- STLport
- STLport is a copy of the STL library that works with most C++ compilers
- Loki
- Loki is a library of flexible design pattern implementations. The companion library to the book "Modern C++ Design", which introduces "Policy-Based" design.
- POCO
- Poco is a powerfull open source C++ class libraries for building network and internet-based applications that run on desktop, server and embedded systems.
- Boost
- Boost is a collection of C++ libraries that never made it into the standard.
- Some free compilers:
- Visual Studio Express Editions
- Visual Studio Toolkit 2003
- Platform SDK for XP SP2
- Microsofts free Visual Studio compilers - Identical to the commercial product. Now Microsoft is oftering the whole product line in an 'express' version, IDE, compilers and all! Free!
- Digital Mars Compilers
- Digital Mars produces compilers for C,C++,and D. Free versions are available, and the C++ compiler is the fastest compiler (as in the time required to compile something) I've used.
- Intel Compilers
- Intel produces an optimized vectorizing compiler free for non-profit use. Supports OpenMP.
- MinGW
- The GCC compiler for windows.
- Dev-C++
- An IDE for GCC, and other compilers
- Code::Blocks
- Another free cross-platform IDE.
