Spread SheetsRows.comMathesarIronCalcironcalc • Updated 2025 Aug 21 15:41LuckysheetFortuneSheetAmbsheetsAIsheet Spreadsheets and Small Software - nilenso blogPrabhanshu Gupta ...https://blog.nilenso.com/blog/2023/11/10/spreadsheets-and-small-software/Scaling our Spreadsheet Engine from Thousands to Billions of Cells - The Causal BlogCausal is a spreadsheet built for the 21st century to help people work better with numbers. Behind Causal's innocent web UI is a complex calculation engine - an interpreter that executes formulas on an in-memory, multidimensional database. The engine sends the result from evaluating expressions like Price * Units to the browser.https://www.causal.app/blog/scalingHow we verify the correctness of a spreadsheet engineDiscover how property-based testing can ensure software quality in complex systems like spreadsheets. Learn key strategies, including blackbox testing, invariants, and crash testing, to efficiently catch hidden bugs and improve software robustness.https://rowzero.io/blog/property-based-testing