edit Open Source Initiative (OSI)Free Software Foundation. The OSI maintains a list of licenses that qualify as being Open Source .
The OSI was founded by Bruce Perens and Eric S. Raymond after the Netscape web browser was made open source. Netscape was opened in a attempt to regain market share taken by the proprietary Internet Explorer browser. . Netscape was opened in part because of Eric S. Raymond's book "The Cathedral and the Bazaar"   Raymond was president from its founding until February 2005; Russ Nelson replaced him a month, but after controversy he resigned and Michael Tiemann became interim president. 
edit Open Source
This section has been rewritten from OpenSource.org's history:
The 'open source' label was invented at a strategy session held on February 3rd, 1998 in Palo Alto, California. The people present included Todd Anderson, Chris Peterson, John Hall and Larry Augustin, Sam Ockman, Michael Tiemann, and Eric Raymond.
The conferees decided it was time to dump the moralizing and confrontational attitude that had been associated with "free software" in the past and sell the idea strictly on the same pragmatic, business-case grounds that had motivated Netscape. They brainstormed about tactics and a new label. "Open source", contributed by Chris Peterson, was the best thing they came up with.
Critics of open source cite the need for direct compensation for the work of creation. Building a complex piece of software can take a substantial number of person-hours. Retaining intellectual property rights over such works greatly increases the feasibility of obtaining financial compensation which covers the labor costs. : Proponents argue that without this compensation, many socially desirable and useful works would never be created in the first place. Some critics draw distinctions between areas where open source collaborations have successfully created useful products, such as general-purpose software, and areas where they see compensation as more important and collaboration as less important, such as highly specialized complex software projects.
The Free Software Foundation (FSF) opposes the term "open source" and the professed pragmatism of the open source movement, as they fear that the free software ideals of freedom and community are threatened by compromising on the FSF's idealistic standards for software freedom
edit The Open Source Definition
Open source doesn't just mean access to the source code. The distribution terms of open-source software must comply with the following criteria:
1. Free Redistribution
- The license shall not restrict any party from selling or giving away the software as a component of an aggregate software distribution containing programs from several different sources. The license shall not require a royalty or other fee for such sale.
2. Source Code
- The program must include source code, and must allow distribution in source code as well as compiled form. Where some form of a product is not distributed with source code, there must be a well-publicized means of obtaining the source code for no more than a reasonable reproduction cost preferably, downloading via the Internet without charge. The source code must be the preferred form in which a programmer would modify the program. Deliberately obfuscated source code is not allowed. Intermediate forms such as the output of a preprocessor or translator are not allowed.
3. Derived Works
- The license must allow modifications and derived works, and must allow them to be distributed under the same terms as the license of the original software.
4. Integrity of The Author's Source Code
- The license may restrict source-code from being distributed in modified form only if the license allows the distribution of "patch files" with the source code for the purpose of modifying the program at build time. The license must explicitly permit distribution of software built from modified source code. The license may require derived works to carry a different name or version number from the original software.
5. No Discrimination Against Persons or Groups
- The license must not discriminate against any person or group of persons.
6. No Discrimination Against Fields of Endeavor
- The license must not restrict anyone from making use of the program in a specific field of endeavor. For example, it may not restrict the program from being used in a business, or from being used for genetic research.
7. Distribution of License
- The rights attached to the program must apply to all to whom the program is redistributed without the need for execution of an additional license by those parties.
8. License Must Not Be Specific to a Product
- The rights attached to the program must not depend on the program's being part of a particular software distribution. If the program is extracted from that distribution and used or distributed within the terms of the program's license, all parties to whom the program is redistributed should have the same rights as those that are granted in conjunction with the original software distribution.
9. License Must Not Restrict Other Software
- The license must not place restrictions on other software that is distributed along with the licensed software. For example, the license must not insist that all other programs distributed on the same medium must be open-source software.
10. License Must Be Technology-Neutral
- No provision of the license may be predicated on any individual technology or style of interface.
- Software in the Public Interest
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edit Related Domains
edit External Links
- Alexa: OpenSource.org
edit AboutUs Featured Wiki Page
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Featured Text -- The AboutUs community has a lot to celebrate in the open source movement. Not only is our content freely available under a couple of different open source licenses (GNU's GFDL and CreativeCommons' by-sa), but much of the software we use daily (including the MediaWiki software that AboutUs is built on, as well as Colloquy -- our favorite IRC chat-client) are distributed as open source. So it goes without saying that we appreciate the work of organizations like the Open Source Initiative/OpenSource.org which is the "steward" of the "Open Source Definition (OSD)" -- ten principles for distribution of open source software. The Open Source Initiative also is the community-recognized body for reviewing and approving licenses as being "OSD-conformant".
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Home Page Analysis
The Home Page Analysis helps you understand how a site's home page appears to both search engines and site visitors.
OpenSource.org Home Page Analysis Summary
Titles & Headings
The title and headings on the home page tell people and search
engines what a website is about.
Analyze the title & headings of the home page for free or the entire site.
Links & Images
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visitors and search engines.
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Search Engine Friendliness
A few simple technical fixes can make any site show up better in
The title of a web page appears in search results as the link to that page. Learn more ...
The title of a web page appears as a clickable link in search results and bookmarks. A descriptive, compelling home page title with relevant keywords can increase the number of people visiting the site.
Search engines view the text of the title tag as a strong indication of what the page is about. Accurate keywords in the title tag can help the page rank better in search results.
A title tag should have fewer than 70 characters, including spaces. Major search engines won't display more than that.
The title tag of your home page (and any other page on your site) should not contain the site’s domain name or URL. These will appear near the title in search results, so use your 70 characters to tell people what the page is about. The title tag should not contain any HTML, because it will be displayed incorrectly or not at all.
- Good: This web page has a title tag.
- Good: The title tag is a good length.
- The title of this site's home page:
- “Mission | Open Source Initiative”
The H1 heading is an important sentence or phrase on a web page that quickly and clearly tells people and search engines what they can expect to find there. Learn more ...
Just one H1
In most cases, a web page should have just one H1 heading. Using multiple H1 headings is okay if that is a logical way to organize the page, but they should be used sparingly. That’s because search engines can view multiple H1 headings as an attempt to signal that all the content on a page is equally important, a tactic that’s seen as an attempt to game the search engine algorithms.
Search engines look for an H1 heading to determine what a page is about. Human visitors do, too.
Content and placement
The H1 heading appears on the web page itself, unlike the page title, which people will see mostly in search results.
The H1 tag (which contains the H1 heading) is usually listed first among the other heading tags for a page. None of the major search engines, however, will penalize a site for listing H2 through H6 tags ahead of the H1 tag.
- Warning: This page has more than one H1 heading. It should have just one.
- Warning: The H1 heading contains an image. It should contain only text.
- H1 headings for this site's home page:
- “Open Source Initiative”
- “The Latest From OSI...”
Your website's robots.txt file can tell search engines to ignore parts of your site. Learn more ...
Website owners usually use robots.txt to let search engines know which pages or sections of their site shouldn't be indexed for example, web contact forms, print versions of web pages and other content that's duplicated elsewhere on the site. Robots.txt can also be used to request that specific robots not index a site. For more information, read How To Use Robots.txt.
Search engine robots
You'll need to know the names of specific search engine robots - or "bots" – if you’re going to exclude any or all of them from any part of your site.
- Google’s bot is called Googlebot. Google is the world’s largest search engine, and is where many people discover new websites.
- Bing’s bot is called msnbot. Bing also provides search results to people using Yahoo to search the Web. Together, Bing and Yahoo are the second largest search resource, after Google.
- Baidu’s bot is called Baiduspider. Baidu is a major search engine in China, and the number of people using it is increasing rapidly.
- AboutUs.org’s bot is called AboutUsBot. To create a Site Report, AboutUs uses crawling technology that’s similar to what search engines use.
- Good: This website’s robots.txt file is not blocking major search engines from crawling its pages. Your website can appear in any engine’s search results.
This website can live at www.OpenSource.org or OpenSource.org. It's best for your site's visibility to live at just one URL, or web address. You'll want to create a 301 redirect to the URL you choose from the other URL. Learn more ...
Choose one or the other
If the same web page exists at two different URLs, people can choose to link to one or the other. Links from other sites to your website are valuable — they tell search engines that your site is important to people. By splitting valuable links between two identical pages, you're diluting the power of those links to help a page rank higher in search results.
Learn more about why you should have just one home page: Read Twin Home Pages: Classic SEO Mistake
- Problem: Your website resides at both www.OpenSource.org and OpenSource.org. You should permanently redirect one to the other, using a 301 redirect.
Search Engine Visibility
Check this site's prominence around the web and in major search engines.
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Social Media Visibility
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Below we show domains that redirect to OpenSource.org.
We survey every domain on the Internet ending in .com, .net, or .edu to see if any redirect to this website. Large or famous websites like Amazon.com often have many sites redirecting to them.
Domains that redirect to the home page of OpenSource.org
Capture visitors who type the wrong name
It can make a lot of sense to redirect a domain to an existing web page. For example, many people are likely to type wikipedia.com when they are really looking for wikipedia.org. Creating a redirect from wikipedia.com to wikipedia.org helps these people get to the site they want.
We have not found any domains that redirect to the home page of OpenSource.org.
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