Jarnal is an open-source cross-platform

Cross-platform

In computing, cross-platform, or multi-platform, is an attribute conferred to computer software or computing methods and concepts that are implemented and inter-operate on multiple computer platforms...

 notetaking

Notetaking

Notetaking is the practice of recording information captured from a transient source, such as an oral discussion at a meeting, or a lecture. Notes of a meeting are usually called minutes. The format of the initial record may often be informal and/or unstructured. One common format for such notes is...

 and sketching application similar to Windows Journal

Windows Journal

Windows Journal is a notetaking application, created by Microsoft and included in Windows XP Tablet PC Edition as well as Home Premium or superior editions of Windows Vista and Windows 7. It allows the user to create and organize handwritten notes and drawings and to save them in a JNT-File...

. It is written in Java

Java (programming language)

Java is a programming language originally developed by James Gosling at Sun Microsystems and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities...

.

Jarnal can be used with mouse or graphics tablet

Graphics tablet

A graphics tablet is a computer input device that enables a user to hand-draw images and graphics, similar to the way a person draws images with a pencil and paper. These tablets may also be used to capture data or handwritten signatures...

 for freehand notetaking or it can be used for annotating imported PDF files and other imported
pictures.
It has a feature for recording pen strokes and playing them back as an animation. Recordings can also be saved. Various tools exist for helping freehand usage like graph paper, ruler and arrow tool. Jarnal has handwriting recognition but it also accepts keyboard input for entering
text.
It supports collaborative writing; a feature that allows multiple authors to edit a single file in real time

Real-time computing

In computer science, real-time computing , or reactive computing, is the study of hardware and software systems that are subject to a "real-time constraint"— e.g. operational deadlines from event to system response. Real-time programs must guarantee response within strict time constraints...

 over a network.

Jarnal was created by David K. Levine and Gunnar Teege and it is in active development. Last version (9.99) was released in 15 Nov 2010.

See also

• Comparison of notetaking software
  Comparison of notetaking software
  -General features:-Formatted text features, others:-See also:* Comparison of web annotation systems...
  
  

Other open-source notetaking applications:

• Gournal (Linux)
• Xournal
  Xournal
  Xournal is a notetaking application written for Linux and other GTK+ platforms. It bears some similarity to Windows Journal, Jarnal and Gournal. It is designed to be used with either a stylus or a mouse...
  
   (Linux)
• NoteLab (cross-platform)