TOP Open Source Software Open Source Accounting 1. FriFinans An alternative to Web-based open-source accounting apps, FriFinans is a cross-platform, multi-user, client/server finance system. It tracks accounts, offers, orders, invoices, purchase orders, payments, etc. and generates pdf reports of activities. Operating System: OS Independent. 2. FrontAccounting This Web-based accounting/ERP app handles purchase orders, invoices, accounts payable, inventory, sales orders, general ledger, and more. In addition, it supports multiple languages, multiple currencies, and multiple GST/VAT settings. Operating System: OS Independent 3. GnuCash This app works well for personal finance management and also includes some small business features such as customer and vendor tracking, invoicing and bill payment, and tax and billing terms. It's not as full-featured as some other accounting programs, but it is compatible with Quicken and OFX formats. Operating System: Windows, Linux, Mac, BSD, Solaris. 4. osFinancials osFinancials includes accounting, invoicing, stock control, and POS abilities. It supports multiple users, up to 1 million debtors and creditors, and up to 1 million stock items. Operating System: Windows. 5. TurboCASH Designed as an alternative to QuickBooks, TurboCASH is a simple but flexible small business accounting program with multi-user and multi-company capabilities. On the downside, it only runs on Windows, so you'll need an emulator if you want to run it on Linux. Operating System: Windows. Open Source Address Book
6. Rubrica Written using GNOME and GTK+, Rubrica stores contact information as XML data. It can import/export from a variety of formats, including GnomeCard, KAddressbook, Evolution, and csv file format. Operating System: Linux/Unix. Open Source Anti-Spam
7. ASSP Humbly claiming to be "the absolute best SPAM fighting weapon that the world has ever known," ASSP is short for "Anti-Spam SMTP Proxy" Server. While it takes a little work to get it up and running at first, it doesn't require a lot of maintenance, and the site wiki includes extensive help on configuring the app so that it works for you. Operating System: Windows, Linux, OS X. 8. SpamAssassin The highly acclaimed "#1 open-source spam filter," SpamAssassin, uses a number of different features to identify spam, including header tests, body phrase tests, Bayesian filtering, blacklists and whitelists, and others. It can be used on its own, but it's also been incorporated into a number of othercommercial and open-source applications. Operating System: OS Independent. 9. Spamato Available as an Outlook add-on, as a Thunderbird extension, or as a stand-alone proxy, Spamato uses multiple filters to separate junk mail from the stuff you actually want to receive. Unlike some anti-spam tools, it also lets you see why a message gets classified as spam and adjust your settings as necessary. Operating System: Windows, Linux, OS X.
10. Nixory Nixory will quickly scan your system and remove any malicious cookies from Firefox. Unlike some similar apps, you can use it alongside other anti-virus or anti-spyware applications without first disabling those systems. Operating System: Windows, Linux, OS X. 11. xpy This tiny program (less than 60KB), improves security, improves performance, and closes some of the flaws which opens up Windows to spyware. It disables the Windows "calling home" features, disarms Internet Explorer, disables Windows Media Player, and more. Operating System: Windows. Open Source Anti-Virus/Anti-Malware
12. ClamAV One of the best-known open-source security projects, ClamAV provides e-mail virus and malware scanning for Unix-based systems. Its owners update its prodigious virus database several times each day to provide up-to-the minute protection from evolving threats. Operating System: Linux, Unix. 13. ClamTK As you might expect, this is an interface for ClamAV, this time for Linux only. The latest release adds directory whitelisting. Operating System: Linux. 14. ClamWin Based on the well-respected ClamAV engine, ClamWin integrates with Microsoft Outlook and Windows Explorer to scan files for viruses and other malware. You can set it up to automatically download the updated virus database, and you can schedule system scans. However, unlike many commercial products, it does not include a real-time scanner for files you receive by e-mail. You'll need to save files and right-click in order to scan them for viruses. Operating System: Windows. 15. Moon Secure This app also uses the Clam AV engine (though developers claim to be working on one of their own), but offers a different interface and some different features. Operating System: Windows. 16. P3Scan This e-mail proxy server scans both incoming and outgoing messages for viruses, worms, trojans, spam, and other malware. Like most open-source anti-virus tools, it's based in part on the ClamAV engine. Operating System: Linux. 17. Rootkit Hunter As you might expect from its name, Rootkit Hunter searches your system for rootkits and other unwanted tools. It does not provide live or scheduled scanning, but the Web site contains instructions for setting up your system to run Rootkit Hunter daily. Operating System: Linux, Unix. 18. Viralator Still getting the occasional network virus even after you install anti-virus software? Viralator supplements the existing anti-virus software on your proxy server to block malware that might otherwise slip in when users access free webmail accounts. Operating System: Linux, Unix.
19. AppArmor Novell's application firewall uses policy-based profiles to control who can access various applications. It's included with openSUSE and SUSE Linux Enterprise, but is also available for download for any Linux system. Operating System: Linux. 20. ModSecurity ModSecurity Web application firewall provides real-time monitoring and anlysis of attacks. Hardened appliances and commercial support are available from project developer Breach Security. Operating System: OS Independent. 21. SELinux Developed by the NSA, Security Enhanced Linux adds mandatory access control features to the Linux OS. It enforces complete separation of information to make it more difficult to bypass application security mechanisms. Operating System: Linux, Unix. Open Source Astronomy
22. Celestia Celestia lets you view the night skies from earth, and it also lets you fly through 3D space to any place in the known universe. When possible, it uses actual photographs of planets, asteroids, and other objects, so that you can see what they really look like. Operating System: Windows, Linux, OS X. 23. KStars Developed by the KDE Education Project, KStars is a planetarium program that's very similar to Stellarium (see below). Unique features include an altitude vs. time tool, what's up tonight tool, and an AAVSO Lightcurve Generator. Operating System: Linux. 24. Space Trajectory Analysis This app lets researchers analyze, simulate, and visualize the paths of objects that have been launched into space. It's currently being used by the European Space Agency and a number of international universities. Operating System: Windows, Linux, OS X. 25. Stellarium Downloaded more than 8 million times, Stellarium is one of the most popular open-source education apps available. With this app, you can input coordinates for any point on earth and view the night skies for any particular point in time. It's so accurate, it's even used to power many planetariums. Operating System: Windows, Linux, OS X.
26. Amarok This audio’s player’s claim to fame is its easy-to-use, attractive interface. Amarok's browser-like feel also makes it easy to use playlists. Operating System: Windows, Linux, Unix, OS X. 27. Aqualung Aqualung plays audio CDs, internet radio streams, podcasts, and nearly every audio file format in use. It also offers the unique option of eliminating sound gaps between adjacent tracks. Operating System: Windows, Linux, OS X. 28. aTunes Much like a more well-known "Tunes" program that also starts with a vowel, aTunes lets you play music, create playlists, view and edit tags, and rip CDS. And because it's Java-based, it runs on any platform. Operating System: OS Independent. 29. Audacity Audacity lets you record and edit multi-track audio files. It’s not a professional-quality tool, but it does more than most home users will ever need, including recording up to 16 channels at once, converting among multiple audio file formats, and adding effects. Operating System: Windows, Linux, OS X. 30. AC3Filter This audio decoder and processor filter allows media players to play AC3 and DTS audio tracks from movies. It also allows you to mix audio tracks and adjust sound quality. Operating System: Windows. 31. CDex Downloaded more than 38 million times, this CD ripper supports a number of different audio encoders, as well as audio tag formats. CDex also allows direct recording of multiple tracks and provides advanced jitter correction. Operating System: Windows. 32. Cdrtools Cdrtools provides a complete set of applications (including Cdrecord) for recording/burning CDs, DVDs, and BluRay disks. Operating System: Linux. 33. CoolPlayer CoolPlayer is a self-described “blazing fast audio player” for Windows. It features a very simple interface and an 8-band equalizer. Operating System: Windows. 34. DrumTrack Turn your PC into a drum machine. DrumTrack allows you to create and record your own drum score, including incorporating samples from nearly any audio file type. One note of caution: this app is aimed at hobbyists, not professionals. Operating System: Windows 35. EasyTAG EasyTAG allows users to view and edit the tag fields on MP3, MP2, MP4/AAC, FLAC, Ogg Vorbis, MusePack, Monkey's Audio, and WavPack files. It includes a tree-based browser and CDDB support for manual and automatic searches. Operating System: Windows, Linux. 36. Frinika Frinika is a java-based music workstation that allows you to record and edit sound, add special effect, and mix in synthesizer sounds and drum beats. Unlike many other sound editors, Frinika lets you do everything from your existing PC without the need for extra hardware or equipment. Operating System: OS Independent. 37. Jajuk If you have a large or scattered music collection, Jajuk is for you. This jukebox provides a lot of advanced features for users who know what they’re doing, while also being relatively intuitive. Operating System: OS Independent. 38. Juice Juice makes it easy to capture and listen to podcasts, any time, anywhere. It includes a directory of thousands of online podcasts, so it’s also easy to find the one you want. Operating System: Windows, Linux, OS X. 39. LAME Although LAME stands for "Lame Ain’t No MP3 Encoder," the first line on its Web site states, "LAME is an MPEG Audio Layer III (MP3) encoder." It was intended as an educational tool for those interested in improving the speed and quality of MP3 files. Operating System: Windows, Linux, OS X. 40. Linux MultiMedia Studio Think you have what it takes to be a music producer? LMMS lets you create music on your computer, including creating loops, synthesizing and mixing sounds, arranging samples, and more. Operating System: Windows, Linux. 41. Mixere Mixere lets you play and mix an unlimited number of audio tracks during a live performance. Features include dynamic looping, auto-triggering of audio, fully automated sliders, gradual muting, and crossfading. Operating System: Windows. 42. Mixxx Designed for DJs performing live mixes, Mixxx replaces a traditional turntable and mixer setup. It supports mp3, ogg, wave, and flac playback. Operating System: Windows, Linux, OS X. 43. MOC Simply select a directory, and the MOC (Music On Console) audio player will play all files in that directory. Supported file formats include MP3, Ogg Vorbis, FLAC, Musepack, Speex, WAVE, AIFF, and AU. Operating System: Linux/Unix, OS X. 44. Moosic The key feature of this music player is its playlist management/queuing abilities. By default, Moosic supports MP3, Ogg, MIDI, MOD, and WAV files, but it can be configured to support other file formats as well. Operating System: Unix. 45. MP3Gain Tired of constantly adjusting the volume when playing MP3s? MP3Gain uses statistical analysis to gauge how loud songs sound in the human ear, and then modifies the volume appropriately without degrading the quality of playback. Operating System: OS Independent. 46. Mp3splt Mp3splt is an audio utility that does just one thing—it lets you cut mp3 and ogg files into smaller files and rename them. It’s especially useful if you need to split an entire album into individual tracks. Operating System: Windows, Linux, OS X. 47. pulpTunes Want to access your home iTunes library while you’re at work? Install pulpTunes and you can access your music from any Web-connected computer. Operating System: OS Independent. 48. Songbird While still a work in progress, Songbird has been receiving rave reviews as an open-source alternative to iTunes. It has tons of built-in features and services, including artist links, a music store, concert tickets, smart playlists, and much, much more. Operating System: Windows, Linux, OS X. 49. StreamRipper StreamRipper allows you to record and save Shoutcast streams and other Internet audio. Its key feature is the ability to find silences and mark them as possible points of track separation. Operating System: Windows, Linux/Unix. 50. Zinf Based on the FreeAmp source code, Zinf plays a wide variety of audio file types. It includes a music browser, theme support, and a download manager. Operating System: Windows, Linux.
51. Amanda Currently protecting more than 500,000 computers, Amanda is one of the most popular (if not the most popular) open-source backup and recovery program. Importantly, it encrypts backup data both in transit and at rest. Several commercial vendors (notably, Zmanda) use Amanda to offer cloud backup services for users who prefer to store archived data off-site. Operating System: Windows, Linux, OS X. 52. Areca Backup Designed to be both flexible and simple, Areca Backup makes it extremely easy to archive your files and work with those archived files (browse, merge, track versions, etc.). It also gives users the option to encrypt backup files with strong algorithms. Operating System: Windows, Linux. 53. Bacula While it's primarily aimed at enterprises and users with large networks, Bacula can also be used to backup a small home network or a single system. It's an excellent program (one of the most popular open source enterprise apps), but you need to be pretty tech-savvy to use it. Operating System: Windows, Linux, OS X. Open Source Biology
54. ByoDyn Scientists building models of biochemical networks or pathways can use ByoDyn to estimate and analyze the parameters underlying these processes. In addition to the downloadable version, it can also be accessed online as a Web app. Operating System: Linux, OS X. Open Source Blogging
55. LifeType The LifeType blogging platform supports multiple users and multiple blogs from a single installation. It includes a WYSIWYG editor, integrated media management, a built-in spam filter, and podcasting support. Operating System: OS Independent. 56. Nucleus CMS It bills itself as a Content Management System, but in reality Nucleus is primarily a tool for setting up a blog and hosting it on your own server. Features include a built-in commenting tool, URLs optimized for readers, and multi-lingual support. Operating System: OS Independent. 57. WordPress Want to set up a company blog? WordPress offers three simple steps to get your blog online in just minutes, even if you're new to the whole concept. Operating System: OS Independent.
58. Chrome Google’s browser aims to combine “a minimal design with sophisticated technology to make the web faster, safer, and easier.” Notable features include a combination Web address/search box, incognito mode, and a new tab page that includes screenshots of recently visited sites. Operating System: Windows, Linux, OS X. 59. Firefox An independent study cited on the Firefox site claims that Internet Explorer users are vulnerable to threats 98 percent of the time while Firefox users are only vulnerable 2 percent of the time. In addition to being secure, Firefox is fast and highly customizable. Operating System: Windows, Linux, OS X. 60. K-Meleon K-Meleon combines some of the best features of Firefox (tabbed browsing, speed, enhanced security) with some of the best features of Opera (mouse gestures). It also gives you the option of using an Internet Explorer favorites list, an Opera hotlist, and/or a Firefox bookmarks list at the same time. Operating System: Windows. 61. Tor Browser Bundle If you're really paranoid about privacy or have other reasons for wanting to browse the Internet anonymously, the Tor Bundle will install with your existing browser for ultimate protection. When it's running, no one can tell what sites you are visiting, sites can't figure out your physical location, and you should be able to access sites that are blocked by governments or Web filtering software. You can also install it on a thumb drive for mobility. Operating System: Windows. 62. TorK For Linux users, this Tor front-end lets you anonymously browse the Internet, send instant messages and e-mail, and more. Operating System: Linux.
63. phpBB The world’s most widely used open source forum creation software, phpBB, lets you set up an online community in just minutes. It includes the ability to send attachments, create unlimited sub-forums, add custom BBCodes, and many other features. Operating System: OS independent. Open Source Business Intelligence (BI)
64. JasperSoft The creators of the "most widely used open source business intelligence" offer a host of BI products, including the comprehensive JasperSoft Business Intelligence Suite, JasperReports report development library, JasperServer query and reporting server, JasperAnalysis interactive OLAP analysis, and JasperETL high performance data integration. The fee-based professional versions add Web 2.0, ad hoc query, and dashboard design capabilities. Operating System: OS Independent. 65. JMagallanes This reporting tool can be used to create static reports, swing pivot tables for OLAP analysis, and charts. It reads SQL, Excel, and XML data and exports to PDF and Excel files. Operating System: OS Independent. 66. Mondrian From the makers of Pentaho, Mondrian is a Java-based OLAP engine. That means you can use it to analyze large SQL databases without knowing how to write SQL. Operating System: OS Independent. 67. OpenI With OpenI, you can easily visualize data from OLAP and relational databases and create your own reports, analyses, and dashboards. Future versions will support data mining models and Web data sources. Operating System: OS Independent. 68. OpenReports This Web reporting solution generates dynamic reports from any browser and supports JasperReports, JFreeReport, JXLS, Eclipse BIRT, and OLAP. The fee-based professional version adds dashboards, alerts, and conditional report scheduling. Operating System: OS Independent. 69. Palo BI Suite The Palo BI Suite includes three separate modules: Palo OLAP server for multi-user collaboration on BI data and analysis, Palo Worksheet Server for online spreadsheets with advance reporting capabilities, and Palo ETL server which extracts, transforms, and loads data from various sources. It's available in both the free community edition and the supported commercial edition. Operating System: OS Independent. 70. Pentaho The Pentaho Business Intelligence suite includes modules for reporting, analysis, data integration, dashboards, and data mining that can be deployed together or independently. Users include U.S. Naval Air Systems Command, Lifetime Networks, Terra Industries, Sun Microsystems, and MySQL. (Note that due to recent acquisitions, some versions of Pentaho software are partially closed source.) Operating System: Windows, Linux, OS X. 71. RapidMiner "One of the most widely used data mining and predictive analysis solutions world-wide," RapidMiner includes more than 400 data mining operators that can be used independently or combined. The fee-based enterprise editions add other business intelligence capabilities, as well as support and warranties. Operating System: OS Independent.
Open Source Business Process Management/Business Performance Management (BPM)
72. Adaptive Planning Designed to replace spreadsheet-based processes, Adaptive Planning includes budgeting, forecasting, and reporting capabilities. In addition to the free Express version, it's also available in commercial Corporate and Enterprise editions that can be deployed on-demand (hosted) or on-premise. Operating System: Windows, Linux. 73. ProcessMaker Aimed at small-to-medium enterprises or strategic business units within a larger organization, ProcessMaker makes it easy for business managers with no programming experience to create models of business processes. It's Web-based and connects easily with existing ERP, BI, DMS, and CRM applications. Operating System: Windows, Linux. 74. uEngine The uEngine BPM suite includes three separate components: BPM Foundation with a process engine and modeling tool; the process portal with personalization, single sign-on, and dashboard capabilities; and the BP Analyzer with OLAP analyzing and charting abilities. It supports multiple languages, including English, but because it is developed by a Korean company, parts of the Web site and interface sound strange to native English speakers. Operating System: OS Independent.
75. ADempiere ERP Business Suite ADempiere combines ERP, CRM, and supply chain management functionality into a single package that is similar to Compiere but managed by a community instead of a company. Operating System: Windows, Linux, Unix, OS X, BSD, Solaris. 76. allocPSA Designed for service organizations, its creators call allocPSA a "Professional Services Automation Suite." Key functions include a digital dashboard, project management, timesheets, financials, CRM, personnel, calendaring, issue tracking, document management, and reporting. Operating System: OS Independent. 77. Compiere ERP + CRM Business Solution Compiere aims to make ERP and CRM easier to acquire, implement, extend, and change. In addition to the free Community Edition, Compiere is available in several different varieties—some commercial, some open source, some deployed on-site, and some available in the cloud. Operating System: Windows, Linux, Unix, OS X, BSD, Solaris. 78. Dolibarr ERP/CRM Aimed at small- to medium-sized organizations, Dolibarr manages products and services, stock, bank accounts, customers, orders, invoices, and more. It also includes several features aimed at non-profit foundations, such as member management and donation management. Operating System: OS Independent. 79. GNU Enterprise GNU Enterprise contains a host of developer and ERP tools, including human resources, accounting, CRM, project management, supply chain management, and e-commerce features. Its modular design and open architecture make it easy to customize and easy to maintain. Operating System: Windows, Linux, OS X. 80. JAllInOne ERP/CRM Despite its name, JAllInOne is primarily an ERP solution with some basic CRM functions. It provides all the standard ERP functionality and supports multiple users, multiple languages, and multiple companies. Operating System: OS Independent. 81. JFire JFire includes ERP, CRM, e-commerce, and supply chain management functionality. Key features include support for global business (multi-language, multi-currency, multiple tax formulas), advanced user management, scalability, distributed architecture, web reporting, and issue tracking. Operating System: OS Independent. 82. Ohioedge Ohioedge combines CRM and BPM features in a Java-based app. The site is light on documentation, but does include a helpful test drive that lets you see how the software can be used. Operating System: OS Independent. 83. opentaps Short for "OPen source ENTerprise APplications Suite," opentaps combines ERP and CRM in a single integrated suite. Modules include inventory/shipping/warehouse, online store, CRM/order entry/marketing, POS, parties & users, AR/AP ledger, purchasing/planning, and product catalog. Operating System: Windows, Linux, Unix. 84. Plazma ERP + CRM The Plazma Business Solution is primarily a CRM app with some ERP features. It manages accounts, contacts, sales, tasks, campaigns, and products and creates analytical reports. Operating System: Windows, Linux, OS X. 85. TNT Concept Built by Spanish company Autentia for its own use, TNT Concept includes ERP, accounting, HR, BPM, and reporting capabilities. It's also the only ERP software we've seen that includes tracking for books on loan, which Autentia uses to manage its library of books available for employees to borrow. Operating System: OS Independent.
86. Lightning/Sunbird In addition to Thunderbird and Firefox, Mozilla also makes a calendar application. If you use Thunderbird for e-mail, Lightning adds calendar functionality similar to Outlook. If you don’t use Thunderbird, the Sunbird stand-alone calendar gives you most of the same functionality, except that it doesn’t integrate with e-mail meeting requests. Operating System: Windows, Linux, OS X, Solaris. Open Source Chemistry
87. Jmol This java-based app lets students create diagrams of atoms, molecules, macromolecules, crystals, and more. The site includes a handbook and tutorials for helping you learn how to use the software. Operating System: OS Independent. 88. Kalzium Kalzium contains more information about the periodic table of the elements than most high school students ever wanted to know. It also solves chemical equations, shows pictures of the elements, and includes a helpful glossary. Operating System: Linux. 89. ProtoMol ProtoMol is a framework for molecular dynamics simulation. It's designed to be highly flexible, easily extensible, and to meet high performance demands. Operating System: Linux, Unix, Windows. Open Source Classroom Management
90. iTALC Short for "intelligent teaching and learning with computers," iTALC makes it easier for teachers to interact with students using PCs in the classroom or those joining from home via a VPN connection. With it, you can view a snapshot of every screen in the class, show students a demo from your screen, lock workstations (so students have to pay attention to you), send text messages, and more. Operating System: Windows, Linux. 91. Mando Mando lets you create an interactive whiteboard. If you have your computer connected to a camera and a projector, you can use your laser pointer to control the computer in front of the class, just as you would use a mouse at your desk. Operating System: Linux.
