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NaviServer
NaviServer is a high performance web server written in C and Tcl. It can be easily extended in either language to create web sites and services; there are over 35 modules available (including database integration or protocol support for UDP, SMTP, LDAP, DNS, COAP, etc.) The project is under active development, NaviServer is mostly written in C with a very well-commented source code, had more than 6,000 commits made by 35 contributors representing more than 100,000 lines of code. NaviServer is licensed under the terms of the Mozilla Public License (MPL). Recent new features include: * an internal watchdog for automatic server restarts * server internals exposed in a command line mode * thread shared arrays (atomic operations, dict support) * built-in caching with cache transaction semantics (cache commit/rollback) * hot code swapping (update code in the running system without server restart) * asynchronous spooling of requests and replies * delivery of static files optionally ...
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AOLserver
AOLserver is AOL's open source web server. AOLserver is multithreaded, Tcl-enabled, and used for large scale, dynamic web sites. AOLserver is distributed under the Mozilla Public License. AOLserver was originally developed by NaviSoft under the name "NaviServer", but changed names when AOL bought the company in 1995. Philip Greenspun convinced America Online to open-source the program in 1999. AOLserver was the first HTTP server program to combine multithreading, a built-in scripting language, and the pooling of persistent database connections. For database-backed Web sites, this enabled performance improvements of 100× compared to the standard practices at the time of CGI scripts that opened fresh database connections on every page load. Eventually other HTTP server programs were able to achieve similar performance with a similar architecture. AOLserver is a key component in the Open Architecture Community System (OpenACS) which is an advanced open-source toolkit for ...
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NaviSoft
NaviSoft was a web server, web publishing and web hosting company based in the United States that was the first company to offer an integrated solution that combined a high-performance programmable web server, NaviServer, with a WYSIWYG HTML authoring tool, NaviPress, and a public web site for hosting published pages, public.navisoft.com. NaviSoft was acquired by AOL on November 30, 1994. Under AOL, the products and hosting service were rebranded AOLpress, AOLserver, and AOL PrimeHost, and AOL continued to offer those products and services through AOL's Internet Services Company. In 1995, AOL also acquired the Global Network Navigator (GNN) and offered NaviSoft's products under the GNN brand. as well. AOL eventually stopped offering the WYSIWYG HTML authoring tool and web hosting services, but they continued to use AOLServer internally to run AOL's web services. In 1999, AOL released the source code to AOLServer as open-source under the GNU or AOLServer Public License. A friendly f ...
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Brotli
Brotli is a lossless data compression algorithm developed by Jyrki Alakuijala and Zoltán Szabadka. It uses a combination of the general-purpose LZ77 lossless compression algorithm, Huffman coding and 2nd-order context modelling. Brotli is primarily used by web servers and content delivery networks to compress HTTP content, making internet websites load faster. A successor to gzip, it is supported by all major web browsers and has become increasingly popular, as it provides better compression than gzip. History Google employees Jyrki Alakuijala and Zoltán Szabadka initially developed Brotli in 2013 to decrease the size of transmissions of WOFF web font. Alakuijala and Szabadka completed the Brotli specification during 20132016. The specification was accompanied with a reference implementation developed by two additional authors, Evgenii Kliuchnikov and Lode Vandevenne, who had previously developed Google's zopfli implementation of deflate and gzip compatible compres ...
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ArsDigita Community System
The ArsDigita Community System (ACS) was an open source toolkit for developing community web applications developed primarily by developers associated with ArsDigita Corporation. It was licensed under the terms of the GNU GPL, and is one of the most famous products to be based completely on AOLserver. Although there were several forks of the project, the only one that is still actively maintained is OpenACS. Features of ACS included a core set of APIs, datamodels, and database routines for coordinating information common to all community web applications, as well as modules such as workflow management, CMS, messaging, bug/issue tracking, project tracking, e-commerce, and bboards. History ACS was built in the mid-1990s to support the photo.net online community as well as a variety of Internet services from Hearst Corporation. Its creator, ArsDigita, was founded in 1997 by developers such as Philip Greenspun. The initial developers included Tracy Adams, Ben Adida, Eve Andersson, ...
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Mozilla Public License
The Mozilla Public License (MPL) is a free and open-source weak copyleft license for most Mozilla Foundation software such as Firefox and Thunderbird. The MPL is developed and maintained by Mozilla, which seeks to balance the concerns of both open-source and proprietary developers. It is distinguished from others as a middle ground between the permissive software BSD-style licenses and the GNU General Public License. As such, it allows the integration of MPL-licensed code into proprietary codebases, as long as the MPL-licensed components remain accessible under the terms of the MPL. MPL has been used by others, such as Adobe to license their Flex product line, and The Document Foundation to license LibreOffice 4.0 (also on LGPL 3+). Version 1.1 was adapted by several projects to form derivative licenses like Sun Microsystems' Common Development and Distribution License. It has undergone two revisions: the minor update 1.1, and a major update version 2.0 nearing the ...
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OCSP Stapling
The Online Certificate Status Protocol (OCSP) stapling, formally known as the TLS Certificate Status Request extension, is a standard for checking the revocation status of X.509 digital certificates. It allows the presenter of a certificate to bear the resource cost involved in providing Online Certificate Status Protocol (OCSP) responses by appending ("stapling") a time-stamped OCSP response signed by the CA (certificate authority) to the initial TLS handshake, eliminating the need for clients to contact the CA, with the aim of improving both security and performance. Motivation The original OCSP implementation has a number of issues. Firstly, it can introduce a significant cost for the certificate authorities (CA) because it requires them to provide responses to every client of a given certificate in real time. For example, when a certificate is issued to a high traffic website, the servers of CAs are likely to be hit by enormous volumes of OCSP requests querying the val ...
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Mozilla
Mozilla is a free software community founded in 1998 by members of Netscape. The Mozilla community uses, develops, publishes and supports Mozilla products, thereby promoting free software and open standards. The community is supported institutionally by the Nonprofit organization, non-profit Mozilla Foundation and its tax-paying subsidiary, the Mozilla Corporation. List of Mozilla products, Mozilla's current products include the Firefox web browser, Mozilla Thunderbird, Thunderbird e-mail client (now through a subsidiary), the Bugzilla bug tracking system, the Gecko (software), Gecko layout engine, and the Pocket (service), Pocket "read-it-later-online" service. History On January 23, 1998, Netscape announced that its Netscape Communicator browser software would be free, and that its source code would also be free. One day later, Jamie Zawinski of Netscape registered . The project took its name, "Mozilla", from the original code name of the Netscape Navigator browser—a por ...
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Asynchronous I/O
In computer science, asynchronous I/O (also non-sequential I/O) is a form of input/output processing that permits other processing to continue before the I/O operation has finished. A name used for asynchronous I/O in the Windows API is '' overlapped I/O''. Input and output (I/O) operations on a computer can be extremely slow compared to the processing of data. An I/O device can incorporate mechanical devices that must physically move, such as a hard drive seeking a track to read or write; this is often orders of magnitude slower than the switching of electric current. For example, during a disk operation that takes ten milliseconds to perform, a processor that is clocked at one gigahertz The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), often described as being equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose formal expression in terms of SI base un ... could have performed ten million instruct ...
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Fork (software Development)
In software development, a fork is a codebase that is created by duplicating an existing codebase and, generally, is subsequently modified independently of the original. Software built from a fork initially has identical behavior as software built from the original code, but as the source code is increasingly modified, the resulting software tends to have increasingly different behavior compared to the original. A fork is a form of branching, but generally involves storing the forked files separately from the original; not in the repository. Reasons for forking a codebase include user preference, stagnated or discontinued development of the original software or a schism in the developer community. Forking proprietary software (such as Unix) is prohibited by copyright law without explicit permission, but free and open-source software, by definition, may be forked without permission. Etymology The word ''fork'' has been used to mean "to divide in branches, go separate ...
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Open-source Software
Open-source software (OSS) is Software, computer software that is released under a Open-source license, license in which the copyright holder grants users the rights to use, study, change, and Software distribution, distribute the software and its source code to anyone and for any purpose. Open-source software may be developed in a collaborative, public manner. Open-source software is a prominent example of open collaboration, meaning any capable user is able to online collaboration, participate online in development, making the number of possible contributors indefinite. The ability to examine the code facilitates public trust in the software. Open-source software development can bring in diverse perspectives beyond those of a single company. A 2024 estimate of the value of open-source software to firms is $8.8 trillion, as firms would need to spend 3.5 times the amount they currently do without the use of open source software. Open-source code can be used for studying and a ...
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America Online
AOL (formerly a company known as AOL Inc. and originally known as America Online) is an American web portal and online service provider based in New York City, and a brand marketed by Yahoo! Inc. (2017–present), Yahoo! Inc. The service traces its history to an online service known as PlayNET. PlayNET licensed its software to Quantum Link (Q-Link), which went online in November 1985. A new IBM PC–compatible, IBM PC client was launched in 1988, and eventually renamed as America Online in 1989. AOL grew to become the largest online service, displacing established players like CompuServe and The Source (online service), The Source. By 1995, AOL had about three million active users. AOL was at one point the most recognized brand on the Web in the United States. AOL once provided a Dial-up Internet access, dial-up Internet service to millions of Americans and pioneered instant messaging and chat rooms with AIM (software), AOL Instant Messenger (AIM). In 1998, AOL purchased Nets ...
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Cross-platform
Within computing, cross-platform software (also called multi-platform software, platform-agnostic software, or platform-independent software) is computer software that is designed to work in several Computing platform, computing platforms. Some cross-platform software requires a separate build for each platform, but some can be directly run on any platform without special preparation, being written in an interpreted language or compiled to portable bytecode for which the Interpreter (computing), interpreters or run-time packages are common or standard components of all supported platforms. For example, a cross-platform application software, application may run on Linux, macOS and Microsoft Windows. Cross-platform software may run on many platforms, or as few as two. Some frameworks for cross-platform development are Codename One, ArkUI-X, Kivy (framework), Kivy, Qt (software), Qt, GTK, Flutter (software), Flutter, NativeScript, Xamarin, Apache Cordova, Ionic (mobile app framework ...
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