gscan2pdf : A GUI to ease the process of producing PDFs from scanned documents

gscan2pdf is a GUI to ease the process of producing PDFs from scanned documents. You scan in one or several pages and create a PDF of selected pages. Scanning is handled with SANE via scanimage. PDF conversion is done by PDF::API2. Perl is used for portability and ease of programming, with gtk2-perl for the GUI.

• Licenses : GPL
• Operating Systems : POSIX
• Implementation : Perl

Linphone : An audio and video Internet phone with GTK+ and console interfaces

Linphone is an audio and video Internet phone with GTK+ and console interfaces. It uses the SIP protocol, and is compatible with most SIP clients and gateways. It can use various audio and video codecs such as Speex, GSM, G711, ilbc, amr, Theora, H263-1998, MPEG4, H264, and snow.

• Licenses : GPL
• Operating Systems : POSIX, Linux, BSD, FreeBSD, Windows, Mac OS X, iPhoneOS, Android
• Implementation : C

Scan Tailor : An interactive post-processing tool for scanned pages

Scan Tailor is an interactive post-processing tool for scanned pages. It performs operations such as page splitting, deskewing, adding/removing borders, despeckling, and others. You give it raw scans and you get pages ready to be printed or assembled into a PDF or a DJVU file.

• Licenses : GPLv3
• Implementation : C++

ZynAddSubFX : A powerful real-time, multi- timbral software synthesizer for Linux

ZynAddSubFX is a powerful real-time, multi- timbral software synthesizer for Linux. It has microtonal capabilities, and the instruments it creates sound like those from professional keyboards. It includes effects like reverb, echo, chorus, and phaser.

• Licenses : GPL
• Operating Systems : POSIX, Linux, Windows
• Implementation : C++

DrQueue : A distributed rendering queue. It helps manage jobs on a render farm

DrQueue is a distributed rendering queue. It helps manage jobs on a render farm. It works under Linux, Mac OS X, FreeBSD, IRIX, and Windows, supports Maya, Blender, Lightwave, Mental Ray, Bmrt (Renderman), 3Delight, and Pixie out of the box, and can support any other renderer or computing task that can be handled via scripting.

• Licenses : GPL
• Operating Systems : Mac OS X, POSIX, BSD, FreeBSD, Linux, IRIX, Windows, Cygwin
• Implementation : C C++

Barcode Writer in Pure Postscript implements the printing of many barcode formats entirely within PostScript

Barcode Writer in Pure Postscript implements the printing of many barcode formats entirely within PostScript, so that the process of converting the input string into the printed output is performed by the printer itself. The project supports all major barcode formats including EAN-13, EAN-8, UPC-A, UPC-E, ISBN, Code 128 (A, B, and C), Code 39, Code 93, Code 11, ITF-14, GS1 DataBar, MSI, Plessey, Postnet, Code 2 of 5, Codabar, QR Code, PDF417, MaxiCode, Aztec Code, Data Matrix, PostNet, OneCode, RM4SCC, AusPost, etc.

• Licenses : MIT/X
• Operating Systems : OS Independent
• Implementation : PostScript

Scan Tailor : An interactive post-processing tool for scanned pages

Scan Tailor is an interactive post-processing tool for scanned pages. It performs operations such as page splitting, deskewing, adding/removing borders, despeckling, and others. You give it raw scans and you get pages ready to be printed or assembled into a PDF or a DJVU file.

• Licenses : GPLv3
• Implementation : C++

Arista : An easy-to-use multimedia transcoder for the GNOME desktop

Arista is an easy-to-use multimedia transcoder for the GNOME desktop. It focuses on the goal of transcoding media, namely the devices you wish to play the media on. It is designed for use by people who are not familiar with audio and video encoding and want an easy way to get multimedia to their devices. It supports input from DVD and V4L devices as well as regular files.

• Licenses : LGPLv2.1
• Operating Systems : OS Independent
• Implementation : GTK, GDK, GConf, GIO, Cairo, Gstreamer, Python, udev

Disko : A user interface application framework for the fast and simple development of flexible applications on embedded Linux systems

Disko is a user interface application framework for the fast and simple development of flexible applications on embedded Linux systems, with a particular focus on interactive user interfaces. It is high-performance and easy to learn, and due to its architecture is well suited to creating complex applications.

• Licenses : LGPL
• Operating Systems : POSIX, Linux
• Implementation : C++

BRL-CAD : A powerful constructive solid geometry solid modeling system

BRL-CAD is a powerful constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing support for rendering and geometric analysis, path-tracing for realistic image synthesis, network distributed framebuffer support, and image and signal-processing tools.

• Licenses : BSD Revised, LGPL, Public Domain
• Operating Systems : Unix, Mac OS X, Windows, Cygwin, POSIX, BSD, IRIX, Linux, Solaris
• Implementation : C, C++, PHP, Tcl, Unix Shell

Poppler : PDF rendering library derived from xpdf

Poppler is a PDF rendering library derived from xpdf. It has been enhanced to utilize modern libraries. It also provides basic command line utilities.

• Licenses : GPL
• Operating Systems : Unix, POSIX
• Implementation : C++

pdf2djvu creates DjVu files from PDF files

pdf2djvu creates DjVu files from PDF files. It's able to extract: graphics, text layer, hyperlinks, document outline (bookmarks), and metadata.

• Licenses : GPLv2
• Operating Systems : POSIX, Linux, Mac OS X, Windows, FreeBSD
• Implementation : C++

Fotoxx : A photo editing and collection management application

Fotoxx is a photo editing and collection management application. It lets you navigate an image collection using a thumbnail browser, import camera RAW files and edit them with 16-bit color, save edited images as TIFF-8/16, JPEG, or PNG, and edit the whole image or a selected area with adjustable edge blending. It supports multiple undo/redo. Tags, dates, and ratings can be added to images, which can be searched using these criteria as well as file names. Functions include brightness and color adjustments, trim, rescale, rotate, warp, sharpen, blur, noise reduction, red-eye removal, HDR composites, tone-mapping, and panorama.

• Licenses : GPLv3
• Operating Systems : Linux
• Implementation : C++, GTK

TV-Viewer : A frontend to watch and record TV

TV-Viewer is a frontend to watch and record TV. It is designed for analog TV cards working with the ivtv, pvrusb2, or cx18 driver and others with a built-in hardware MPEG-2 encoder. It uses the Tk toolkit. DVB support is planned in the future.

• Licenses : GPLv2
• Operating Systems : Linux
• Implementation : Tcl/Tk, MPlayer, ivtv, pvrusb2, cx18

WOSH (Wide Open Smart Home) : A message-oriented middleware for controlling and automating a smart home

WOSH (Wide Open Smart Home) is a message-oriented middleware for controlling and automating a smart home. It comes with working services and devices. WOSH is an open multi-platform C++ framework. Its architecture is service (bundles) oriented and designed for distributed (cloud) computing. WOSH ships with library source, many services, and some applications (a server, a trayicon remote controller, and a GUI full-controller). Some features provided by its micro-kernel are a multi-user system with access policies, a centralized database manager and system monitor, and automatic network management and masquerading (on TCP). Some of the implemented services are: multimedia audio playback, monitor and control of X10 devices, remote control using instant messaging, and a remote control using SMS and call notification.

• Licenses : creative commons by-nc-sa 3.0
• Operating Systems : POSIX, Windows, Windows Mobile, Mac OS X
• Implementation : Qt4, STL, ANSI C++

CVLTonemap : An interactive viewer and tone mapping tool for high dynamic range (HDR) images

CVLTonemap is an interactive viewer and tone mapping tool for high dynamic range (HDR) images. By performing the tone mapping on the graphics processing unit (GPU), CVLTonemap can immediately display the results of method and parameter changes.

• Licenses : GPL
• Operating Systems : Windows, POSIX, Linux
• Implementation : C, C++

Video Contact Sheet *NIX (vcs for short) : A script that creates a contact sheet (preview) from videos

Video Contact Sheet *NIX (vcs for short) is a script that creates a contact sheet (preview) from videos by taking still captures distributed over the length of the video. The output image contains useful information on the video such as codecs, file size, screen size, frame rate, and length. It requires MPlayer or FFmpeg and ImageMagick. It is confirmed to work on Linux and FreeBSD, and possibly other POSIX/UNIX systems.

• Licenses : LGPL
• Operating Systems : POSIX, Linux, FreeBSD
• Implementation : Unix Shell, bash

WOSH (Wide Open Smart Home) : A message-oriented middleware for controlling and automating a smart home

WOSH (Wide Open Smart Home) is a message-oriented middleware for controlling and automating a smart home. It comes with working services and devices. WOSH is an open multi-platform C++ framework. Its architecture is service (bundles) oriented and designed for distributed (cloud) computing. WOSH ships with library source, many services, and some applications (a server, a trayicon remote controller, and a GUI full-controller). Some features provided by its micro-kernel are a multi-user system with access policies, a centralized database manager and system monitor, and automatic network management and masquerading (on TCP). Some of the implemented services are: multimedia audio playback, monitor and control of X10 devices, remote control using instant messaging, and a remote control using SMS and call notification.

• Licenses : creative commons by-nc-sa 3.0
• Operating Systems : POSIX, Windows, Windows Mobile, Mac OS X
• Implementation : Qt4, STL, ANSI C++

Mumble : Low-latency, high quality voice chat software primarily intended for use while gaming

Mumble is low-latency, high quality voice chat software primarily intended for use while gaming. It should compile and run the client out of the box on at least Ubuntu 6.06, and quite likely other distributions as well.

• Licenses : BSD Revised GPL
• Operating Systems : Windows, POSIX, Linux
• Implementation : C++

Mumble : Low-latency, high quality voice chat software primarily intended for use while gaming

Mumble is low-latency, high quality voice chat software primarily intended for use while gaming. It should compile and run the client out of the box on at least Ubuntu 6.06, and quite likely other distributions as well.

• Licenses : BSD Revised, GPL
• Operating Systems : Windows, POSIX, Linux
• Implementation : C++