Off-the-Record (OTR) Messaging allows you to have private conversations over instant messaging by providing:
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
2026 January 15: Plato and the Lunar Alps. 2026 January 14: M51: The Whirlpool Galaxy. 2026 January 13: A Solar Eruption from SDO. NASA (.gov) Astronomy Picture of the Day Calendar - NASA
To combat heavy traffic and make the cosmos accessible globally, the site is translated into over 20 languages through worldwide volunteer mirrors. Cultural Impact and Astrophotography Community
The resource has also been used in university settings as a capstone project to combat plagiarism. In some courses, students are assigned three APOD images and tasked with creatively explaining the science to a general audience, fostering deeper understanding and engagement. apodnasagov
Because the site is so minimal, the image itself is often not the largest thing on the page (until you click the link for the hi-res version). Modern screens are huge, and the default image size can sometimes feel small unless you have the direct link.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Milky way Above the Himalayas near Bimtang Lake Pic Cr
It serves as a platform to debut images from new missions like the James Webb Space Telescope. How to Navigate apod.nasa.gov This public link is valid for 7 days
: A concise explanation written by professional astronomers that provides scientific context for the featured object or phenomenon.
Over the years, APOD has become one of the most popular science websites in the world, often receiving millions of hits daily. Its longevity is a testament to its simple, effective format—an image, a link to a higher-resolution version, and a paragraph of context 1.2.1. How APOD Selects Images
Decoding : Understanding the Myth, the Term, and the Mystery Can’t copy the link right now
Her breath fogged the screen. She wiped it clean and switched to the radio telescope data, which she had to pirate from a defunct university array in Chile. The spectrogram was screaming.
In an age of information overload, finding a single, reliable source of daily wonder can be difficult. Yet, for nearly three decades, one website has delivered a stunning, cosmic postcard to your screen every single morning: .
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.
This software is no longer supported. Please use an IM client with native support for OTR.
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.
Is your question not here? Ask on the otr-users mailing list!
