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LibreCAD (originally QCad then CADuntu) is an open source 2D [[What_is_CAD|CAD]] application for Windows, Apple and Linux.
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LibreCAD (originally QCad then CADuntu) is an open-source 2D [[What_is_CAD|CAD]] application.
 
It is based on Qt, which is a leading cross-platform application and UI development framework.  
 
It is based on Qt, which is a leading cross-platform application and UI development framework.  
  
LibreCAD can read DWG files (and others) as of the latest [https://sourceforge.net/projects/librecad/files/Windows/NightlyBuilds/ Nightly build]. It writes DXF files, but can also export SVG, JPG, PNG, PDF and other files.
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LibreCAD can read DXF and DWG files (and others). It writes DXF files, but can also export SVG, JPG, PNG, PDF and other files.
 
It has layers, blocks, splines, polylines, ellipse tools, advanced tangent line & circle tools, transformation tools, an advanced snapping system and more.
 
It has layers, blocks, splines, polylines, ellipse tools, advanced tangent line & circle tools, transformation tools, an advanced snapping system and more.
 
Because LibreCAD focuses on 2D geometry it is fast and lightweight, with an installer of less than 30mb.
 
Because LibreCAD focuses on 2D geometry it is fast and lightweight, with an installer of less than 30mb.
  
This is the community site which provides semi-static documentation for [http://librecad.org LibreCAD] users and developers.
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If you want to contribute to this wiki, please visit the [[LibreCAD Wiki:Community portal]] page.
If you wish you get involved with this documentation effort, please visit the [[LibreCAD Wiki:Community portal]] page.
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Content is available under Creative Commons Attribution Share Alike.
 
Content is available under Creative Commons Attribution Share Alike.
  
If you wish you get involved in development, then head over to our [https://github.com/LibreCAD/LibreCAD GitHub repo] and get started!
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If you wish you get involved in development, then head over to our [https://github.com/LibreCAD/LibreCAD/wiki/Becoming-a-developer GitHub repo] and get started!
  
If you think you've found a bug or have an idea for an improvement, then head over to the [http://sourceforge.net/p/librecad/bugs/?source=navbar LibreCAD Tracker on Sourceforge] or the [https://github.com/LibreCAD/LibreCAD/issues github issues page].
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If you think you've found a bug or have an idea for an improvement, then head over to the [https://github.com/LibreCAD/LibreCAD/issues github issues page].
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If you have any questions or comments please visit our [http://forum.librecad.org/ forum] or chatroom on [irc://chat.freenode.net/librecad IRC at freenode.net].
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The latest stable release is 2.1.3.
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*[https://github.com/LibreCAD/LibreCAD/releases Releases]
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*[https://github.com/LibreCAD/LibreCAD/milestones Milestones]
  
Support is provided by our large dedicated community of users, contributors and developers.
 
You can join the community on our [http://forum.librecad.org/ forum] or live on [irc://chat.freenode.net/librecad IRC at freenode.net].
 
  
 
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*[https://sourceforge.net/projects/librecad/files/?source=navbar Download installers]
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*[[Download]]
*[https://sourceforge.net/projects/librecad/files/Windows/NightlyBuilds/ Windows Nightly builds]
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*[[Installation]]
*[https://sourceforge.net/projects/librecad/files/OSX/Nightly/ OSX Nightly builds]
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*[[Build from source|Build from source]]
 
*[https://github.com/LibreCAD/LibreCAD Source code]
 
*[https://github.com/LibreCAD/LibreCAD Source code]
 
*[[Part_Libraries|Part Libraries]]
 
*[[Part_Libraries|Part Libraries]]
*[[LibreCAD-2_Installation|LibreCAD Installation]]
 
*[[LibreCAD Installation from Source]]
 
  
 
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*[[User Interface]]
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*[[FAQ]]
 
*[[Calculator]]
 
*[[Calculator]]
 
*[[Properties]]
 
*[[Properties]]
 
*[[Relative Zero]]
 
*[[Relative Zero]]
 
*[[Snapping]]
 
*[[Snapping]]
*[[News]]
 
 
*[[Points]]
 
*[[Points]]
*[[Special:NewFiles|New Files]]
 
  
 
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*[http://forum.librecad.org/Announcements-f5707204.html Announcements]
 
*[http://forum.librecad.org/Announcements-f5707204.html Announcements]
 
*[[News|More News]]
 
*[[News|More News]]
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** [[GSoC_2015|Google Summer of Code Mentors and Students, 2015]]
 
** [[GSoC_2015|Google Summer of Code Mentors and Students, 2015]]
 
** [[GSoC|Google Summer of Code Check List]]
 
** [[GSoC|Google Summer of Code Check List]]
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** [[GCI_2016-17|Google Code-in 2016/17]]
 
*[[Editors]]
 
*[[Editors]]
 
*[[GUI Translators]]
 
*[[GUI Translators]]

Revision as of 00:16, 8 January 2017

Welcome to the LibreCAD Wiki!

Introduction

LibreCAD (originally QCad then CADuntu) is an open-source 2D CAD application. It is based on Qt, which is a leading cross-platform application and UI development framework.

LibreCAD can read DXF and DWG files (and others). It writes DXF files, but can also export SVG, JPG, PNG, PDF and other files. It has layers, blocks, splines, polylines, ellipse tools, advanced tangent line & circle tools, transformation tools, an advanced snapping system and more. Because LibreCAD focuses on 2D geometry it is fast and lightweight, with an installer of less than 30mb.

If you want to contribute to this wiki, please visit the LibreCAD Wiki:Community portal page. Content is available under Creative Commons Attribution Share Alike.

If you wish you get involved in development, then head over to our GitHub repo and get started!

If you think you've found a bug or have an idea for an improvement, then head over to the github issues page.

If you have any questions or comments please visit our forum or chatroom on IRC at freenode.net.

The latest stable release is 2.1.3.


Screenshot
LibreCAD line tools
Wiki Navigation
Get LibreCAD
Usage
Developers
Wiki Help
Related Web Pages
New Wiki Content
LibreCad News
Things We Need

Help Wanted. We welcome Open Source Developers to join us, to improve this free drawing tool in exciting fields such as:

  • Contribute to the wiki based on your accumulated knowledge. If you have figured out a feature in LibreCAD, please add to our wiki to help other users.
  • Implement more command line support for actions. Currently, there are many actions there without command line support, we need to complete this part of implementation and add the relevant documents.
  • Add support for native text based on Qt fonts. Right now, only stick fonts are supported. When the usage doesn't require stick fonts, native Qt fonts should be used for better multi-language support and efficiency
  • Implement a new and robust hatch generating algorithm
  • The current spline implementation is not efficient, we would like to replace it with a better spline implementation and add both spline and Bezier support as well, see Bezier
  • We have implemented new math support for hyperbola and parabola. Implementation support for hyperbola/parabola entities would make LibreCAD capable of doing all conic sections.
  • Feature tweaking and bug fixing for printing/painter
  • Refactor header files to speed up the building process, support for pch headers
  • Document writers to help building wiki and user manuals
  • Artists to create icon themes and GUI layout
  • Add support for macports and Windows 8
  • Quality Assurance, bug hunting
  • Please visit our feature request tracker on sf.net for more information: feature requests