Keikai Spreadsheet

Keikai is an open source online spreadsheet that transforms Excel files into web applications effortlessly. It offers a true Excel experience with 330 built-in formulas, 61 table styles, charting, conditional formatting, and data validation. Keikai allows zero-code UI design by letting business end users build interfaces in Excel, reducing development efforts. It integrates seamlessly with databases, SSO, and other services via a comprehensive Java API. Keikai is embeddable in web apps, supports collaboration, security features, and is freely available under GNU GPL3.

platform:web platform:chrome platform:firefox platform:safari platform:ie11 pricing:open-source form:web-app feature:excel-compatible feature:collaboration feature:zero-code feature:integration-api feature:charting feature:conditional-formatting feature:data-validation feature:security feature:embedded target:developers target:business-users use-case:data-analysis use-case:productivity use-case:integration