Business Functions 1.45
This Excel add-in has 500+ high-performance functions and is a comprehensive toolkit for business planning and analysis. It is designed to make financial models such as business plans and budgets faster to build, less error-prone, and easier to understand and maintain.
Version 1.45 has specific interfaces for both Excel 2007 and Excel 1997-2003.

FileAmigo
Design databases and reports for just about any situation in minutes, without technical skills! Use FileAmigo LE for projects, membership, prospect lists, maintenance schedules, event planning and more. Within minutes of installing FileAmigo LE, create a database, import data, add supporting data such as notes and action items, and create reports. Linked to MS Word for mail merges and MS Excel for spreadsheets.

Open Office
OpenOffice.org is both an open-source product and a project. The product is a multiplatform office productivity suite. It includes desktop applications such as a word processor, a spreadsheet program, a presentation manager, and a drawing program, with a user interface and feature set similar to those of other office suites. OpenOffice.org also works transparently with a variety of file formats, including those of Microsoft Office.

OpenProj
OpenProj is a free, open source desktop alternative to Microsoft Project. The OpenProj solution is ideal for desktop project management and is available on Linux, Unix, Mac or Windows. OpenProj is a complete desktop replacement of Microsoft Project and even opens existing native Project files. OpenProj shares the most advanced scheduling engine in the industry with Project-ON-Demand. The OpenProj solution has Gantt Charts, Network Diagrams (PERT Charts), WBS and RBS charts, Earned Value costing and more.

Task Coach
Task Coach is a simple open source to-do manager to manage personal tasks and to-do lists. It grew out of frustration that well-known task managers, such as those provided with Outlook or Lotus Notes, do not provide facilities for composite tasks. Often, tasks and other things todo consist of several activities. Task Coach is designed to deal with composite tasks.

TopSales Basic
TopSales provides sales automation, contact management, and e-mail processing for Internet marketing professionals. It can enhance sales productivity with contact management functions, mailing lists, and leads analysis. You can segment your contact database by demographic fields such as age, gender, zip code, job title, and so on. You can also categorize contacts by interest and create mailing lists based on common interests.