Sources of the conversion tables

unicode.org-mappings

The most official mappings. Were on ftp://ftp.unicode.org/Public/MAPPINGS/ but have been withdrawn since then (because the Unicode consortium doesn't want to be liable for the conversion problems that are due to vendor software).

csets-1.7

Mark Leisher's additional tables. Very high quality. Bug reports to: Mark Leisher <mleisher@crl.nmsu.edu>

csets-new, joke

Additions to Mark Leisher's tables. Bug reports to: <bruno@clisp.org>

yasuoka

Koichi Yasuoka's tables. http://www.kudpc.kyoto-u.ac.jp/~yasuoka/CJK.html

big5p

From CMEX's Big5+ distribution. Has lots of inconsistencies.

moztw.org

http://moztw.org/docs/big5/

adobe

Table of Postscript character names.

dkuug.dk

http://www.dkuug.dk/cultreg
ftp://dkuug.dk/cultreg/registrations/charmap/
ftp://dkuug.dk/i18n/WG15-collection/
Bug reports to: Keld Jørn Simonsen <keld@dkuug.dk>

whatwg

https://github.com/whatwg/encoding as of 2016-10-02

glibc-2.2-iconv, glibc-2.3.2-iconv, glibc-2.3.6-iconv, glibc-2.23-iconv

Generated from glibc-2.2 / glibc-2.3.2 / glibc-2.3.6 / glibc-2.23 (2016) 'iconv'. Very close to ftp://dkuug.dk/i18n/WG15-collection. High quality, mostly consistent with the official mappings. Bug reports to: Keld Jørn Simonsen <keld@dkuug.dk>, Ulrich Drepper <drepper@redhat.com>

glibc-2.2-charmaps, glibc-2.3.6-charmaps, glibc-2007-charmaps, glibc-2.23-charmaps

glibc's tables. High quality, mostly consistent with the official mappings. Bug reports to: Keld Jørn Simonsen <keld@dkuug.dk>, Ulrich Drepper <drepper@redhat.com>

libiconv-1.[012345678], libiconv-1.9.2, libiconv-1.10, libiconv-1.11, libiconv-1.14

Generated from GNU libiconv's 'iconv'. http://www.haible.de/bruno/packages-libiconv.html Bug reports to: Bruno Haible <bruno@clisp.org>

jdk-1.1.8

Generated from JDK 1.1.8.

jdk-1.3.1

Generated from JDK 1.3.1_16.

jdk-1.3.0beta

Generated from JDK 1.3.0beta, as modified by IBM. Single-byte encodings high quality, but CP874 is different. Multi-byte encodings frequently broken.

jdk-1.4.2

Generated from JDK 1.4.2_10.

jdk-1.5.0

Generated from JDK 1.5.0_06.

solaris-2.7

Generated from Solaris 2.7 'iconv'. Relatively good, but some tables are rather buggy.

solaris

From http://developers.sun.com/dev/gadc/technicalpublications/articles/gb18030.html.

osf1-5.1

Taken from OSF/1 (Tru64) 5.1.

hpux

Taken from HP-UX 10.

aix-4.3.2

Taken from AIX-4.3.2.

windows-2000

Taken from the IBM ICU charmap repository, in CVS. Based on a Windows COM service for charset conversion.

windows-xp

Taken from Windows XP SP1. Based on MultiByteToWideChar.

windows-2016

Taken from Windows 10 in October 2016. Based on MultiByteToWideChar.

microsoft-2005

From http://www.microsoft.com/globaldev/reference/ in December 2005.

clisp

Generated from CLISP on 1999-12-04. High quality, tries to be consistent with everything. Bug reports to: Bruno Haible <bruno@clisp.org>

icu-1.3.1

Generated from the data in IBM's ICU 1.3.1 package. Bug reports to: <icu4c@us.ibm.com>

icu-20000203

Generated from data provided by Helena Shih. Except where noted otherwise, identical to icu-1.3.1. Bug reports to: Helena Shih <hshih@us.ibm.com>

icu-1.7

Generated from the data in IBM's ICU 1.7 package. Bug reports to: <icu4c@us.ibm.com>

icu-2.2

Generated from the data in IBM's ICU 2.2 package.

icu-2.8

Generated from the data in IBM's ICU 2.8 package.

icu-3.4

Generated from the data in IBM's ICU 3.4 package.

mono-1.1.11

Generated from mono-1.1.11. Bug reports to: www.mono-project.com

freebsd-iconv-0.4

Generated from FreeBSD's iconv-0.4. Poor quality, some buggy mappings. Bug reports to: Konstantin Chuguev <joy@urc.ac.ru>

zos

Taken from z/OS.

Last modified: 19 January 2020.