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!
A lightweight and easy-to-use password manager
KeePass Password Safe is a free, open source, lightweight, and easy-to-use password manager for Windows, Linux and Mac OS X, with ports for Android, iPhone/iPad and other mobile devices. With so many passwords to remember and the need to vary passwords to protect your valuable data, it’s nice to have KeePass to manage your passwords in a secure way. KeePass puts all your passwords in a highly encrypted database and locks them with one master key or a key file. As a result, you only have to remember one single master password or select the key file to unlock the whole database. And the databases are encrypted using the best and most secure encryption algorithms currently known, AES and Twofish. See our features page for details.
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 http://www.audacityteam.org/download/ . 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
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.
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 http://www.xTuple.com.
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.
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.
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.
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.
Is an easy to use, money management application.
Money Manager Ex (mmex) is an easy to use, money management application. It is a personal finance manager. It can be used to track your net worth, income vs expenses etc. It runs on Windows, Linux and Mac OSX.
Free data backup software to synchronize files and folders
FreeFileSync is a free Open Source software that helps you synchronize files and synchronize folders for Windows, Linux and Mac OS X. It is designed to save your time setting up and running data backups while having nice visual feedback along the way. _______________________________________________________________ Support FFS with a donation: https://www.freefilesync.org/donate.php
Psi IM — Qt-based XMPP client
Psi is cross-platform powerful XMPP client designed for experienced users. There are builds available for MS Windows, GNU/Linux and macOS.
Audio Tag Editor
Kid3 audio tag editor can edit the tags of MP3, Ogg, FLAC, MPC & WMA files in an efficient way, convert between ID3v1 and ID3v2, set the tags of multiple files, generate tags from file names or vice versa and import from freedb, MusicBrainz and Disco
JEDI VCL for Delphi
JVCL is a library of over 600 Delphi components developed by "Project JEDI" members.
Psi+ Project — development branch of Psi XMPP client
Psi is a cross-platform powerful XMPP client designed for experienced users. Psi+ is a development branch of Psi XMPP client. Project purpose: collection, refinement and writing new patches for transfer them to Psi upstream developers.
Synfig is a powerful, industrial-strength vector-based 2D animation software package, designed from the ground-up for producing feature-film quality 2D animation with fewer people and resources.
Qt based GUI tool designed to create and edit .torrent files
Torrent Client for Mac - https://mac.eltima.com/torrent-client.html Sources: https://github.com/drizt/torrent-file-editor
A 3D simulator game where you can drive, fly, and sail
Rigs of Rods is a 3D simulator game where you can drive, fly and sail various vehicles using an accurate and unique soft-body physics engine. Since 2014, the development continued at https://github.com/RigsOfRods/rigs-of-rods UPDATE: 10/30/2016: removed opencandy installers, replaced with zip files.
Wikipedia offline & more
Kiwix is an offline reader for Web content. It's especially intended to make Wikipedia available offline. With Kiwix, you can enjoy Wikipedia on a boat, in the middle of nowhere... or in Jail. Kiwix manages to do that by reading ZIM files, a highly compressed open format with additional meta-data.
Secure Trading Client for most popular Bitcoin exchanges
Supported Exchanges: OkCoin, Bitfinex, BTC-e/Wex, Bitstamp, goc.io, Indacoin, BTCChina, Bitmarket.pl and YoBit.net. This software helps you open and cancel orders very fast. Real-time data monitoring. Developed on pure Qt, uses OpenSSL. I want to develop this Trader App so that it can be configured for any rule and strategy. And now it supports JL Script, advanced strategy script language. More info http://forum.centrabit.com/viewforum.php?f=3 Next ToDo: 1 ) Advanced Charts 2 ) Add support to monitor many exchanges and currencies at the same time 3 ) Develop server to collect all ticker and depth data to provide single WebSocket connection for realtime data updates 4 ) Make floatable interface [Done] 5 ) Saving interface settings as Workspace Profiles [Done] 6 ) Develop mobile application to provide secure remote access to running application on desktop 7 ) Add plugins support to allow all developers attach any exchanges More information here: http://centrabit.com
KMyMoney is the Personal Finance Manager for KDE. It operates similar to Quicken, supports various account types, categorization of expenses, multiple currencies, online banking support via QIF, OFX and HBCI, budgeting and a rich set of reports.
A software-based online payment system
Bitcoin is a decentralized P2P electronic cash system without a central server or trusted parties. Users hold the crypto keys to their own money and transact directly with each other, with the help of the network to check for double-spending.
a race scenario drawing tool
A cross platform multi-network peer-to-peer (P2P) file-sharing client.
Quazaa is a cross platform multi-network peer-to-peer (P2P) file-sharing client inspired by Shareaza which will support Gnutella2, Ares, eDonkey2000 (eMule), HTTP, FTP, and BitTorrent. Using the Qt software development kit
ChessDB is a free open-source chess database for Windows, Linux, Mac OSX and most UNIX and UNIX-like operating systems. ChessDB is based on code from Scid http://scid.sourceforge.net/ - a project for which there have been no updates for several years. In