GLCaml is an Objective Caml interface for OpenGL versions 1.1, 1.2, 1.3, 1.4, 1.5, 2.0, and 2.1, plus extensions. It is intended as a compact drop-in binding. It is a direct, dynamic binding to OpenGL. An OCaml SDL binding is provided as well, along with texture-map scaling functions, texture mip-map generators, and a bitmapped font library. Extensive documentation and more than 20 examples are provided.
Hunny Mail++ is a cross-platform C++ library that provides classes for SMTP, POP3, IMAP4, and NNTP clients. This mature toolkit, which has been in active development since 1997, offers many features, including support for TLS (SSL) and the most popular SASL authentication mechanisms, IMAP extensions, and NNTP extensions. The toolkit comes with well-written documentation and numerous example programs, making it easy to use.
Peklo is a graph editor and an environment for visualizing and comparing different algorithms for some graph theoretic problems. Currently implemented are algorithms for maximum flows (including multi-commodity and balanced flows), minimum cuts, shortest path, minimum spanning tree, and maximum matching.
NUS (Nemesis Utilities System) is a cross-platform C++ application development framework that focuses on the development of network applications, non-GUI applications, CGI scripts, database applications, and any kind of application that needs interoperability. NUS is very modular, making it easy to maintain, debug, and deploy. The library was greatly inspired by other libraries such as Trolltech's Qt.