IETF
W3C
ECMA
IEEE
ISO
ANSI
ITU
OSGi
The Open Group
WHATWG
todo: go back and eliminate from this list those groups that only allow governments and corporations to be members
http://www.scheme-reports.org/
common lisp (ANSI)
java http://www.jcp.org/en/home/index
C (used to be ANSI, now ISO)
C++ (ISO)
haskell http://ghc.haskell.org/trac/haskell-prime/wiki/Process
http://ghc.haskell.org/trac/haskell-prime/wiki/Committee
javascript ECMA http://wiki.ecmascript.org/doku.php
PHP: http://web.archive.org/web/20131010061918/https://wiki.php.net/rfc/voting http://web.archive.org/web/20130414184934/https://wiki.php.net/rfc/voting_who
SQL ANSI/ISO
C#: ECMA, ISO
(note however that many others started out with dictatorial processes; all of the above excepting common lisp and haskell)
python PEPs
Go, Ruby, Lua: afaict no community process
http://hueniverse.com/2012/07/oauth-2-0-and-the-road-to-hell/
http://wiki.whatwg.org/wiki/FAQ#The_WHATWG_Process
" People send e-mail to the mailing list. The editor then reads that feedback and, taking it into account along with research, studies, and feedback from many other sources (blogs, forums, IRC, etc) makes language design decisions intended to address everyone's needs as well as possible while keeping the language consistent....This is not a consensus-based approach -- there's no guarantee that everyone will be happy! There is also no voting.
There is a small oversight committee (known as the "WHATWG members", see the charter) who have the authority to override or replace the editor if he starts making bad decisions.
Currently the editor is Ian Hickson. "
http://www.whatwg.org/charter " Membership
Anyone can contribute by subscribing to the mailing list. The list of subscribers to the mailing list are termed the contributors.
Membership is by invitation only, and consists of a number of representatives from various browser manufacturers. This group, which is referred to as the members, will provide overall guidance as described in the charter above. The members currently consists of:
Anne van Kesteren Brendan Eich David Baron David Hyatt Dean Edwards HÃ¥kon Wium Lie Ian Hickson Johnny Stenback Maciej Stachowiak"
https://en.wikipedia.org/wiki/Web_standards