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Top Apps

  • The First VoIP Communications Cloud in the World The First VoIP Communications Cloud in the World Icon
    The First VoIP Communications Cloud in the World Icon

    The Smarter Business Phone Solution

    • Powerful Unified Communication Features
    • Fast, Easy, Free Setup & Install
    • Trusted by 47,000+ Companies in 100 Countries
  • Want to improve your MSP’s revenue? Price your services right. Want to improve your MSP’s revenue? Price your services right. Icon
    Want to improve your MSP’s revenue? Price your services right. Icon

    Get the ebook, The Managed Services Pricing Guide 2.0 to get industry best practices on pricing managed services.

    You choose software for your IT business so it makes you money. The margins must be good enough to justify the cost. SolarWinds® RMM was priced to give you the margins you need to earn a healthy amount of monthly recurring revenue. Download our all-new Managed Services Pricing Guide 2.0 to find what revenue to expect for your services, including light monitoring, web protection, patching management, backup and more.
  • Anti-Spam SMTP Proxy Server Icon

    Anti-Spam SMTP Proxy Server

    Anti-Spam SMTP Proxy Server implements multiple spam filters

    The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Files' to download the professional version 2.6.1 build 17355. An linux and a freeBSD based OVA of ASSP V2 are also available for download. An quick fixup build 2.6.1 18028 is available. NOTICE: V1 development has been stopped at the end of 2014 (1.10.1 build 16060). Possibly there will be done some bugfixing in future. Please upgrade to V2, which is and will be actively maintained.

  • FileZilla Icon


    A fast cross-platform FTP client

    FileZilla® is a cross-platform FTP, SFTP, and FTPS client with a vast list of features, which supports Windows, Mac OS X, Linux, and more. FileZilla's dynamic tools help you move files between your local machine and your Web site's server effortlessly. For example, Filezilla lets you compare your files with in-directory server files to manage file syncing. You can also tab browse between servers and transfer files to them simultaneously, as well as edit server files on the go. And Filezilla is available in 47 languages worldwide!

  • qBittorrent Icon


    A free and reliable P2P BitTorrent client

    An advanced and multi-platform BitTorrent client with a nice Qt user interface as well as a Web UI for remote control and an integrated search engine. qBittorrent aims to meet the needs of most users while using as little CPU and memory as possible.

  • Audacity Icon


    A free multi-track audio editor and recorder

    Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. The interface is translated into many languages. The version currently hosted here is 2.1.0 (March 2015). More recent versions than this are available from . Audacity is free software, developed by a group of volunteers and distributed under the GNU General Public License (GPL). Programs like Audacity are also called open source software, because their source code is available for anyone to study or use. There are thousands of other free and open source programs, including the Firefox web browser, the LibreOffice or Apache OpenOffice office suites and entire Linux-based operating systems such as Ubuntu

  • Lazarus Icon


    Rapid applications development tool and libraries for FPC

    The Lazarus IDE is a stable and feature rich visual programming environment for the FreePascal Compiler. It supports the creation of self-standing graphical and console applications and runs on Linux, FreeBSD, MacOSX and Windows.

  • C++Builder: 1 codebase, 1 UI designer, 4 platforms. C++Builder: 1 codebase, 1 UI designer, 4 platforms. Icon
    C++Builder: 1 codebase, 1 UI designer, 4 platforms. Icon

    The best visual IDE for creating fast performance native apps across platforms. Start today a 30-Day trial (no credit card needed).

    Modern C++, standards-compliant with enhanced language extensions, beautiful native UI tools, and cross-compilation to Windows, macOS, iOS and Android. We provide the ‘full stack’ for native app development, from database to native and flexible UI to REST and more. If you want crossplatform C++ done right - choose the Complete App Platform for Multi-Device Native Development - Choose C++Builder.
  • Tux Paint Icon

    Tux Paint

    An award-winning drawing program for children ages 3 to 12

    Tux Paint is a free, award-winning drawing program for children ages 3 to 12. It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program. Kids are presented with a blank canvas and a variety of drawing tools to help them be creative. Along with paintbrush, shapes and text, Tux Paint includes a "stamp" feature to add pre-drawn or photographic imagery to pictures, and a set of "magic tools" that provide filter effects (like blur, tint and waves) and interesting drawing tools (like train tracks, bubbles and grass). Tux Paint includes a collection of "starter" images, both coloring-book style and photo-realistic, and a large collections of stamps are available as a separate download. Additional content can be added by parents and teachers, or downloaded from 3rd parties. Tux Paint is available for Linux, BSD, Windows, Mac OS X and Haiku operating systems.

  • fre:ac - free audio converter Icon

    fre:ac - free audio converter

    Audio converter and CD ripper for various formats

    fre:ac is a free audio converter and CD ripper for various formats and encoders. It features MP3, MP4/M4A, WMA, Ogg Vorbis, FLAC, AAC, and Bonk format support, integrates freedb/CDDB, CDText and ID3v2 tagging and is available in several languages.

  • ProjectLibre - Project Management Icon

    ProjectLibre - Project Management

    Project Management software: alternative to Microsoft Project

    ProjectLibre is project management software, an alternative to Microsoft Project. It is also the new updated version. We developed OpenProj they recommend you do not use that but use US! A compliment to OpenOffice and LibreOffice. We have a community site as well at It has been downloaded over 3,000,000 times in 200 countries and won InfoWorld "Best of Open Source" award. ProjectLibre is compatible with Microsoft Project 2003, 2007 and 2010 files. You can simply open them on Linux, Mac OS or Windows. ProjectLibre has been rewritten and added key features: * Compatibility with Microsoft Project 2010 * User Interface improvement * Printing (does not allow printing) * Bug fixes The ProjectLibre team has been the key innovators in project management software. In development of a cloud replacement of Microsoft Project. If you download please donate so we can continue

  • Vuze - Azureus Icon

    Vuze - Azureus

    An extremely powerful and configurable BitTorrent client

    Vuze (formerly Azureus) is an extremely powerful and configurable BitTorrent client. Search and download torrent files. Play, convert and transcode videos and music for playing on many devices such as PSP, TiVo, XBox, PS3, iTunes (iPhone, iPod, Apple TV).

  • Double Commander Icon

    Double Commander

    Double Commander is a cross platform open source file manager with two panels side by side. It is inspired by Total Commander and features some new ideas.

  • Multi-vendor storage monitoring simplified Multi-vendor storage monitoring simplified Icon
    Multi-vendor storage monitoring simplified Icon

    Monitor your multi-vendor storage to help ensure your applications get the performance & capacity they need with SolarWinds® Storage Resource Monitor.

    SolarWinds Storage Resource Monitor (SRM) gives you multi-vendor storage performance monitoring and alerting to help ensure peak storage performance. Automated capacity planning helps you predict storage shortages, reclaim space, and prevent application outages. SRM integrates with other Orion® Platform products to provide end-to-end visibility into the application stack, and lets you easily troubleshoot performance issues from application to storage.
  • Free Pascal Compiler Icon

    Free Pascal Compiler

    Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler

    A 32/64/16-bit Pascal compiler for Win32/64/CE, Linux, Mac OS X/iOS, FreeBSD, OS/2, Game Boy Advance, Nintendo NDS and DOS; semantically compatible with Delphi, Borland Pascal and Mac Pascal (partially) with extra features, e.g. operator overloading.

  • KDiff3 Icon


    A graphical text difference analyzer

    KDiff3 is a graphical text difference analyzer for up to 3 input files, provides character-by-character analysis and a text merge tool with integrated editor. It can also compare and merge directories. Platform-independant.

  • PostBooks ERP, accounting, CRM by xTuple Icon

    PostBooks ERP, accounting, CRM by xTuple

    World's #1 Open Source ERP

    World's #1 Open Source ERP, Accounting, CRM for SMBs. Mac, Windows, Linux and Mobile. Rich API to connect third-party apps. FREE user registration, demos and trial offers, plus commercial editions and add-ons at

  • Stellarium Icon


    A planetarium software that shows a 3D simulation of the night sky

    Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc.

  • Liferay Portal Icon

    Liferay Portal

    The world's leading open source portal

    Liferay Portal is the world's leading enterprise open source portal framework, offering integrated Web publishing and content management, an enterprise service bus and service-oriented architecture, and compatibility with all major IT infrastructure.

  • Universal Media Server Icon

    Universal Media Server

    Streams many media formats with minimal configuration

    Universal Media Server is a DLNA-compliant UPnP Media Server Universal Media Server supports all major operating systems, with versions for Windows, Linux and Mac OS X. The program streams or transcodes many different media formats with little or no configuration. UMS is powered by MEncoder, FFmpeg, tsMuxeR, AviSynth, MediaInfo and more, which combine to offer support for a wide range of media formats Check out the list of media renderers here:

  • Dolibarr ERP - CRM Icon

    Dolibarr ERP - CRM

    Open source erp and crm web software for business

    Dolibarr ERP - CRM is an easy to use ERP and CRM open source software package (run with a web php server or as standalone software) for businesses, foundations or freelancers (prospect, invoicing, inventory, warehouse, order, shipment, POS, members for foundations, bank accounts...). Dolibarr is also available with auto-installers for users with no technical knowledge to install Dolibarr and all its prerequisites (Apache, Mysql, PHP) with just one package. Available platforms for such packages are: Windows, Debian, Ubuntu, Mint, Redhat, Fedora, OpenSuse, Mandriva, Mageia. Other platform can use the generic distribution. This is a modular product, than can be enhanced with tons of external modules (to provide you features not available by default) from Download Dolibarr ERP - CRM here or sign up for 15-day free trial of the cloud-based application with free updates and support at one of the Cloud providers

  • simutrans Icon


    A free transportation simulator game

    Simutrans is a cross-platform simulation game where players try to successfully manage transportation systems between places by land, air, and water for passengers, mail, and goods. Planes, ships, trains, trams, trucks, buses, or monorails are at your disposal, but factories operate based on contracts and passengers can only travel to their set destinations.

  • Hugin Icon


    Panorama photo stitcher

    With Hugin you can assemble a mosaic of photographs into a complete immersive panorama, stitch any series of overlapping pictures and much more.

  • FreeCAD Icon


    a parametric 3D CAD modeler

    WARNING: FreeCAD has moved! FreeCAD code and release files are now hosted on github at Only older files and code are available here. FreeCAD is a general purpose feature-based, parametric 3D modeler for CAD, MCAD, CAx, CAE and PLM, aimed directly at mechanical engineering and product design but also fits a wider range of uses in engineering, such as architecture or other engineering specialties. It is 100% Open Source and extremely modular, allowing for very advanced extension and customization. FreeCAD is based on OpenCasCade, a powerful geometry kernel, features an Open Inventor-compliant 3D scene representation model provided by the Coin 3D library, and a broad Python API. The interface is built with Qt. FreeCAD runs exactly the same way on Windows, Mac OSX and Linux platforms.

  • Pidgin IM Icon

    Pidgin IM

    A universal instant messaging (IM) program

    See for more information. Pidgin is an instant messaging program which lets you log in to accounts on multiple chat networks simultaneously. It runs on Windows, Linux, and other UNIX operating systems. Pidgin is compatible with the following chat networks out of the box: AIM, ICQ, Google Talk, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, MXit, Novell GroupWise Messenger, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr. It is written in C and makes heavy use of GLib and GTK+. Finch is a command line instant messaging program. It also lets you log in to accounts on multiple chat network simultaneously, and it is compatible with the same chat networks as Pidgin. It is written in C and makes heavy use of GLib and ncurses.

    Downloads: 20,939 This Week Last Update: See Project
  • Vtiger CRM Icon

    Vtiger CRM

    An enterprise-class CRM and more!

    Vtiger CRM enables sales, support, and marketing teams to organize and collaborate to measurably improve customer experiences and business outcomes. Vtiger CRM also includes email, inventory, project management, and other tools, providing a complete the business management suite. Download Vtiger CRM here or sign up for a free 15-day free trial of the cloud-based application with free updates and support at

  • VICE Icon


    Versatile Commodore Emulator

    VICE is an emulator collection which emulates the C64, the C64-DTV, the C128, the VIC20, practically all PET models, the PLUS4 and the CBM-II (aka C610). It runs on Unix, MS-DOS, Win32, OS/2, Acorn RISC OS, BeOS, QNX 6.x, Amiga, GP2X or Mac OS X machines.

  • Zekr: Multimedia Quran Study Software Icon

    Zekr: Multimedia Quran Study Software

    Zekr is an open source Quran study software for Windows, Linux and Mac. It's designed to ease access to the most authentic and valuable text of Muslims. Zekr provides Quran translations, recitation, search and other features to study Holy Quran.

  • Warzone 2100 Icon

    Warzone 2100

    RTS game with the theme of Strategy by Design

    You command the forces of “The Project” in a battle to rebuild the world after mankind has almost been destroyed by nuclear missiles. The game offers a full campaign with optional (but strongly recommended!), videos, battle against four factions, multi-player and single-player skirmish modes, and an extensive tech tree and a full unit designer. Multi-player is also cross-platform, battle your friends with any OS, Windows, Linux or Mac, it all works seamlessly! We also offer 100% portable Windows builds, take the game and install it anywhere! Our source repo is now at If you are using linux, and want a .deb, then please get the latest version available from (They are not affliated with us, but they do have the latest builds!) Warzone 2100 works on both 32 & 64 bit Windows Vista or higher, 32 or 64 bit Linux, 32 or 64 bit Macs.

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