆6,542Updated this week
• fmtlib / fmt
  A modern formatting library
  ☆23,237Updated this week
• abseil / abseil-cpp
  Abseil Common Libraries (C++)
  ☆17,006Updated this week
• chriskohlhoff / asio
  Asio C++ Library
  ☆5,736Updated 2 months ago
• google / benchmark
  A microbenchmark support library
  ☆9,995Updated this week
• gabime / spdlog
  Fast C++ logging library.
  ☆28,251Updated 3 weeks ago
• catchorg / Catch2
  A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++…
  ☆20,168Updated 2 weeks ago
• Tencent / rapidjson
  A fast JSON parser/generator for C++ with both SAX/DOM style API
  ☆14,973Updated last year
• google / glog
  C++ implementation of the Google logging module
  ☆7,361Updated 8 months ago
• ericniebler / range-v3
  Range library for C++14/17/20, basis for C++20's std::ranges
  ☆4,346Updated 10 months ago
• electronicarts / EASTL
  EASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high pe…
  ☆9,136Updated 2 months ago
• cameron314 / concurrentqueue
  A fast multi-producer, multi-consumer lock-free concurrent queue for C++11
  ☆12,037Updated 7 months ago
• nlohmann / json
  JSON for Modern C++
  ☆48,785Updated this week
• rigtorp / awesome-modern-cpp
  A collection of resources on modern C++
  ☆12,854Updated last year
• microsoft / cpprestsdk
  The C++ REST SDK is a Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API de…
  ☆8,258Updated 7 months ago
• andreasfertig / cppinsights
  C++ Insights - See your source code with the eyes of a compiler
  ☆4,451Updated 7 months ago
• microsoft / wil
  Windows Implementation Library
  ☆2,863Updated this week
• jbeder / yaml-cpp
  A YAML parser and emitter in C++
  ☆5,825Updated this week
• sharkdp / dbg-macro
  A dbg(…) macro for C++
  ☆3,227Updated 11 months ago
• conan-io / conan
  Conan - The open-source C and C++ package manager
  ☆9,210Updated last week
• google / tcmalloc
  ☆5,108Updated this week
• pocoproject / poco
  The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on deskto…
  ☆9,350Updated this week
• open-source-parsers / jsoncpp
  A C++ library for interacting with JSON.
  ☆8,805Updated 3 weeks ago
• lewissbaker / cppcoro
  A library of C++ coroutine abstractions for the coroutines TS
  ☆3,810Updated 2 years ago
• danmar / cppcheck
  static analysis of C/C++ code
  ☆6,488Updated last week
• Neargye / magic_enum
  Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate …
  ☆5,932Updated last week
• USCiLab / cereal
  A C++11 library for serialization
  ☆4,610Updated last year