Wisp is a syntax for Guile which provides a Python-like whitespace-significant language. It may be easier on the eyes for some users and in some situations.

guile-email is a collection of email utilities implemented in pure guile. It supports parsing MIME (Multipurpose Internet Mail Extensions) compliant email messages and reading emails from the mbox format.

This library provides a reference implementation for SRFI-223. This SRFI defines a generalized procedures for binary search of vector-like data structures are provided which can be applied to any sequence type, including ones defined by the user, together with applications of these procedures for Scheme’s built-in vectors.

Fibers is a Guile library that implements a a lightweight concurrency facility, inspired by systems like Concurrent ML, Go, and Erlang. A fiber is like a "goroutine" from the Go language: a lightweight thread-like abstraction. Systems built with Fibers can scale up to millions of concurrent fibers, tens of thousands of concurrent socket connections, and many parallel cores. The Fibers library also provides Concurrent ML-like channels for communication between fibers.

Note that Fibers makes use of some Guile 2.1/2.2-specific features and is not available for Guile 2.0.

This package provides an implementation of SRFI-232, which describes curried, a variant of lambda that creates true curried procedures which also behave just like ordinary Scheme procedures. They can be applied to their arguments one by one, all at once, or anywhere in between, without any novel syntax. curried also supports nullary and variadic procedures, and procedures created with it have predictable behavior when applied to surplus arguments.

This package provides SRFI-89 optional positional and named parameters, which define* and lambda* special forms

GNU Guile QR code generator that can create QR codes from text and binary data. The resulting QR codes can be rendered to ASCII art strings or to PNG images (using Guile-PNG API.)

guile-goblins is the Guile version of Spritely Goblins, a transactional, distributed programming environment following object capability security designs. Goblins is a general toolkit, and also the core layer of Spritely's work to support healthy distributed networked communities. Goblins allows for cooperation between networked programs in a mutually suspicious network through OCapN, the Object Capability Network. This includes collaboration across runtimes; for instance, programs written in the Guile and Racket versions of Goblins are able to speak to each other.

Lokke intends to provide a full dialect of Clojure for Guile. It also consists of a set of Guile modules providing some of Clojure's functionality in two different guises.

Topological sorting is an algorithm that takes a graph consisting of nodes and other nodes that depend on them, forming a partial order, and returns a list representing a total ordering of the graph. If the graph is cyclic, the topological sort will fail. The procedure topological-sort returns three values. If sorting succeeds, the first value contains the result and the second and third are #false. If sorting fails, the result is #false and the second and third value may provide additional information about the error.

This package provides Guile bindings to the libsodium cryptographic library which provides core cryptographic primitives needed to build higher-level tools.

This library provides the sample implementation of SRFI-165. This SRFI defines an environment monad, which models computations that depend on values from a shared environment. These computations can read values from the environment, pass values to subsequent computations, execute sub-computations in an extended environment, and modify the environment for future computations.

This package provides a simple SVG-based picture language for Guile. The picture values can directly be displayed in Geiser.

Guile C bindings for UNIX sockets. Exposes simple procedures: process_fd, wl_recvmsg, wl_sendmsg, init_socket. Probably can be replaced with guile's built-ins: fdes->ports, recv!, send

MiniKanren is a relational programming extension to the Scheme programming Language, written as a smaller version of Kanren suitable for pedagogical purposes. It is featured in the book, The Reasoned Schemer, written by Dan Friedman, William Byrd, and Oleg Kiselyov.

This is Ian Price's r6rs packaged version of miniKanren, which deviates slightly from miniKanren mainline.

See http://minikanren.org/ for more on miniKanren generally.

Guile-redis provides a Scheme interface to the Redis key-value cache and store.

Guile C bindings for wayland shared memory (SHM). Exposes simple procedures: wl_shm_create_wrapper, wl_shm_allocate_wrapper, wl_shm_munmap, wl_shm_mmap Probably can be replaced with guile's built-in file-descriptor procedures.

Fibers is a Guile library that implements a a lightweight concurrency facility, inspired by systems like Concurrent ML, Go, and Erlang. A fiber is like a "goroutine" from the Go language: a lightweight thread-like abstraction. Systems built with Fibers can scale up to millions of concurrent fibers, tens of thousands of concurrent socket connections, and many parallel cores. The Fibers library also provides Concurrent ML-like channels for communication between fibers.

Note that Fibers makes use of some Guile 2.1/2.2-specific features and is not available for Guile 2.0.

This package contains helper functions for working with file system locations.

Guile-Lens is a library implementing lenses in Guile. The library is currently a re-implementation of the lentes library for Clojure. Lenses provide composable procedures, which can be used to focus, apply functions over, or update a value in arbitrary data structures.

guile-aspell is a Guile Scheme library for comparing a string against a dictionary and suggesting spelling corrections.

G-Golf (Gnome: (Guile Object Library for)) is a library for developing modern applications in Guile Scheme. It comprises a direct binding to the GObject Introspection API and higher-level functionality for importing Gnome libraries and making GObject classes (and methods) available in Guile's object-oriented programming system, GOOPS.

This library implements immutable ropes for GNU Guile. A rope is a data structure that represents text strings. It is useful for text editing, because text can be inserted at an arbitrary point without requiring the moving of a lot of data.

guile-xapian provides Guile bindings for Xapian, a search engine library. Xapian is a highly adaptable toolkit which allows developers to easily add advanced indexing and search facilities to their own applications. It has built-in support for several families of weighting models and also supports a rich set of boolean query operators.