Aspose.Cells for Cloud - Aspose.Cells for Cloud is a REST based API for processing spreadsheets in the cloud.
SciDaVis - SciDAVis is a free application for Scientific Data Analysis and Visualization.
EtherCalc - EtherCalc is a web spreadsheet.
OriginPro - OriginLab OriginPro is a comprehensive interface-based data management platform that allows users to calculate or visualize the data insights in various fields like engineering, scientific domain, or multi-sector industrial stats.
SSuite Axcel Professional Spreadsheet - This powerful and professional spreadsheet has all the tools you need to calculate, analyse, summarize, and present your data in numerical reports or colourful graphics.
RStudio - RStudio™ is a new integrated development environment (IDE) for R.