SRFI 253: Data (Type-)Checking

Tagged procedures with type safety (with SRFI-229 compatability)

Sources of Random Bits

Localization

SRFI-34: Exception Handling for Programs

SRFI-35 Conditions

A simple and flexible command-line option parsing facility

A Chicken version of the SRFI-38 reference implementation

SRFI-42 Comprehensions for SRFI-4 Vectors

SRFI 41 (Streams)

SRFI-42 (Eager comprehensions)

SRFI-45: Primitives for Expressing Iterative Lazy Algorithms

SRFI-47: Arrays

SRFI-48: Intermediate Format Strings

SRFI-5: A compatible let form with signatures and rest arguments

SRFI-51: Handling rest list

SRFI 60: Integers as bits

Homogeneous and heterogeneous arrays

SRFI 64:"A Scheme API for test suites" implementation

SRFI-66: Octet Vectors

SRFI-67: Compare Procedures

SRFI-69 hash-table library

SRFI-69/90 hash-table library (w/ weak references)

SRFI-71: Extended LET-syntax for multiple values

SRFI-74: Octet-Addressed Binary Blocks

SRFI-78: Lightweight testing

SRFI-90 hash-table library

SRFI 94: Type-Restricted Numerical Functions

SRFI-95: Sorting and merging

SRFI-99 record types

Oleg Kiselyov's XML parser

SQL as S-expressions

Provides LIFO queue (stack) operations

An aggressively optimizing Scheme->C compiler

Simple Finite State Machine library

Statistics library

read png/jpg/tga/bmp/psd/gif/hdr/pic/pnm images into pixels

resize raw u8/u16/u32/f32-vector images

write png/jpg/tga/bmp images

Bindings for the Snowball project's libstemmer

Bindings to the STFL curses widget library

String Utilities

A string DSL

stty-style interface to termios

An interface to SUNDIALS (SUite of Nonlinear and DIfferential/ALgebraic equation Solvers).

Parse, normalize, and write SVG path data

A wrapper around Subversion's libsvn_client C library.

Parse svnwiki to sxml

A program to convert svnwiki syntax to HTML

The sxml-modification bits of sxml-tools from the SSAX project at Sourceforge

Serialize SXML to XML and HTML

The SXML transformations (to XML, SXML, and HTML) from the SSAX project at Sourceforge

The sxpath bits of sxml-tools from the SSAX project at Sourceforge

Symbol Utilities

Synchronization Forms

Exit status codes for system programs

load and compile groups of files

Obtaining system and host information

Parsing and formatting of tabular text data such as comma- and delimiter-separated values (CSV and DSV).

Bindings to taglib

A simple generic multithreaded tcp-server

Interface to TCP over IPv4 and IPv6

Minimal text based user interfaces. Bindings for nsf/termbox

Yet Another Testing Utility

Allows quickcheck like testing for pure code with the test egg

A tool to test new eggs before they are added to the official CHICKEN repository

Test Utilities (for test egg)

Python's "this" module ported to CHICKEN

Thread Utilities

Tiger/192 Message Digest

Resource w/ Timeout

Tiny PROLOG interpreter.

Tokyo Cabinet hash database interface

A Chicken binding to read TOML configuration files

Bindings for the sr.ht REST API

tracing and breakpoints

Transducers for working with foldable data types.

Transmission RPC

Various list operations

A tree utility library

replacement of car, cdr and consorts and other tree- and list-routines

A trie (prefix tree) implementation

TweetNaCl cryptographic library

Miscellaneous type system extensions

Type classes

Typed variants of various record-definition macros

An interface to User Datagram Protocol sockets

Interface to UDP over IPv4 and IPv6

Conversion of units of measurement

Unicode & LaTeX Named Chars

Unsafe operations

Parser for common URI schemes

URI generic syntax (RFC 3986) parsing and manipulation.

A flexible URI matcher

Unicode support

native chicken uuid library

OSF DCE 1.1 UUID

A cheeky IRC bot

A template for defining dynamic arguments procedure

Port of the SRFI-43 reference implementation