Office

Calculators

• SpeedCrunch Portable - an intuitive algebraic calculator

Desktop Publishing

• Scribus Portable - desktop publishing

Diagramming

• Dia Portable - full-featured diagramming tool

Document Viewers

• Evince Portable - document viewer (pdf, ps, djvu, tiff, dvi)
• Foxit Reader Portable (Freeware) - small and fast PDF reader
• Sumatra PDF Portable - a lightweight PDF viewer
• WinDjView Portable - a lightweight DjVu viewer

Financial

• Finance Explorer Portable (Freeware) - personal financial management
• GnuCash Portable - accounting, expenses and financial management
• Money Manager Ex Portable - easy-to-use personal finance software

Journaling

• RedNotebook Portable - modern journal and diary

Office Suites

• LibreOffice Portable - word processor, spreadsheet, presentations with excellent compatibility
• OpenOffice.org Portable - word processor, spreadsheet, presentations with Microsoft compatibility

Organization

• Lightning Extension (for Thunderbird) - A lightweight extension for your calendar and tasks
• Mozilla Sunbird, Portable Edition - Calendar and task management with a familiar interface
• Task Coach Portable - to do list and task manager
• The Guide Portable - two-pane outliner
• ToDoList Portable - customizable task management
• Mozilla Thunderbird, Portable Edition (Address Book) - Simple address book with import/export

Other

• PDFTK Builder Portable - split, collate, watermark and password protect PDF documents
• PNotes Portable - sticky notes to go
• Stickies Portable (Freeware) - lightweight sticky notes

Presentations

• LibreOffice Portable Impress - easy to use presentation tool, a part of this office suite
• OpenOffice.org Portable Impress - a solid presentation tool is built into this office suite

Spreadsheets

• Gnumeric Portable - full-featured spreadsheet
• LibreOffice Portable Calc - complete spreadsheet is a part of this office suite
• OpenOffice.org Portable Calc - a complete spreadsheet is built into this office suite

Word Processors

• AbiWord Portable - a lightweight word processor compatible with Microsoft Word files
• FocusWriter Portable - distraction-free word processor
• LibreOffice Portable Writer - full-featured word process built into the office suite
• OpenOffice.org Portable Writer - a full-featured word processor is built into this office suite