RedNotebook, a modern journal : It includes a calendar navigation, customizable templates, export functionality and word clouds. You can also format, tag and search your entries. (Free Software under the GPL.
An open-source GUI prototyping tool that's available for ALL platforms. Pencil is built for the purpose of providing a free and open-source GUI prototyping tool that people can easily install and use to create mockups in popular desktop platforms.
Omniscient Comparison Site AppCrawlr Bought By Softonic