Excel
Add-Ins, Consultants, Data Recovery, Help, A Way to Excel, Addix, Alan's Excel Page, Anthony's VBA Page, Archives of Excel-G, Archives of Excel-L, David McRitchie's -- My Excel Macros, Excel Charting and Other Stuff, Excel Tips, Excel VBA Examples
Lotus 1-2-3
Lapsoft Software and Systems, Learning Lotus 1-2-3 Version 5.0 for Windows, Lotus 1-2-3, Spreadsheet World
3D-Calc
Proposes a free three-dimensional spreadsheet program for Atari ST computers.
eMiddleware
Provides spreadsheet technology to work with established systems. Company information and product description. In Germany and the UK.
European Spreadsheet Risks Interest Group
Promotes research regarding the extent and nature of the problem of spreadsheet risks.
GS-Calc
Offers 512 columns and 2,097,152 rows, hierarchically organized worksheets, 2D and 3D charts, unlimited undo/redo, OLE client/server and COM functions. Description and screenshots of the program, online ordering.[Win9x/ME/2000/XP]
Mariner Calc
For the Mac, version 9 or X. Description of the product, presentation of the company.
mySpreadsheet:
Offers a multi-user, web-based spreadsheet system. Online demo and presentation of the company.
Sharp Tools Software
Proposes a Java, Excel-compatible spreadsheet.
Spreadsheet Programming Help
Provides programming and design support and training.
Spreadsheet Tools and Their Producers
List of spreadsheets tools and books and their authors.
Spreadsheets Frequently Asked Questions
FAQ of the comp.apps.spreadsheets usenet newsgroup.
The Spreadsheet Page
Spreadsheet help, history, links, and even illustrated jokes. Files, FAQs, and release list for Excel, Lotus 1-2-3, and Quattro Pro, but mostly Excel. By John Walkenbach (JWalk and Associates), author of the spreadsheet column for PC World magazine.
Village Software
Offers pre-programmed, template, business and financial solutions to all major office suites. Presentation of the company, ordering ans contact information.
VisiCalc
One of the first "killer apps" for personal computers. Information from its creators, Dan Bricklin and Bob Frankston.
Visual Baler Spreadsheet Compiler
Create windows applications from spreadsheets without programming.