Provides a single function to report the current time in nanoseconds since the start of the Unix epoch.

Alcotest exposes simple interface to perform unit tests. It exposes a simple TESTABLE module type, a check function to assert test predicates and a run function to perform a list of unit -> unit test callbacks. Alcotest provides a quiet and colorful output where only faulty runs are fully displayed at the end of the run (with the full logs ready to inspect), with a simple (yet expressive) query language to select the tests to run.

This package provides the core modules of Modal Editing Witch, a general modal editing engine generator.

Timed references for imperative state. This module provides an alternative type for references (or mutable cells) supporting undo/redo operations. In particular, an abstract notion of time is used to capture the state of the references at any given point, so that it can be restored. Note that usual reference operations only have a constant time / memory overhead (compared to those of the standard library).

Moreover, we provide an alternative implementation based on the references of the standard library (Pervasives module). However, it is less efficient than the first one.

Eio_linux provides a Linux io-uring backend for Ocaml Eio APIs, plus a low-level API that can be used directly (in non-portable code).

Helper functions for writing expect tests.

Dune is a build system for OCaml. It provides a consistent experience and takes care of the low-level details of OCaml compilation. Descriptions of projects, libraries and executables are provided in dune files following an s-expression syntax.

Utilities for working with terminal output, such as color printing.

OCamlFormat is a tool to automatically format OCaml code in a uniform style.

C header files shared between the various Jane Street packages.

This package installs a ppx-jane executable, which is a ppx driver including all standard Jane Street ppx rewriters.

ppx_bap is the set of blessed ppx rewriters used in BAP projects. It fills the same role as ppx_base or ppx_jane (from which it is derived), but doesn't impose any style requirements and has only the minimal necessary set of rewriters.

OASIS is a tool to integrate a configure, build and install system in your OCaml projects. It helps to create standard entry points in your build system and allows external tools to analyse your project easily.

Define a standard set of libraries which may be expected on every compliant installation of OCaml and organize these libraries into a hierarchy of modules.

A ppx rewriter that rewrites simple match statements with an if then else expression.

This library provides an alternative to the Format module of the OCaml standard library. Pp uses the same concepts of boxes and break hints, and the final rendering is done to formatter from the Format module. However it defines its own algebra which some might find easier to work with and reason about.

Dune-configurator is a small library that helps writing OCaml scripts that test features available on the system, in order to generate config.h files for instance. Among other things, dune-configurator allows one to:

• test if a C program compiles

• query pkg-config

• import #define from OCaml header files

• generate config.h file

LablGtk is an OCaml interface to GTK+ 1.2, 2.x and 3.x. It provides a strongly-typed object-oriented interface that is compatible with the dynamic typing of GTK+. Most widgets and methods are available. LablGtk also provides bindings to gdk-pixbuf, the GLArea widget (in combination with LablGL), gnomecanvas, gnomeui, gtksourceview, gtkspell, libglade (and it can generate OCaml code from .glade files), libpanel, librsvg and quartz.

OCamlgraph is a generic graph library for OCaml.

This library provides facilities to parse version numbers of the OCaml compiler, and enumerates the various official OCaml releases and configuration variants.

OCamlbuild is a generic build tool, that has built-in rules for building OCaml library and programs.

This module provides an abstract engine for text edition. It can be used to write text editors, edition widgets, readlines, and more. The module Zed uses Camomile to fully support the Unicode specification, and implements an UTF-8 encoded string type with validation, and a rope datastructure to achieve efficient operations on large Unicode buffers. Zed also features a regular expression search on ropes. To support efficient text edition capabilities, Zed provides macro recording and cursor management facilities.

base-quickcheck provides randomized testing in the style of Haskell's Quickcheck library, with support for built-in types as well as types provided by Base.

OUnit2 is a unit testing framework for OCaml. It is similar to JUnit and other XUnit testing frameworks.