The following list might be incomplete. Feel free to add your name if your patch was accepted into Ruby.
Ayumu AIZAWA (ayumin)
committer
AKIYOSHI, Masamichi (akiyoshi)
committer
He had maintained the VMS support on 2003-2004.
Muhammad Ali
wrote rdoc for Fiber
Minero Aoki (aamine)
committer
He is the maintainer of:
fileutils
net/http, net/https
net/pop
net/smtp
racc
ripper
strscan
Wakou Aoyama (wakou)
committer
He was the maintainer of some standard libraries.
Koji Arai
committer
arton
He is the distributor of ActiveScriptRuby and experimental 1.9.0-x installers for win32.
Wrote patches for win32ole, gc.c, tmpdir.rb
Sergey Avseyev
Daniel Berger
a patch for irb
documentation
He wrote forwardable.rb
David Black (dblack)
committer
He is the maintainer of scanf
Ken Bloom
a patch for REXML.
Oliver M. Bolzer
a patch for soap
Alexey Borzenkov
a patch for mkmf.rb
Evan Brodie
a patch for documentation of Float#round
Richard Brown
a patch for configure.in
Dirkjan Bussink
a patch for date.rb
Daniel Bovensiepen
documentation
a patch for irb
Brian Candler
a patch for configure.in, net/telnet
keith cascio
a patch for optparse.rb
Frederick Cheung
a patch for test/ruby/test_symbol.rb
Christoph
patches for set.rb
Sean Chittenden
pathces for net/http, cgi
William D. Clinger
ruby_strtod is based on his paper.
Ryan Davis (ryan)
committer
He wrote and is the maintainer of miniunit
Guy Decoux (ts)
committer
Zach Dennis
Martin Duerst (duerst)
committer
M17N
Paul Duncan
pathces for rdoc
Alexander Dymo
a patch for lib/benchmark.rb
Yusuke Endoh (mame)
committer
He wrote and is the maintainer of base64 library (1.9)
did much upon YARV compiler.
erlercw
wrote Integer::gcd2
Frank S.Fejes
a patch for net/pop
Fundakowski Feldman
a patch for process.c
Mauricio Fernandez
patches for parse.y
David Flanagan (davidflanagan)
committer
M17N
Takeyuki Fujioka (xibbar)
committer
He is the maintainer of cgi/*
FUKUMOTO, Atsushi
a patch for tracer.rb
Shota Fukumori (sorah)
committer
#4415 parallel unit/test
Tadayoshi Funaba (tadf)
committer
He wrote and is the maintainer of
date
parsedate (1.8)
He ported rational.rb and complex.rb, which 1.8 contains, into rational.c and complex.c of 1.9.
David M. Gay
ruby_strtod
Florian Gilcher
documentation
GOTOU, Kentaro (gotoken)
committer
He wrote benchmark.rb
He is the maintainer of:
benchmark.rb
open3
GOTOU, Yuuzou (gotoyuzo)
committer
James Edward Gray II (jeg2)
committer
He wrote the faster implementation of CSV and is the maintainer of csv.
Wrote documentation for rdoc
Phil Hagelberg
patch for ruby-mode.el's documentation.
Kirk Haines (wyhaines)
committer
the maintainer of ruby_1_8_6 branch
Shinichiro Hamaji
fixed memory leaks (marshal.c, string.c)
Shin-ichiro HARA
the developer and the sysop of ruby-{dev,list,core,talk} archive.
a patch for numeric.c
Chris Heath (traumdeutung)
a patch for proc.c
HIROKAWA Hisashi
fixed socket/socket.c
Daniel Hob
He wrote:
SMTP-TLS support for net/smtp.
POP3S support
Eric Hodel (drbrain)
committer
He is the maintainer of:
rdoc
ri
rubygems
Erik Hollensbe
a patch for delegate.rb
Johan Holmberg
a patch for dir.c
documentation
Erik Huelsmann
Dae San Hwang
built a continuous integration environment on OpenSolaris.
Nobuhiro IMAI
a patch for logger.rb
“incorporate”
a patch for sprintf.c
Keiju Ishitsuka (keiju)
committer
He wrote and is the maintainer of:
cmath.rb (1.9)
complex.rb (1.8)
e2mmap.rb
forwardable.rb
irb
mathn
matrix.rb
mutex_m.rb
rational.rb (1.8)
sync.rb
shell/*
thwait.rb
tracer.rb
Curtis Jackson
missing/dup2.c
Alan Johnson
a patch for net/ftp
Lyle Johnson
patches for nkf, bigdecimal, numeric.c
Yoshihiro Kambayashi
a patch for enc/trans/single_byte.trans.
He wrote supports for some encodings.
Yutaka Kanemoto
patches for common.mk, AIX AF_INET6 support
Motoyuki Kasahara
He wrote getoptlong.rb
Masahiro Kawato
a patch for shellwords.rb
Wataru Kimura
a patch for configure.in
Michael Klishin
patch for make help.
Noritada Kobayashi
a patch for optparse.rb
Shigeo Kobayashi (shigek)
committer
He is the maintainer of bigdecimal
KONISHI, Hiromasa (H_Konishi)
committer
He had maintained the bcc32 support in 2004.
Kornelius “murphy” Kalnbach
documentation
K.Kosako (kosako)
committer
He wrote Oniguruma.
Takehiro Kubo
patches for dl 64bit support.
Marc-Andre Lafortune (marcandre)
committer
patches for hash.c, array.c, thread.c, enumc, string.c, range.c and rdoc documentation.
Hongli Lai
improved pstore.rb
patch for tool/file2lastrev.rb.
raspberry lemon
a patch for webrick/httpproxy.rb.
Christian Loew
a patch for fileutils.rb
Shugo Maeda (shugo)
committer
A system administrator of ruby-lang.org servers.
He wrote and is the maintainer of:
monitor.rb
net/ftp
net/imap
Stephan Maka (mathew)
documentation
Yukihiro Matsumoto (matz)
Matz – the founder, language designer of Ruby.
committer
Ruby itself, most of Ruby.
He is the maintainer of:
singleton
timeout
gdbm
sdbm
Konrad Meyer
documentation
Mib Software
missing/vsnprintf.c
Todd C. Miller
missing/strlcat.c
missing/strlcpy.c
MIYASAKA, Masaru
a patch for cgi.rb
Stefan Monnier
regex.c was fixed with based on his Emacs21 patch.
Marcel Moolenaar
patches for eval.c and gc.c.
moonwolf
a patch for REXML, xmlrpc
Hiroshi Moriyama
a patch for yaml.
Kyosuke Morohashi
a patch for gem_prelude.rb
Kenta Murata
patches for json, bignum.c
Akinori MUSHA (knu)
committer
He wrote and is the maintainer of:
abbrev.rb
generator (1.8)
enumerator (1.8)
set
ipaddr.rb
digest/*
syslog
He is the branch maintainer of ruby_1_8, the release manager of 1.8 series.
Hidetoshi NAGAI (nagai)
committer
He is the maintainer of tk/*
Nobuyoshi Nakada (nobu)
committer
a.k.a. the “patch monster”
He wrote and is the maintainer of:
optparse
stringio
io/wait
iconv
Satoshi Nakagawa
patches for util.c
Narihiro Nakamura (nari)
committer
a.k.a. authorNari
working at GC
NAKAMURA, Hiroshi (nahi)
committer
He is the maintainer of:
csv.rb (1.8)
logger.rb
soap/* (1.8)
wsdl/* (1.8)
xsd/* (1.8)
NAKAMURA, Usaku (usa)
committer
a.k.a. unak
He is the maintainer of mswin32 and mswin64 support.
NARUSE, Yui (naruse)
committer
a.k.a. “nurse”
Did much upon m17n.
He is the maintainer of:
json
nkf
Christian Neukirchen
a patch for webrick/httputils
Michael Neumann (mneumann)
committer
He is the maintainer of
xmlrpc (1.8)
gserver (1.8)
NISHIO Hirokazu
wrote a patch for CVE-2010-0541
Kazuhiro NISHIYAMA (kazu)
committer
a.k.a. znz
Go Noguchi
Martin Nordholts
misc/rdebug.el
nmu
a patch for socket
okkez
He is a sysop of the Ruby Reference Manual Renewal Project.
fixed ipaddr.rb, ext/etc
Haruhiko Okumura
some of missing/* is based on his book:
missing/erf.c
missing/lgamma_r.c
missing/tgamma.c
OMAE, jun
a patch for debug.rb
Eugene Ossintsev
documentation
Heesob Park
a patch for win32/win32.c.
pegacorn
a patch for instruby.rb
Gaston Ramos
documentation
The Regents of the University of California
missing/crypt.c
missing/vsnprintf.c
Sam Roberts
patch for socket
documentation
Michal Rokos (michal)
committer
He was the maintainer of DJGPP support.
rubikitch
a patch for io.c
Marcus Rueckert
a patch for mkconfig.rb.
Run Paint Run Run
patch for enc/unicode.c
documentation
Sean Russell (ser)
committer
He wrote and is the maintainer of REXML.
Kazuo Saito (ksaito)
committer
M17N
Tadashi Saito
patches for test/ruby/test_math.rb, thread_*.c, bignum.c
working upon BigDecimal.
did much upon documentation
Masahiro Sakai
a patch for io.c
Laurent Sansonetti
a patch for tool/ytab.sed
Jeff Saracco
documentation
Koichi Sasada (ko1)
committer
He wrote YARV.
Hugh Sasse
a patch for net/http
documentation
Charlie Savage
a patch for win32/Makefile.sub
Michael Scholz
a patch for ruby-mode.el
Arthur Schreiber
patch for net/http and rdoc.
Masatoshi SEKI (seki)
committer
He wrote and is the maintainer of:
drb/*
erb
rinda
Roman Shterenzon
a patch for open-uri.
Kent Sibilev
Gavin Sinclair (gsinclair)
committer
John W. Small
He wrote gserver.rb
Yuki Sonoda (yugui)
committer
She is the maintainer of man/* manual pages and is the release manager of 1.9 series.
She wrote prime.rb.
A developer and a sysop of redmine.ruby-lang.org.
SOUMA, Yutaka
a patch for pack.c.
Tatsuki Sugiura
WebDAV support for net/http
Masaki Suketa (suke)
committer
He is the maintainer of win32ole
sheepman
patches for ruby.c, thread.c, stringio, enum.c, webrick, net/http
Siena. (siena)
committer
Kirill A. Shutemov
a patch for parse.y
Darren Smith
a patch for golf_prelude.rb
Richard M. Stallman
missing/alloca.c
Robin Stocker
documentation
Joshua Stowers
a patch for array.c
Marcus Stollsteimer (stomar)
committer
a maintainer of www.ruby-lang.org
patches for cgi (HTML5 tag maker), numeric.c, bigdecimal, ostruct.rb, prime.rb, and others
documentation
Adam Strzelecki
a patch for compile.c
Masashi Sumi
improved net/pop.rb
Eric Sunshine
NeXT OpenStep, Rhapsody support
Kouhei Sutou (kou)
committer
He wrote and is the maintainer of rss/*
David Symonds
documentation
TAKANO Mitsuhiro (takano32)
committer
He is the maintainer of IA-64 support.
BigDecimal
TAKAO, Kouji (kouji)
committer
He is the maintainer of readline.
Nathaniel Talbott (ntalbott)
committer
He was the maintainer of test/unit, runit, rubyunit.
TANAKA, Akira (akr)
committer
Did much upon m17n.
And he is the maintainer of:
open-uri
pathname
pp
resolv-replace
resolv
time
tsort
Takaaki Tateishi (ttate)
committer
He was the maintainer of dl
Technorama Ltd. (technoroma)
committer
openssl
Andrew Thompson
a patch for socket.c IRIX support.
Dave Thomas (dave)
committer
a.k.a. the Pragmatic Programmer.
He wrote rdoc.
Tietew
patches for win32 support
Masahiro Tomita
a patch for cgi.rb
Jakub Travnik
a patch for eval.c
Tom Truscott
missing/crypt.c
UEDA, Satoshi
a patch for uri
Takaaki Uematsu (uema2)
committer
He was the maintainer of WinCE support.
UENO, Katsuhiro (katsu)
committer
He is the maintainer of zlib
Hajimu UMEMOTO
He wrote ipaddr.rb
URABE, Shyouhei (shyouhei)
committer
a.k.a. mput.
He is the branch maintainer of ruby_1_8_6 and ruby_1_8_7
and is the release manager of 1.8.x-pXXX.
Joel VanderWerf
a patch for numeric.c
Peter Vanbroekhoven
Corinna Vinschen
wanabe (wanabe)
committer
fixed YARV and Oniguruma.
Chun Wang
a patch for time.rb
WATANABE, Hirofumi (eban)
committer
He is the maintainer of
ftools (1.8)
tmpdir
un
Win32API
WATANABE, Tetsuya
a patch for ruby.c
William Webber (wew)
committer
Jim Weirich (jim)
committer
He wrote Rake.
Nathan Weizenbaum
fixed misc/ruby-mode.el.
why the lukky stiff (why)
committer
He is the maintainer of syck
Caley Woods
documentation
Gary Wright
documentation
Akira Yamada (akira)
committer
He is the maintainer of ruby related packages at Debian project.
Keita Yamaguchi
patches for enum.c, parse.y
documentation
Hirokazu Yamamoto (ocean)
committer
Hirotaka Yoshioka
a patch for improving SEGV handling
Aristarkh A Zagorodnikov
a patch for io.c
Alexander Zavorine
committer
He is the maintainer for Symbian OS.
Chiyuan Zhang
a patch for misc/ruby-mode.el.
Dee Zsombor (zunda)
a patch for thread_pthread.c
Dan Zwell
a patch for net/pop