Off-the-Record (OTR) Messaging allows you to have private conversations over instant messaging by providing:
: Because the site aggregates adult and NSFW (Not Safe For Work) content, it is frequently included in "porn blocker" lists and restricted by corporate or parental filters.
The site acts as a centralized hub for specific niche content, offering the following tools:
(primarily found at jpg4us.net and jpg4.us ) is a Japanese-focused media aggregation and image search engine. The platform is primarily used for finding and viewing photography, video information, and graphic content related to Japanese entertainment, including gravure, idols, and adult media. Core Functions and Features
: As of March 2026, the jpg4us.net domain received approximately 1.09 million visits per month.
: A specialized engine for locating specific sets of photos and galleries across various sub-domains.
: Content is typically categorized into labels such as "idols" (Japanese pop stars), "gravure" (bikini and lingerie modeling), and adult video (AV) information.
This is the portable OTR Messaging Library, as well as the toolkit to help you forge messages. You need this library in order to use the other OTR software on this page. [Note that some binary packages, particularly Windows, do not have a separate library package, but just include the library and toolkit in the packages below.] The current version is 4.1.1.
UPGRADING from version 3.2.x
This is the Java version of the OTR library. This is for developers of Java applications that want to add support for OTR. End users do not require this package. It's still early days, but you can download java-otr version 0.1.0 (sig).
This is a plugin for Pidgin 2.x which implements Off-the-Record Messaging over any IM network Pidgin supports. The current version is 4.0.2. jpg4us
This software is no longer supported. Please use an IM client with native support for OTR. : Because the site aggregates adult and NSFW
This is a localhost proxy you can use with almost any AIM client in order to participate in Off-the-Record conversations. The current version is 0.3.1, which means it's still a long way from done. Read the README file carefully. Some things it's still missing:
You can find a git repository of the OTR source code, as well as the bugtracker, on the otr.im community development site:
If you use OTR software, you should join at least the otr-announce mailing list, and possibly otr-users (for users of OTR software) or otr-dev (for developers of OTR software) as well.
pidgin-otr
tutorial from the Security-in-a-Box project
Video OTR tutorial (by Niels)
Adium, Pidgin & OTR (auf Deutsch, by Christian Franke)
Miranda, Pidgin, Kopete & OTR (auf Deutsch, by Missi)
Adium X with OTR
OTR proxy on Mac OS X
pidgin-otr on gentoo (from "X")
gaim-otr on Debian unstable (from Adam Zimmerman)
gaim-otr on Windows (from Adam Zimmerman)
gaim-otr 3.0.0 on Ubuntu (from Adam Zimmerman). Note that Ubuntu breezy has gaim-otr 2.0.2 in it, and
all you should have to do is "apt-get install gaim-otr".
We would greatly appreciate instructions and screenshots for other platforms!
Here are some documents and papers describing OTR. The CodeCon presentation is quite useful to get started.
: Because the site aggregates adult and NSFW (Not Safe For Work) content, it is frequently included in "porn blocker" lists and restricted by corporate or parental filters.
The site acts as a centralized hub for specific niche content, offering the following tools:
(primarily found at jpg4us.net and jpg4.us ) is a Japanese-focused media aggregation and image search engine. The platform is primarily used for finding and viewing photography, video information, and graphic content related to Japanese entertainment, including gravure, idols, and adult media. Core Functions and Features
: As of March 2026, the jpg4us.net domain received approximately 1.09 million visits per month.
: A specialized engine for locating specific sets of photos and galleries across various sub-domains.
: Content is typically categorized into labels such as "idols" (Japanese pop stars), "gravure" (bikini and lingerie modeling), and adult video (AV) information.
