Makagiga 4.1.1 Beta proves itself to be a beneficial as well as interesting cross-platform application for doing a variety of tasks, such as todo listing, feed reading, text editing and simple image editing / viewing. Plugins are used to implement its various capabilities. 

Major Features:

1. To-do manager, notepad
2. Widgets (calendar, sticky notes, etc.)
3. Portable, versions for GNU/Linux, Windows, ...
4. Free and Open Source
5. Plugins (image viewer, RSS reader, and more) 

Enhancements: 

• Todo List:
• • Fixed column rendering in Substance Look and Feel
• Tree:
• • Fixed: Correctly validate maximum new file/folder name length
  • Properties Bar: Fixed annoying tool tip popups on bottom of the screen that blocked mouse input
• Feed Reader:
• • Wide List View: Hide filtered articles, show custom article colors
• Text/HTML Editor:
• • NEW: Superscript and Subscript support (see Edit menu and Designer panel)
  • Designer panel: Font chooser dialog, Highlight button
  • Fixed the default document CSS
• Image Viewer:
• • Added "F" keyboard shortcut (auto fit in window)
  • Fixed: Update scroll bars in all open documents after zoom in/out
• User Interface:
• • Improved color choosers (example: Note widget settings):
  • • "Swap Color" action
    • "Automatic Color" action
  • Nimbus Look And Feel: Custom font support (see Settings -> Advanced -> Look and Feel)
  • Improved support for Pgs Look and Feel
  • Substance Look And Feel: Better support for dark color themes
• Misc.:
• • Updated Polish translation
  • Improved built-in help; see Help -> Topics menu
  • Linux: Print colored logs to stderr (red errors, green infos, etc.)
  • Script editor: Show "Syntax Highlighting" install button
  • Tags menu: "Open All in Tabs" action for items with categories
  • Calendar panel: Improved current day indicator
  • Text editors: Paste plain text if HTML content is not available
  • Show widget names in "What's This?" (Shift+F1) mode
  • Simplified URL addresses in link buttons and tool tips
  • (http://example.com/ -> example.com)
  • Category preview in Category editor
  • Color choosers: Added "Android" color palette
  • Various bugfixes and minor improvements
• Console:
• • "clear" command: Do not remove command history (clear output and logs only)
• Source:
• • Updated and fixed unit test
• SDK:
• • Hide useless "heap memory" button 

Requirements:

• Java 7