for project management, interactive Gantt, file sharing, integrated with Google Apps ThinkFree Online Calc – as part of the ThinkFree Office online office suite, using Java Airtable – a spreadsheet-database hybrid, with the features of a database but applied to a spreadsheet. Spreadsheets that are parts of suites Ability Office Spreadsheet – for MS Windows. Apple iWork Numbers, included with Apple's iWork '08 suite exclusively for Mac OS X v10.4 or higher. AppleWorks – for MS Windows and Macintosh. This is a further development of the historical Claris Works Office suite. WordPerfect Office Quattro Pro – for MS Windows. Was one of the big three spreadsheets (the others being Lotus 123 and Excel). EasyOffice EasySpreadsheet – for MS Windows. No longer freeware, this suite aims to be more user friendly than competitors. Framework – for MS Windows. Historical office suite still available and supported. It includes a spreadsheet. Google Sheets – as part of Google Workspace suite, supporting both offline and online editing. IBM Lotus Symphony – freeware for MS Windows, Apple Mac OS X and Linux. Kingsoft Office Spreadsheets 2012 – For MS Windows. Both free and paid versions are available. It can handle Microsoft Excel .xls and .xlsx files, and also produce other file formats such as .et, .txt, .csv, .pdf, and .dbf. It supports multiple tabs, VBA macro and PDF converting. Lotus SmartSuite Lotus 123 – for MS Windows. In its MS-DOS (character cell) version, widely considered to be responsible for the explosion of popularity of spreadsheets during the 80s and early 90s. Microsoft Office Excel – for MS Windows and Apple Macintosh. The proprietary spreadsheet leader. Microsoft Works Spreadsheet – for MS Windows (previously MS-DOS and Apple Macintosh). Only allows one sheet at a time. PlanMaker – for MS Windows, Linux, MS Windows Mobile and CE; part of SoftMaker Office Quattro Pro – part of WordPerfect Office StarOffice Calc – Cross-platform. StarOffice was originally developed by the German company Star Division which was purchased by Sun in 1998. The code was made open source and became OpenOffice.org. Sun continues developing the commercial version which periodically integrates the open source code with their own and third party code to make new low price versions. Stand alone spreadsheets As-Easy-As – from Trius, Inc.; unsupported; last MS-DOS and Windows versions available with free full license key. Multi-dimensional spreadsheets Javelin Lotus Improv Quantrix Financial Modeler Spreadsheets on different paradigms DADiSP