Information Technology

Operating Systems7

• OpenBSD is a FREE, multi-platform 4.4BSD-based UNIX-like operating system. Our efforts emphasize portability, standardization, correctness, proactive security and integrated cryptography. As an example of the effect OpenBSD has, the popular OpenSSH software comes from OpenBSD.

• Fedora is a RedHat based linux distrobution funded by RedHat. Typically, what is developed and tested in Fedora makes it's way into the next RedHat release.

• CentOS is a stable, predictable, manageable and reproduceable platform derived from the sources of Red Hat Enterprise Linux (RHEL). Since March 2004, CentOS Linux has been a community-supported distribution derived from sources freely provided to the public by Red Hat. As such, CentOS Linux aims to be functionally compatible with RHEL. We mainly change packages to remove upstream vendor branding and artwork. CentOS Linux is no-cost and free to redistribute.

• Debian is a free operating system created by an association of individuals in the Debian Project.

• Ubuntu is a Debian based Open-Source operating system.

• Minix3 is a free, open-source, operating system designed to be highly reliable, flexible, and secure. It is based on a tiny microkernel running in kernel mode with the rest of the operating system running as a number of isolated, protected, processes in user mode. It runs on x86 and ARM CPUs, is compatible with NetBSD, and runs thousands of NetBSD packages. Great for learning about operating systems.

• Puppy Linux is a free & very small operating system, and Puppy Linux is a special build of Linux meant to make computing easy and fast.

Networking6

• tcpdump is a powerful command-line packet analyzer; and libpcap, a portable C/C++ library for network traffic capture.

• GNS3 is an environment to build, design, and test networks virtually.

• Common Open Research Emulator (CORE) is a tool for emulating networks on one or more machines. You can connect these emulated networks to live networks. CORE consists of a GUI for drawing topologies of lightweight virtual machines, and Python modules for scripting network emulation. CORE has been developed by a Network Technology research group that is part of the Boeing Research and Technology division. The Naval Research Laboratory is supporting further development of this open source project.

• RANCID (Really Awesome New Cisco config Differ) monitors a router's (or more generally a device's) configuration, including software and hardware (cards, serial numbers, etc) and uses CVS (Concurrent Version System) or Subversion to maintain history of changes.

• OpenVPN provides secure, reliable, and scalable communication services, not only fulfilling the requirements of the traditional virtual private network (VPN) market, but also addressing the demands of next wave web-scale VPN services.

• Open vSwitch is a production quality, multilayer virtual switch licensed under the open source Apache 2.0 license. It is designed to enable massive network automation through programmatic extension, while still supporting standard management interfaces and protocols (e.g. NetFlow, sFlow, IPFIX, RSPAN, CLI, LACP, 802.1ag). In addition, it is designed to support distribution across multiple physical servers similar to VMware's vNetwork distributed vswitch or Cisco's Nexus 1000V.

Virtualization6

• Oracle VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL) version 2. When installing, don't forget to download and add the Oracle VM VirtualBox Extension Pack

• VMware ESXi Hypervisor is a free bare-metal hypervisor that virtualizes servers so you can consolidate your applications on less hardware.

• VMware vCenter Converter transforms your Windows- and Linux-based physical machines and third-party image formats to VMware virtual machines.

• OpenStack software controls large pools of compute, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API. OpenStack works with popular enterprise and open source technologies making it ideal for heterogeneous infrastructure.

• KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V). It consists of a loadable kernel module, kvm.ko, that provides the core virtualization infrastructure and a processor specific module, kvm-intel.ko or kvm-amd.ko.Using KVM, one can run multiple virtual machines running unmodified Linux or Windows images. Each virtual machine has private virtualized hardware: a network card, disk, graphics adapter, etc.

• OpenShift Origin is Red Hat's Platform-as-a-Service (PaaS) that allows developers to quickly develop, host, and scale applications in a cloud environment. It includes support for a wide variety of language runtimes and data layers including Java EE6, Ruby, PHP, Python, Perl, MongoDB, MySQL, and PostgreSQL.

Storage & Backup7

• FreeNAS is an operating system that can be installed on virtually any hardware platform to share computer data storage over a computer network.

• CloneZilla is a partition and disk imaging/cloning program similar to True Image® or Norton Ghost®. It helps you to do system deployment, bare metal backup and recovery.

• GParted is a free partition editor for graphically managing your disk partitions.

• Amanda is the most popular open source backup and recovery software in the world. Amanda protects more than a million servers and desktops running various versions of Linux, UNIX, BSD, Mac OS-X and Microsoft Windows operating systems worldwide.

• Bacula is a set of computer programs that permits the system administrator to manage backup, recovery, and verification of computer data across a network of computers of different kinds. Bacula can also run entirely upon a single computer and can backup to various types of media, including tape and disk.

• Samba provides secure, stable and fast file and print services for all clients using the SMB/CIFS protocol, such as all versions of DOS and Windows, OS/2, Linux and many others. It is an important component to seamlessly integrate Linux/Unix Servers and Desktops into Active Directory environments. It can function both as a domain controller or as a regular domain member.

• GlusterFS is an open source, distributed file system capable of scaling to several petabytes (actually, 72 brontobytes!) and handling thousands of clients. GlusterFS clusters together storage building blocks over Infiniband RDMA or TCP/IP interconnect, aggregating disk and memory resources and managing data in a single global namespace. GlusterFS is based on a stackable user space design and can deliver exceptional performance for diverse workloads.

Databases10

• MySQL Community Edition is the freely downloadable version of the world's most popular open source database. It is available under the GPL license and is supported by a huge and active community of open source developers.

• PostgreSQL is a powerful, open source object-relational database system.

• Microsoft SQL Express is free database software that works great with any web application framework such as PHP, and your favorite applications such as Wordpress, and Drupal. Free SQL server comes with reporting options and other expansions you're simply not going to find anywhere else.

• Berkeley DB is a family of embedded key-value database libraries providing scalable high-performance data management services to applications.

• Oracle Express Edition is an entry-level, small-footprint database based on the Oracle Database 11g Release 2 code base. It's free to develop, deploy, and distribute; fast to download; and simple to administer.

• IBM DB2 Express-C the no-charge community edition of DB2 server, is a simple, flexible, powerful, and reliable relational database server. It is easy to install, embed, deploy, and available for download, deployment, and redistribution at no charge.

• MariaDB is a drop-in replacement for MySQL.

• phpMyAdmin is a free software tool written in PHP, intended to handle the administration of MySQL over the Web. phpMyAdmin supports a wide range of operations on MySQL, MariaDB and Drizzle. Frequently used operations (managing databases, tables, columns, relations, indexes, users, permissions, etc) can be performed via the user interface, while you still have the ability to directly execute any SQL statement.

• Cassandra database has scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data.

• Toad (freeware) is a software application that database developers, database administrators and data analysts use to manage both relational and non-relational databases using SQL.

Compute & Research5

• Apache Hadoop is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage. Rather than rely on hardware to deliver high-availability, the library itself is designed to detect and handle failures at the application layer, so delivering a highly-available service on top of a cluster of computers, each of which may be prone to failures.

• HTCondor is a specialized workload management system for compute-intensive jobs. Like other full-featured batch systems, HTCondor provides a job queueing mechanism, scheduling policy, priority scheme, resource monitoring, and resource management. Users submit their serial or parallel jobs to HTCondor, HTCondor places them into a queue, chooses when and where to run the jobs based upon a policy, carefully monitors their progress, and ultimately informs the user upon completion.

• BOINC (Berkeley Open Infrastructure for Network Computing) is a shared community distributed computing project.

• GNU Octave is a high-level interpreted language, primarily intended for numerical computations. It provides capabilities for the numerical solution of linear and nonlinear problems, and for performing other numerical experiments. It also provides extensive graphics capabilities for data visualization and manipulation. Octave is normally used through its interactive command line interface, but it can also be used to write non-interactive programs. The Octave language is quite similar to Matlab so that most programs are easily portable.

• GMAT (General Mission Analysis Tool) is designed to model, optimize, and estimate spacecraft trajectories in flight regimes ranging from low Earth orbit to lunar applications, interplanetary trajectories, and other deep space missions.

Security19

• Wireshark is the world's foremost network protocol analyzer. It lets you see what's happening on your network at a microscopic level. It is the de facto (and often de jure) standard across many industries and educational institutions.

• Kali Linux is an advanced and versatile penetration testing distribution.

• AVG is essential protection that detects, blocks and removes viruses and malware. (Anti-Virus)

• KeePass is a free open source password manager, which helps you to manage your passwords in a secure way. You can put all your passwords in one database, which is locked with one master key or a key file. So you only have to remember one single master password or select the key file to unlock the whole database. The databases are encrypted using the best and most secure encryption algorithms currently known (AES and Twofish).

• KeeForm is a popular extension for Keepass that can launch web sites, scan for user name and password fields, and fill in that information for you automatically.

• nmap is a utility for network discovery and security auditing.

• Nessus is a vulnerability scanner that features high-speed asset discovery, configuration auditing, target profiling, malware detection, sensitive data discovery, and vulnerability analysis.

• OpenVAS is a framework of several services and tools offering a comprehensive and powerful vulnerability scanning and vulnerability management solution.

• SpamAssassin is an OpenSource spam filter. Good to use with Spamhaus. Spamhaus tracks the Internet's spam senders and spam services, provides dependable realtime anti-spam protection for Internet networks, and works with Law Enforcement to identify and pursue spammers worldwide.

• SELinux is a security enhancement to Linux which allows users and administrators more control over access control. More information can be found at the NSA.

• McAfee Stinger is a standalone utility used to detect and remove specific viruses. It is not a substitute for full anti-virus protection, but a specialized tool to assist administrators and users when dealing with infected system. Details on new or enhanced signatures added with each Stinger build are listed in the Readme details.

• OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response. It runs on most operating systems, including Linux, MacOS, Solaris, HP-UX, AIX and Windows.

• Cyber Security Evaluation Tool is a selfcontained software tool which runs on a desktop or laptop computer. It evaluates he cybersecurity of an automated, industrial control or business system using a hybrid risk and standards-based approach, and provides relevant recommendations for improvement.

• Packet Filtering (pf) is the selective passing or blocking of data packets as they pass through a network interface. The criteria that pf(4) uses when inspecting packets are based on the Layer 3 (IPv4 and IPv6) and Layer 4 (TCP, UDP, ICMP, and ICMPv6) headers. The most often used criteria are source and destination address, source and destination port, and protocol.

• OpenSSL is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS) protocols as well as a full-strength general purpose cryptography library.

• OpenSSH is a FREE version of the SSH connectivity tools that technical users of the Internet rely on. Users of telnet, rlogin, and ftp may not realize that their password is transmitted across the Internet unencrypted, but it is. OpenSSH encrypts all traffic (including passwords) to effectively eliminate eavesdropping, connection hijacking, and other attacks. Additionally, OpenSSH provides secure tunneling capabilities and several authentication methods, and supports all SSH protocol versions.

• Dshell is an extensible network forensic analysis framework. Enables rapid development of plugins to support the dissection of network packet captures.

• DBAN is free erasure software designed for the home user. It automatically deletes the contents of any hard disk that it can detect. This method can help prevent identity theft before recycling a computer.

• SIFT (SANS Investigative Forensic Toolkit) is a toolkit filled with powerful, OpenSource forensic tools on top of Ubuntu Linux.

Network Monitoring System (NMS) & Managment15

• OpenNMS is a network management application platform with automated and directed discovery, event and notification management, service assurance, and performance measurement.

• Nagios Core allows you to monitor your entire IT infrastructure to ensure systems, applications, services, and business processes are functioning properly. In the event of a failure, it can alert technical staff of the problem, allowing them to begin remediation processes before outages affect business processes, end-users, or customers.

• Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality. Cacti provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features out of the box. All of this is wrapped in an intuitive, easy to use interface that makes sense for LAN-sized installations up to complex networks with hundreds of devices.

• Network Weathermap (Cacti) is an open source network visualisation tool, to take data you already have and show you an overview of your network in map form.

• MRTG will monitor SNMP network devices and draw pretty pictures showing how much traffic has passed through each interface.

• Syslog-ng is an OpenSource log managment solution.

• Puppet Labs helps sysadmins automate configuration and management of machines and the software running on them. With this software, businesses can make rapid, repeatable changes and automatically enforce the consistency of systems and devices, across physical and virtual machines, on prem or in the cloud.

• TclMon is an OpenSource cross-platform network monitoring solution.

• SmokePing keeps track of your network latency.

• collectd is a daemon which collects system performance statistics periodically and provides mechanisms to store the values in a variety of ways, for example in RRD files.

• NFDUMP collect and process netflow data on the command line. They are part of the NfSen project.

• NfSen (Netflow Sensor) is a graphical web based front end for the nfdump netflow tools.

• LibreNMS a fully featured network monitoring system that provides a wealth of features and device support.

• Zenoss Core provides unified monitoring, configuration tracking, and event management.

• Munin can easily monitor the performance of your computers, networks, SANs, applications, weather measurements and whatever comes to mind. It makes it easy to determine "what's different today" when a performance problem crops up. It makes it easy to see how you're doing capacity-wise on any resources.

Internet & Communication5

• Firefox is a free browser.

• TeamViewer software allows users to remote control any computer or Mac over the internet within seconds or to host online meetings.

• Google Chrome is a free browser.

• Google Drive is free online storage.

• Lynx is a highly configurable text-based web browser for use on cursor-addressable character cell terminals.[3][4] It is the oldest web browser currently in general use and development,[5] having started in 1992 and as of 2015 is still in use and development.

Productivity8

• Adobe Acrobat Reader is the free trusted standard for reliably viewing, printing, and annotating PDF documents.

• Adobe Digital Editions offers an engaging way to view and manage media rich eBooks and other digital publications.

• CutePDF Writer is the free version of the commercial PDF converter software. CutePDF Writer installs itself as a "printer subsystem". This enables virtually any Windows applications to convert to professional quality PDF documents

• Thunderbird is a free e-mail applicaiton.

• Lightning Calendar is an ad-on to organize your schedule and events in a calendar that’s fully integrated with Thunderbird or Seamonkey email. Manage multiple calendars, create daily to do list, invite friends to events, and subscribe to public calendars.

• GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP). GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories. Version 2 provides support for S/MIME and Secure Shell (ssh). A Windows binary can be found at Gpg4win.

• OpenOffice is a software suite for word processing, spreadsheets, presentations, graphics, databases and more.

• LibreOffice is a powerful office suite.

Imaging, Audio & Video11

• GIMP is the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring.

• Gimpshop is a version of GIMP that mimics the Adobe Photoshop interface.

• Apple iTunes

• GoPro Studio makes it easy to import your GoPro media, play back your videos and Time Lapse photo sequences, view photos and create professional-quality videos. SoundCloud has a selection of music, some of which is free, that can be used for the audio track.

• Miro Video Converter is used to convert almost any video to MP4, WebM (vp8), Ogg Theora, or for Android, iPhone, and iPad. It is based on ffmpeg.

• VideoLAN (VLC) is a free and open source cross-platform multimedia player and framework that plays most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols.

• Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems.

• Lightworks Free is a zero-cost version of Lightworks video editor available for everyone. Lightworks Free has all the power of Lightworks, allowing you to export only to MPEG-4 (Web, YouTube and Vimeo) at a maximum resolution of 720p.

• Blender is a free and open source 3D animation suite. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, even video editing and game creation. Advanced users employ Blender’s API for Python scripting to customize the application and write specialized tools; often these are included in Blender’s future releases. Blender is well suited to individuals and small studios who benefit from its unified pipeline and responsive development process.

• Cinelerra is a Free Linux-based Audio, Images, and Special Effects system created by Adam Williams and was originally uploaded in the fall of 2002 with numerous improvements since that time.

• Inkscape is an open-source vector graphics editor similar to Adobe Illustrator, Corel Draw, Freehand, or Xara X. What sets Inkscape apart is its use of Scalable Vector Graphics (SVG), an open XML-based W3C standard, as the native format.

Development7

• Android Studio is the official IDE for Android application development.

• Python is a widely used general-purpose, high-level programming language. Its design philosophy emphasizes code readability, and its syntax allows programmers to express concepts in fewer lines of code than would be possible in languages such as C++ or Java. The language provides constructs intended to enable clear programs on both a small and large scale.

• Apache Subversion is an open source version control system.

• Tcl/Tk Tcl (Tool Command Language) is a very powerful but easy to learn dynamic programming language, suitable for a very wide range of uses, including web and desktop applications, networking, administration, testing and many more. Open source and business-friendly, Tcl is a mature yet evolving language that is truly cross platform, easily deployed and highly extensible.
  Tk is a graphical user interface toolkit that takes developing desktop applications to a higher level than conventional approaches. Tk is the standard GUI not only for Tcl, but for many other dynamic languages, and can produce rich, native applications that run unchanged across Windows, Mac OS X, Linux and more.

• Perl is a highly capable, feature-rich programming language with over 27 years of development.

• Eclipse is a Java Integrated Development Environment (IDE). Also avaialble, are the C/C++ IDE and PHP IDE. You can easily combine language support and other features into any of the default packages, and the Eclipse Marketplace allows for virtually unlimited customization and extension.

• Bugzilla is a "Defect Tracking System" or "Bug-Tracking System". Defect Tracking Systems allow individual or groups of developers to keep track of outstanding bugs in their product effectively.

Hosting10

• Apache HTTP Server is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows NT. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.

• Apache Tomcat is an open source software implementation of the Java Servlet and JavaServer Pages technologies.

• Apache Geronimo is an open source server runtime that integrates the best open source projects to create Java/OSGi server runtimes that meet the needs of enterprise developers and system administrators.

• PHP is a popular general-purpose scripting language that is especially suited to web development.

• JBoss is a J2EE application server.

• Postfix is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program. Postfix attempts to be fast, easy to administer, and secure. The outside has a definite Sendmail-ish flavor, but the inside is completely different.

• GNU Mailman is free software for managing electronic mail discussion and e-newsletter lists. Mailman is integrated with the web, making it easy for users to manage their accounts and for list owners to administer their lists. Mailman supports built-in archiving, automatic bounce processing, content filtering, digest delivery, spam filters, and more.

• MediaWiki is a free software open source wiki package written in PHP.

• Moodle is a learning platform designed to provide educators, administrators and learners with a single robust, secure and integrated system to create personalised learning environments.

• WordPress started as just a blogging system, but has evolved to be used as full content management system and so much more through the thousands of plugins and widgets and themes.

Spacial1

• World Wind is a free, open source API for a virtual globe. Written in Java so as to be cross-platform and easy-to-use, World Wind allows developers to quickly and easily create interactive visualizations of 3D globe, map and geographical information.

Misc Tools & Software24

• 7-Zip is a file archiver with a high compression ratio.

• Microsoft Administration Tools enables IT administrators to manage roles and features that are installed on computers that are running Windows Server® 2008 R2, Windows Server® 2008, or Windows Server® 2003, from a remote computer that is running Windows 7 or Windows 7 with SP1.

• Sysinternals Suite is composed of tools to administer and monitor computers running Microsoft Windows.

• Java allows you to play online games, chat with people around the world, calculate your mortgage interest, and view images in 3D, just to name a few. It's also integral to the intranet applications and other e-business solutions that are the foundation of corporate computing.

• FileZilla is an FTP package that comes in two options, client and server.

• Win32DiskImager is designed to write a raw disk image to a removable device or backup a removable device to a raw image file. It is very useful for embedded development, namely Arm development projects (Android, Ubuntu on Arm, etc).

• PuTTY is a free implementation of Telnet and SSH for Windows and Unix platforms, along with an xterm terminal emulator.

• WinSCP is an open source free SFTP client, FTP client, WebDAV client and SCP client for Windows. Its main function is file transfer between a local and a remote computer. Beyond this, WinSCP offers scripting and basic file manager functionality.

• SD Card Formatter formats all SD memory cards, SDHC memory cards and SDXC memory cards. SD Formatter provides quick and easy access to the full capabilities of your SD, SDHC and SDXC memory cards.

• Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems.

• rsync is an open source utility that provides fast incremental file transfer.

• iftop does for network usage what top does for CPU usage. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts.

• TightVNC is a free remote control software package. With TightVNC, you can see the desktop of a remote machine and control it with your local mouse and keyboard, just like you would do it sitting in the front of that computer.

• RealVNC enables you to remotely access and control your devices wherever you are in the world, whenever you need to.

• GNU Tar provides the ability to create tar archives, as well as various other kinds of manipulation. For example, you can use Tar on previously created archives to extract files, to store additional files, or to update or list files which were already stored.

• Meinberg NTP provide a GUI installer for Windows which installs the NTP service and associated executable programs which have been compiled from the original public NTP source code.

• CUPS is the standards-based, open source printing system developed by Apple Inc. for OS X® and other UNIX®-like operating systems. CUPS uses the Internet Printing Protocol (IPP) to support printing to local and network printers.

• TeraCopy is designed to copy and move files at the maximum possible speed. It skips bad files during the copying process, and then displays them at the end of the transfer so that you can see which ones need attention. TeraCopy can automatically check the copied files for errors by calculating their CRC checksum values. It also provides a lot more information about the files being copied than its Windows counterpart. TeraCopy integrates with Windows Explorer's right-click menu and can be set as the default copy handler.

• Cygwin is a large collection of GNU and Open Source tools which provide functionality similar to a Linux distribution on Windows, and a DLL (cygwin1.dll) which provides substantial POSIX API functionality.

• UltimatebootCD assembles over 100 PC hardware diagnosis tools into one bootable CD to analyze and repair hard drives and boot problems.

• YUMI (Your Universal Multiboot Integrator) can be used to create a Multiboot USB Flash Drive containing multiple operating systems, antivirus utilities, disc cloning, diagnostic tools, and more. Contrary to MultiBootISOs which used grub to boot ISO files directly from USB, YUMI uses syslinux to boot extracted distributions stored on the USB device, and reverts to using grub to Boot Multiple ISO files from USB, if necessary.

• Wine is a compatibility layer capable of running Windows applications on several POSIX-compliant operating systems, such as Linux, Mac OSX, & BSD. Instead of simulating internal Windows logic like a virtual machine or emulator, Wine translates Windows API calls into POSIX calls on-the-fly, eliminating the performance and memory penalties of other methods and allowing you to cleanly integrate Windows applications into your desktop.

• NK2Edit is a utility to view and edit Microsoft Outlook nickname files.

• AWStats is a free powerful and featureful tool that generates advanced web, streaming, ftp or mail server statistics, graphically. This log analyzer works as a CGI or from command line and shows you all possible information your log contains, in few graphical web pages. It uses a partial information file to be able to process large log files, often and quickly. It can analyze log files from all major server tools like Apache log files (NCSA combined/XLF/ELF log format or common/CLF log format), WebStar, IIS (W3C log format) and a lot of other web, proxy, wap, streaming servers, mail servers and some ftp servers.

Reference shelf