Modules

Every module in the pure-Go Ruby standard library, grouped by delivery wave. Each links to its repo, landing page, and docs — the three uniform URLs derived from the module name.

Waves 1–2 — core

Module	Ruby	Description	Links
regexp	Regexp	Onigmo-compatible regular-expression engine	repo · landing · docs
erb	ERB	ERB embedded-Ruby templating	repo · landing · docs
yaml	YAML/Psych	YAML emitter and loader (Psych)	repo · landing · docs
format	format/sprintf	sprintf / format / String#% formatting	repo · landing · docs
strscan	StringScanner	StringScanner lexical scanning	repo · landing · docs
optparse	OptionParser	OptionParser command-line option parsing	repo · landing · docs
json	JSON	JSON generation and parsing	repo · landing · docs
bigdecimal	BigDecimal	arbitrary-precision decimal arithmetic	repo · landing · docs
date	Date/DateTime	Date and DateTime	repo · landing · docs
uri	URI	URI parsing and manipulation	repo · landing · docs
csv	CSV	CSV reading and writing	repo · landing · docs
shellwords	Shellwords	POSIX shell-style word splitting and escaping	repo · landing · docs
digest	Digest	message digests (MD5/SHA1/SHA2/…)	repo · landing · docs
marshal	Marshal	Marshal binary object serialization	repo · landing · docs

Wave 3 — collections, numerics, text & net

Module	Ruby	Description	Links
set	Set	unordered unique collection with full set algebra	repo · landing · docs
time	Time	Time extensions (parse/strptime/RFC formats)	repo · landing · docs
getoptlong	GetoptLong	GNU-style command-line option parsing	repo · landing · docs
scanf	scanf	formatted input scanning	repo · landing · docs
stringio	StringIO	in-memory string-backed IO	repo · landing · docs
abbrev	Abbrev	unambiguous abbreviation calculation	repo · landing · docs
tsort	TSort	topological sorting	repo · landing · docs
prime	Prime	prime generation and Baillie-PSW primality	repo · landing · docs
cgi	CGI	CGI escaping, cookies, and helpers	repo · landing · docs
zlib	Zlib	deflate/inflate/gzip plus CRC32/Adler32	repo · landing · docs
did-you-mean	DidYouMean	spelling suggestions for names	repo · landing · docs
ipaddr	IPAddr	IPv4/IPv6 address manipulation	repo · landing · docs
pathname	Pathname	filesystem-path objects	repo · landing · docs
rational	Rational	exact rational numbers	repo · landing · docs
prettyprint	PrettyPrint	Wadler pretty-printing engine	repo · landing · docs
unicode-normalize	unicode_normalize	Unicode normalization (NFC/NFD/NFKC/NFKD)	repo · landing · docs
cmath	CMath	complex-valued math functions	repo · landing · docs
matrix	Matrix	Matrix and Vector linear algebra	repo · landing · docs
complex	Complex	complex numbers	repo · landing · docs
resolv	Resolv	DNS resolution primitives	repo · landing · docs
rexml	REXML	XML DOM, parsing, serialization, XPath subset	repo · landing · docs

Wave 4 — utilities

Module	Ruby	Description	Links
logger	Logger	leveled logging	repo · landing · docs
base64	Base64	Base64 encode/decode (SIMD-accelerated)	repo · landing · docs
securerandom	SecureRandom	cryptographically-secure random values	repo · landing · docs
ostruct	OpenStruct	dynamic attribute objects	repo · landing · docs
benchmark	Benchmark	timing measurement	repo · landing · docs
pstore	PStore	transactional file-backed object store	repo · landing · docs
observer	Observable	publish/subscribe mixin	repo · landing · docs
find	Find	recursive directory traversal	repo · landing · docs