Free Downloads: Open Source Compression Software

License:  All 1 2 | Free

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7-Zip is open source software.

7-Zip is Open Source Software. Most of the Source code is under the GNU LGPL license. The unRAR code is under a mixed license: GNU LGPL unRAR restrictions.
Main Features:
-High Compression ratio in 7z format with LZMA and LZMA2 Compression
- Supported formats:Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM.

Category: Utilities / File Compression
Publisher: Igor Pavlov, License: Shareware, Price: USD $0.00, File Size: 1.1 MB
Platform: Windows



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UnzipLite is a free and open source compression and encryption program.

UnzipLite is a free and Open Source Compression and encryption program.
UnzipLite can Open ZIP files and it can also Open RAR files. The following file types can be uncompressed (or extracted): ZIP, RAR ,ARJ, BZIP2, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, GZIP, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, TAR, UDF, VHD, WIM, XAR, XZ, 7z...

Category: Utilities / File Compression
Publisher: all authors, License: Freeware, Price: USD $0.00, File Size: 1.5 MB
Platform: Windows

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CHAOS Compressor Screenshot
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Data compression utility, which allows you to quickly open, create, and modify your archives. .

Data compression utility, which allows you to quickly open, create, and modify your archives.

Category: Audio
Publisher: Safe Soft Corporation, License: Freeware, Price: USD $0.00, File Size: 491.2 KB
Platform: Windows

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ClearCanvas ImageServer is a scalable, easy to use, open source PACS server.

ClearCanvas ImageServer is a scalable, easy to use, Open Source PACS server.
Main features:
-Easy to use web-based administration interface
-DICOM C-STORE (SCP/SCU)
-DICOM C-FIND and C-MOVE (SCP)
-Image Compression support
-Logical partitioning (i.e. virtual AEs)
-Powerful rules engine for autorouting, Compression, etc.
...

Category: Internet / Misc. Servers
Publisher: ClearCanvas Inc, License: Freeware, Price: USD $0.00, File Size: 12.9 MB
Platform: Windows

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Speex is an Open Source/Free Software patent-free audio compression format designed for speech.

Speex is an Open Source/Free Software patent-free audio Compression format designed for speech. The Speex Project aims to lower the barrier of entry for voice applications by providing a free alternative to expensive proprietary speech codecs. Moreover, Speex is well-adapted to Internet applications and provides useful features that are not present in most other...

Category: Audio / Rippers & Encoders
Publisher: Xiph.Org Foundation, License: Freeware, Price: USD $0.00, File Size: 479.0 KB
Platform: Windows

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Open source group collaboration software for Enterprise.

Open Source group collaboration Software for Enterprise. Cyn.in helps teams to build collaborative knowledge by sharing & discussing various forms of digital content within a secure, unified application that is accessible using a web based interface.

Category: Business & Finance / Applications
Publisher: cyn.in, License: Freeware, Price: USD $0.00, File Size: 239.6 MB
Platform: Windows, Linux, Vista

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Archiver is a new file compression tool, which distinguish itself from traditional file compression with optimized compression ratio.

Archiver is a new file Compression tool, which distinguish itself from traditional file Compression with optimized Compression ratio. Using technology in Reasonable NoClone, Archiver optimizes Compression by removing exact and partial duplicates in both file level and data level, providing yet the best Compression ratio, and thus further reduce the size of...

Category: Utilities / File Compression
Publisher: NoClone (Free Edition), License: Shareware, Price: USD $12.90, File Size: 1.1 MB
Platform: Windows

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NShape is an Open Source diagram designing framework for .

NShape is an Open Source diagram designing framework for .NET WinForms. Software developers use NShape to integrate diagramming capabilities into their applications. Using NShape, applications let users view, annotate, modify and create diagrams like flow charts, wiring schemes or project charts. NShape is Open Source and has a dual license which allows it to...

Category: Multimedia & Design / Image Editing
Publisher: dataweb GmbH, License: Shareware, Price: USD $0.00, File Size: 8.3 MB
Platform: Windows

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The Tau Producer 1.

The Tau Producer 1.0 is the graphical interface for the True Audio Codec which provides lossless Compression and decompression for wav files.

The codec is used to produce high quality Compression audio files. There is no loss of data and no compromise on the quality when the Compression is done. When the files are decompressed the resultant files are almost...

Category: Audio / Rippers & Encoders
Publisher: true-audio.com, License: Freeware, Price: USD $0.00, File Size: 250.7 KB
Platform: Windows

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Industrial Open Source alternative to proprietary 3D modeling kernels.

Industrial Open Source alternative to proprietary 3D modeling kernels.
Open CASCADE Technology is a powerful CAD/CAM/CAE kernel and development platform for 3D modeling applications. It consists of reusable C object libraries and a set of development tools that are available in Open Source.

Category: Multimedia & Design / Image Editing
Publisher: Open Cascade SA, License: Freeware, Price: USD $0.00, File Size: 65.1 MB
Platform: Windows

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Open Source Customer Relationship Management for Small and Medium Businesses built over LAMP/WAMP technologies and open source projects.

vtiger CRM is an Open Source Customer Relationship Management (CRM) Software mainly for Sales force working in small and medium businesses. vtiger CRM is built over proven, fast, and reliable LAMP/WAMP (Linux/Windows, Apache, MySQL, and PHP) technologies and other Open Source projects. vtiger CRM leverages the benefits of Open Source...

Category: Business & Finance
Publisher: vtiger, License: Freeware, Price: USD $0.00, File Size: 41.5 MB
Platform: Windows, Linux, Unix

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ArgoUML is the leading open source UML modeling tool and includes support for all standard UML 1.

ArgoUML is the leading Open Source UML modeling tool and includes support for all standard UML 1.4 diagrams. It runs on any Java platform and is available in ten languages.

ArgoUML is distributed under the Eclipse Public License (EPL) 1.0.

ArgoUML is an Open Source project. The availability of the Source ensures that a new...

Category: Software Development / Misc. Programming
Publisher: Tigris.org (Open Source), License: Shareware, Price: USD $0.00, File Size: 14.3 MB
Platform: Windows

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Xceed Streaming Compression for .

Xceed Streaming Compression for .NET is an efficient and lightweight data Compression class library for Microsoft .NET and ASP.NET. It can process any size byte array with ease and provides a true .NET pass-through stream object for automatically compressing or decompressing any .NET stream's data on the fly. It supports the GZip, Zlib, Deflate and Deflate64? Compression...

Category: Software Development / Misc. Programming
Publisher: Xceed Software Inc., License: Commercial, Price: USD $149.95, File Size: 21.5 MB
Platform: Windows

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AutoZIP is a compression utility witch allows to compress a single file in a ZIP archive.

AutoZIP is a Compression utility witch allows to compress a single file in a ZIP archive.
After Compression, AutoZIP sets creation, last access and last changed date as the same values of the Source file.

It comes in two flavours: Graphical (GUI) for one-shot file Compression and CommandLine (CLI) for use in automated scripts/batch.

Category: Utilities / Misc. Utilities
Publisher: Coolsoft, License: Freeware, Price: USD $0.00, File Size: 454.9 KB
Platform: Windows

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Using open source software is the only way out of vendor lock because anyone has the freedom to support the software, to make improvements to it, and to resell it.

Using Open Source Software is the only way out of vendor lock because anyone has the freedom to support the Software, to make improvements to it, and to resell it.
Open Dental will always belong to the entire dental community. Plan for the future and use a database that is built on Open standards, not one that is closed and proprietary.

Category: Home & Education / Health & Nutrition
Publisher: Open Dental Software, License: Shareware, Price: USD $149.00, File Size: 36.6 MB
Platform: Windows

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JurikSoft Compression Library is a .

JurikSoft Compression Library is a .NET component with a set of methods, which allow
Compress array of bytes using lossless Compression algorithms.
Current version of Compression library include following Compression algorithms: LZSS,
Adaptive and Non-Adaptive Prefix Codes and Run Length Encoding algorithm.

Category: Software Development / Components & Libraries
Publisher: JurikSoft, License: Shareware, Price: USD $49.00, File Size: 800.0 KB
Platform: Windows

Klorofil Platform Screenshot
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Open source (free) PHP platform that has windowed GUI framework and web application framework. Other classes: distributed computing, database, networking (socket, HTTP, e-mail, SMS), XML, collection, I/O, compression, and PHP encoder (byte compiler).

Open Source (free) PHP platform developed by Saltanera to ease and accelerate application development. It has windowed GUI framework and web application framework. Other classes are: - Distributed computing - Database abstraction layer (Oracle, MySQL, PostgreSQL, and SQLite) - Networking (socket, HTTP, e-mail, SMS) - XML, collection - I/O - Compression - PHP...

Category: Software Development
Publisher: Saltanera Teknologi, PT., License: Freeware, Price: USD $0.00, File Size: 2.2 MB
Platform: Linux

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HS Compress is a software library (supplied with full C source code) which provides a programmer with a lossless compression / decompression algorithm based on RLE (runtime length encoding) The library may be used in telecommunications application or

HS Compress is a Software library (supplied with full C Source code) which provides a programmer with a lossless Compression / decompression algorithm based on RLE (runtime length encoding) The library may be used in telecommunications application or for fixed data Compression. *HOW IT WORKS: Runtime Length Encoding (RLE): HS Compress library operates in buffer mode....

Category: Software Development / Components & Libraries
Publisher: Hillstone Software, License: Freeware, Price: USD $0.00, File Size: 324.0 KB
Platform: Windows, PDA

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Open Video Capture Screenshot
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Open Video Capture can capture video from webcam, TV Tuner card, digital video, digital camera and other capture devices. It can set video compression codec and audio compression codec, output frame size and frame rate. It also snapshots pictures with the hotkey.

Open Video Capture can capture video from webcam, TV Tuner card, digital video, digital camera and other capture devices. It can set video Compression codec and audio Compression codec, output frame size and frame rate. It also snapshots pictures with the hotkey. It can set each capture device's properties, preview and record real-time video, watch TV if TV Tuner is...

Category: Multimedia & Design / Video
Publisher: DigitByte Studio, License: Shareware, Price: USD $29.99, File Size: 645.1 KB
Platform: Unknown

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Teardrop is an open-source meta-search engine.

Teardrop is an Open-Source meta-search engine. It can be used either as a standalone application, or deployed on an intranet. Its web based interface provides a way to query multiple search engines at the same time, and explore their results into a single Source.
- Portable, for Windows, Linux, Mac OS X
- Open-Source, under Apache 2.0 Licence.

Category: Internet / Web Search Utilities
Publisher: Olivier Coupelon, License: Shareware, Price: USD $0.00, File Size: 9.6 MB
Platform: Windows

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Open Course Timetabler is free and open source application for university and school course timetabling.

Open Course Timetabler is free and Open Source application for university and school course timetabling. It is written in C# and runs under .NET framework on Windows (and will likely run under Mono on Linux or Mac OS X). Download it for free from the sourceforge page

Category: Home & Education / Teaching Tools
Publisher: Open Course Timetabler, License: Shareware, Price: USD $0.00, File Size: 1.4 MB
Platform: Windows

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Open Paint is an open source image editor for all major operating systems.

Open Paint is an Open Source image editor for all major operating systems. The goal of this application is to create a simple to use image editor that has all the functionality an average computer user would need. This leaves GIMP and Paint.NET for profes

Category: Multimedia & Design / Image Editing
Publisher: openpaint.org, License: Freeware, Price: USD $0.00, File Size: 854.0 KB
Platform: Windows, Mac, 2K, Vista

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ZUploader is an open-source program that lets you upload images, texts, files in your clipboard to hosting services.

ZUploader is an Open-Source program that lets you upload images, texts, files in your clipboard to hosting services. The program also supports drag n drop. It uses the same uploader engines used in ZScreen, but designed for simplicity in mind. The term Open Source describes practices in production and development that promote access to the end product's...

Category: Utilities / Misc. Utilities
Publisher: ZUploader, License: Shareware, Price: USD $0.00, File Size: 1.3 MB
Platform: Windows

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Open Source Backup is a simple and fast backup application for Windows.

Open Source Backup is a simple and fast backup application for Windows. It provides base functionality for creating a reserve copy of files/folders and restoring them.

Category: Utilities / Backup
Publisher: backupmill.com, License: Freeware, Price: USD $0.00, File Size: 512.0 KB
Platform: Windows, Vista

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Ogg Codecs is a set of encoders and deocoders for Ogg Vorbis, Speex, Theora and FLAC.

Ogg Codecs is a set of encoders and deocoders for Ogg Vorbis, Speex, Theora and FLAC. Once installed you will be able to play Vorbis, Speex, Theora and FLAC files in Windows Media Player or any other Windows Directshow media player

Ogg Vorbis is an audio Compression format. It is roughly comparable to other formats used to store and play digital music, such as MP3, VQF,...

Category: Audio / Rippers & Encoders
Publisher: Xiph.org, License: Freeware, Price: USD $0.00, File Size: 2.5 MB
Platform: Windows

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License:  All 1 2 | Free