Free and open source softwares for professionals
Project management, drawing, image editing, collaborative tools, web design, what are the free and open source alternatives to the popular commercial software?
Alternatives to Microsoft Project and VisualProjet: GanttProject
This software allows you to control several critical aspects relating to project management: human resource management, task management, financial analysis, etc. .
Multiplatform and free, it also allows you to create Gantt charts and provides limited compatibility with Microsoft Project (import/export projects).
Windows, Linux and MacOS compatibility. Libreplan
LibrePlan is a free project management (web)application.
It allows you to plan and track projects (human and material resources), define activities, estimate the working time, track costs (categories, expenses, timesheets), make Gantt charts and generate custom reports .
Libreplan: http://www.libreplan.com/ Word processing , spreadsheet and presentation
Free alternatives exist for Microsoft Word, Excel and PowerPoint applications:
Vector drawing, CAD, image editing and 3D modeling
This is the vector drawing module from LibreOffice office suite. It is a partial alternative for proprietary softwares such as CorelDraw and Adobe Illustrator.
Key features include: handling simple graphic shapes (geometric figures), the use of layers and objects, compatibility with the common image formats ( png, jpeg, tiff, etc.).
Compatibility: Windows XP , Mac and Linux. LibreCAD
LibreCAD is an alternative to proprietary CAD software such as Autocad.
This Open Source 2D modeling tool can be used to produce technical drawings, construction documentation and technical drawings. It is based on an intuitive interface and layers to make quick corrections projects.
Windows, Mac and Linux compatibility.
Download LibreCAD Gimp
Gimp is free and open source alternative to Adobe Photoshop.
It includes tools for image editing and freehand drawing (pencil, brush, airbrush, cloning tool).
It offers various selection tools: rectangle, ellipse, freehand, color ....etc
It is also compatible with the popular image formats (GIF, JPEG , PNG, XPM , TIFF , TGA , MPEG, PS , PDF , PCX , BMP , etc.).
The functionality of GIMP can be extended through plugins.
Windows , Mac and Linux compatibility.
Download Gimp Blender
Blender is a 3D modeling, animation and rendering software intended for professionals.
Compatibility: Windows ( XP, Vista, 7 and 8), Mac and Linux
Download Blender Groupwares
Free and Open Source alternatives to Microsoft Exchange and Lotus Notes Open-Xchange
Open -Xchange is an application suite accessible via a web interface that allows users to store, organize and share appointments, tasks, emails, links and documents. Other solutions
PeaZip is a free compression and archiving software (an alternative to WinRar and WinZip).
It can compress any type of files into different formats (Zip, 7z, TAR ... )
Compatibility: Windows and Linux.
Download PeaZip. Web editors
Download Komodo Edit.
Compatible with Windows, Mac and Linux. BlueGriffon
BlueGriffon is a free WYSIWYG Web editor. It allows you to create webpages with minimal knowledge of HTML and CSS.