Open Source JavaScript Spreadsheet Software for Mac

CryptPad is an open-source, end-to-end encrypted collaborative office suite developed by XWiki SAS. It offers a privacy-focused alternative to mainstream cloud-based productivity tools, enabling users to create, edit, and share documents securely without compromising data privacy. All content is encrypted client-side, ensuring that only authorized users can access the information. CryptPad supports various applications, including rich text documents, spreadsheets, presentations, code editing, kanban boards, polls, and whiteboards, facilitating real-time collaboration among teams. Users can access CryptPad without creating an account, and the platform also offers self-hosting options for organizations seeking full control over their data.

EtherCalc is an open source, web-based spreadsheet that allows multiple users to collaborate and work remotely and in real time. Users can edit the same spreadsheet at the same time, with changes instantly reflected on screen. It accepts various mathematical formulae and other functions, and supports several default text formatting directives as well. It can be used for just about anything you’d need a desktop spreadsheet for-- accounting, inventory, scheduling, list management and so much more. EtherCalc is the improved successor to SocialCalc, optimized for simultaneous editing. It’s a great open source alternative to Google sheets, without pesky logins or editing locks.

PHPEditTable is a class which mimics a simple spreadsheet behaviour. It handles cell formatting as well as math expressions based on cells' addresses parsing. Works with complicated formulas, setting properties on cell/row/column/range/sheet level.

DocsFree is the first and only open source java-based Docs App Server. DocsFree is offered as an alternative to proprietary Docs solutions MS Office Online and Sharepoint, as well as to proprietary Docs SaaS offerings such as Google Docs.

Jspreadsheet CE is a lightweight Vanilla JavaScript data grid plugin to create amazing web-based interactive HTML tables, and spreadsheets compatible data grid with other spreadsheet software. You can create an online spreadsheet table from a JS array, JSON, CSV or XSLX files. You can copy from excel and paste straight to your Jspreadsheet CE spreadsheet and vice versa. It is very easy to integrate any third party JavaScript plugins to create your own custom columns, custom editors, and customize any feature into your application. Jspreadsheet CE has plenty of different input options through its native column types to cover the most common web-based application requirements. It is a complete solution for web data management. Create amazing applications with Jspreadsheet CE JavaScript spreadsheet.

The Objectsheet is a visual analytical tool for structured data that is less error-prone than a traditional spreadsheet. Instead of a "large grid of cells and scattered formulas", the Objectsheet uses finite-sized tables, Javascript objects, and templated formulas, formats, and styling, where you can easily add functionality using javascript code.

This is a standalone HTML/JavaScript application with which a manager can get an estimate of the costs involved with the deploymnent of 1) a conventional network, 2) a network with OSS based servers and 3) a network with OSS based servers and desktops.

SameDesk is a common workspace for web applications. Supporting applications written in AJAX, Java, Flash, & Server-generated HTML, it lets applications across domains work together for the users via a familiar window GUI delivered via web browsers.

Sheetster is a web-based spreadsheet editor and viewer. It can import and export the XLS and XLSX file formats and nearly the full range of Excel formula functions are supported. Most basic features are implemented as well as some of the more advanced ones. The user interface is written entirely in JavaScript and its server-side API is pure Java based on the OpenXLS spreadsheet engine. Neither the client nor the server needs Excel or any browser plugins. Sheetster is primarily intended for developers who want to integrate spreadsheets into their web applications. Towards that end it provides a server-side API for document storage connectors and a rich REST API for manipulating open spreadsheets. It can also be deployed stand-alone by a website administrator to provide spreadsheet editing with a rudimentary CMS.

An OpenSource Javascript Spreadsheet project based on Qooxdoo javascript framework. This component is also a part of X4View Java Framework (see www.reasonsphere.com)

Quite simply, SlickGrid is a JavaScript grid/spreadsheet component. It is an advanced component and is going to be a bit more difficult to learn and configure, but once you realize its full potential, it will blow your mind! SlickGrid utilizes virtual rendering to enable you to easily work with hundreds of thousands of items without any drop in performance. In fact, there is no difference in performance between working with a grid with 10 rows versus a 100’000 rows. This is achieved through virtual rendering where only what’s visible on the screen plus a small buffer is rendered. As the user scrolls, DOM nodes are continuously being created and removed. These operations are highly tuned to provide optimal performance under all browsers. The grid also adapts to the direction and speed of scroll to minimize the number of rows that need to be swapped out and to dynamically switch between synchronous and asynchronous rendering.

GelSheet is a free and open source web spreadsheet that allow users to create, edit and export in many formats your everyday work. It's intended to run either standalone or integrated within another web tool. It was born as a part of Opengoo web office

stylefmt is a tool that automatically formats CSS according to stylelint rules. stylefmt'd code is easier to write. Never worry about minor formatting concerns while hacking away. Easier to read, when all code looks the same you need not mentally convert others' formatting style into something you can understand. Easier to maintain, mechanical changes to the source don't cause unrelated changes to the file's formatting; diffs show only the real changes. Uncontroversial, never have a debate about spacing or brace position ever again! If you are using stylefmt with stylelint configuration to format according to its rules, you can now use stylelint's, fix option (from v7.11.0) to auto fix. On the other hand, prettier supports to format not only JavaScript but also CSS, SCSS, and Less code.

Full, scoped and component-friendly CSS support for JSX (rendered on the server or the client). Code and docs are for v3 which we highly recommend you to try. Looking for styled-jsx v2? Switch to the v2 branch. Blazing fast and optimized CSS rules injection system based on the CSSOM APIs. Full CSS support, no tradeoffs in power. Runtime size of just 3kb (gzipped, from 12kb). Complete isolation: Selectors, animations, keyframes. Built-in CSS vendor prefixing. Very fast, minimal and efficient transpilation. High-performance runtime-CSS-injection when not server-rendering. Future-proof, equivalent to server-renderable "Shadow CSS". Source maps support. Dynamic styles and themes support. CSS Preprocessing via Plugins. To skip scoping entirely, you can make the global-ness of your styles explicit by adding global. To make a component's visual representation customizable from the outside world there are three options.

Web-based spreadsheet-like application written in PHP and uses dynamic and interactive user's interface written in JavaScript with jQuery library. Data based on XML.

This is a lightweight Excel development library built on Web(es6) canvas. These parameters are loaded in the first instantiation, and can also be set later, but it is recommended to modify and load in advance the changes that you need to change. You can adjust the number of columns displayed by default len, AZ, the default width of each column, the default width widthof the left sequence column indexWidth, and the default minimum width of each columnminWidth. You can adjust the style of table rendering. Some of the features include undo and redo, paint format, clear format, format, font, font size, font bold, font italic,, underline, strike, text color, fill color, borders, merge cells, align, text wrapping, freeze cell, functions, resize row-height, col-width, copy, cut, paste, autofill, insert row, column, delete row, column, hide row, column, multiple sheets, print, and data validations.