Pydiction consists of a Vim plugin and a Python script that allows programmers to tab-complete their Python code in Vim by generating a dictionary file of Python modules, and their attributes and methods. It comes with a default dictionary containing the entire Python standard library, keywords, built-ins, and many 3rd-party modules like Numpy, Django, Flask, Requests, Twisted, PyQT4, Pygame, OpenGL, wxPython, PyGTK, MySQLdb, Psycopg2, and more.
Libzdb is a database library with thread-safe connection pooling. The library can connect transparently to multiple database systems. It has zero runtime configuration and connections are specified via a URL scheme. A modern object-oriented API is provided. Libzdb supports MySQL, PostgreSQL, SQLite, and Oracle.
cqueues is a comprehensive event and networking library for Lua 5.2 and LuaJIT using modern Unix O(1) polling facilities. It includes libraries for buffered socket I/O, SSL/TLS sockets, DNS querying, signal handling, threading, file change notification, and X.509 key management. It natively supports Linux, *BSD, OS X, and Solaris systems without third-party dependencies, and is interoperable with any event loop that accepts plain descriptors, or is usable standalone.