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NetBSD's version of mkdep. Because it is a C program and does all postprocessing and file handling without calling any external programs, it is up to 10-percent faster than the original BSD mkdep shell script. Also it contains options not available in FreeBSD's mkdep.

OpenVex is an API (Application Program Interface) library for programming Vex robot controllers using SDCC or MCC18.

OpenZz is a dynamic parser which allows its grammar to be extended by commands written in its own Zz language. Due to the interpreted and dynamic nature of the parser OpenZz can be used to develop both fast language prototypes and full compilers.

Orc - The Oil Runtime Compiler Orc is a library and set of tools for compiling and executing very simple programs that operate on arrays of data. The "language" is a generic assembly language that represents many of the features available in SIMD architectures, including saturated addition and subtraction, and many arithmetic operations. (OIL stands for Optimized Inner Loops)

Mercurial is a fast, lightweight source control management system designed for efficient handling of very large distributed projects. Features include: * O(1) delta-compressed file storage and retrieval scheme * Complete cross-indexing of file and changesets for efficient exploration of project history * Robust SHA1-based integrity checking and append-only storage model * Decentralized development model with arbitrary merging between trees * High-speed HTTP-based network merge protocol * Easy-to-use command-line interface * Integrated stand-alone web interface * Small Python codebase * GPL license

OSSP al defines an abstract data type of a data buffer that can assemble, move and truncate chunks of data in a stream but avoids actual copying. It was built to deal efficiently with communication streams between software modules. It especially provides flexible semantical data attribution through by-chunk labeling. It also has convenient chunk traversal methods and optional OSSP ex based exception handling.

OSSP cfg is a ISO-C library for parsing arbitrary C/C++-style configuration files. A configuration is sequence of directives. Each directive consists of zero or more tokens. Each token can be either a string or again a complete sequence. This means the configuration syntax has a recursive structure and this way allows to create configurations with arbitrarily nested sections.

OSSP l2 is a C library providing a very flexible and sophisticated Unix logging facility. It is based on the model of arbitrary number of channels, stacked together in a top-down data flow tree structure with filtering channels in internal nodes and output channels on the leave nodes.

OSSP val is a flexible name to value mapping library for C variables. It is a companion library to OSSP var. It allows one to access C variables through name strings, although the C language does neither provide such a dedicated facility nor an evaluation construct (which could be used to implement such a facility easily).

The OSSP xds library is generic and extensible encoding and decoding framework for the serialization of arbitrary ISO C data types. OSSP xds consists of three components: the generic encoding and decoding framework, a set of shipped engines to encode and decode values in certain existing formats (Sun RPC/XDR and XDS/XML are currently provided), and a run-time context, which is used to manage buffers, registered engines, etc. The library is designed to allow fully recursive and efficient encoding/decoding of arbitrary nested data.