Sagemathinc Cocalc Deepwiki

Leo Migdal

-Nov 17, 2025, 1:20 AM

This document provides a comprehensive introduction to the CoCalc codebase architecture. CoCalc (Collaborative Calculation) is an integrated web-based platform for collaborative computational mathematics, scientific computing, and document editing with real-time synchronization capabilities. For detailed information about specific subsystems, refer to the corresponding wiki pages for System Architecture, Frontend Architecture, Data Synchronization, Frame Editors, and Compute Server System. CoCalc provides a collaborative environment for various computational documents including Jupyter notebooks, code editors, terminals, LaTeX documents, and specialized tools like whiteboards. The platform supports real-time multi-user editing with synchronized views and computational capabilities through various backends (Python, SageMath, R, etc.). CoCalc follows a distributed microservices architecture with several key components that work together to provide a seamless collaborative experience:

CoCalc is organized as a monorepo with multiple interdependent packages. Each package has a specific role in the system: There was an error while loading. Please reload this page. This is a rather loose collection of pages. A more structured documentation is the CoCalc User Manual.

The FAQ/Help Portal - This is the main portal for FAQ/Help pages. From it, you can reach these pages: How to Install Sage on your personal computer SageMath help in a language other than English: You can go to http://doc.sagemath.org/ where there are links to many documents in HTML and PDF formats, written in ten (!) different languages (eleven if you... CoCalc (for "Collaborative Calculation in the Cloud") is an online platform which gives access via the web to virtual machines running a full Ubuntu GNU/Linux system, with lots of free software pre-installed, especially for... CoCalc also has collaboration features which lets users edit collaboratively any type of document (text, markdown, TeX/LaTeX, calculation worksheets...).

CoCalc also offers course management functionality, letting users create a class, send handouts, send and collect assignments, send out grades... CoCalc is provided by the company "SageMath, Inc.", founded by William Stein to raise money in order to support the development of SageMath (the free software for mathematics that this wiki is about). CoCalc was initially launched under the name SageMathCloud, and hosted at cloud.sagemath.com which now redirects to cocalc.com. In terms of domain names, sagemath.com is for the company "SageMath, Inc.", while sagemath.org is for the SageMath software. CoCalc is web-based software that enables collaboration in research, teaching, and scientific publishing. It includes Jupyter Notebooks, Sage Worksheets, a LaTeX Editor and a Linux Terminal to help people work together in real time from different locations.

It also has a Computational Whiteboard for expressing and sharing ideas and running code. It is available for free and can be upgraded for internet access, better hosting quality, and other features. It can also be used for teaching courses with flexible course license options. It is also possible to run CoCalc on your own infrastructure. CoCalc supports sophisticated calculations that arise in teaching, research, and authoring documents. This includes working with the full data science and scientific Python stack, SageMath, Julia, R Statistics, Octave, and much more.

It also offers capabilities to author documents in LaTeX, R/knitr and Markdown, storing and organizing files, a web-based Linux Terminal, an X11 graphical desktop, and communication tools like a chatrooms, course management and more. It is the best choice for teaching remote scientific courses. Choose a computational environment (e.g., Jupyter Notebook, Sage Worksheet, LaTeX Editor) Start collaborating with others in real-time Jupyter Notebooks: Interactive Python, R, and Julia environments This document describes the build system and development workflow for the CoCalc codebase.

It covers how to build the code, the tools used, the package management system, and the development process. For information about system architecture and components, see System Architecture. CoCalc uses a monorepo structure with multiple packages managed by pnpm workspaces. The build system combines TypeScript, CoffeeScript, and Rspack (a Rust-based Webpack alternative) to compile and bundle the codebase. Sources: src/package.json7-9 src/packages/frontend/package.json203-206 src/packages/static/package.json18-23 CoCalc uses pnpm for package management with workspaces to handle inter-package dependencies.

Sources: src/packages/pnpm-lock.yaml20-1005 src/packages/frontend/package.json37-181 src/packages/hub/package.json9-74 CoCalc: Collaborative Calculations and Data Science CoCalc (formerly called SageMathCloud) is a web-based cloud computing (SaaS) and course management platform for computational mathematics. It supports editing of Sage worksheets, LaTeX documents and Jupyter notebooks. CoCalc runs an Ubuntu Linux environment that can be interacted with through a terminal, additionally giving access to most of the capabilities of Linux.[2] CoCalc offers both free and paid accounts.

Subscriptions starting at $14/month provide internet access and more storage and computing resources. One subscription can be used to increase quotas for one project used by multiple accounts. There are subscription plans for courses. Over 200 courses have used CoCalc.[3] CoCalc directly supports Sage worksheets, which interactively evaluate Sage code. The worksheets support Markdown and HTML for decoration, and R, Octave, Cython, Julia and others for programming in addition to Sage.

CoCalc supports Jupyter notebooks, which are enhanced with real-time synchronization for collaboration and a history recording function. Additionally, there is also a full LaTeX editor, with collaboration support, a preview of the resulting document and also support for SageTeX. With its online Linux terminal, CoCalc also indirectly supports editing and running many other languages, including Java, C/C++, Perl, Ruby, and other popular languages that can be run on Linux. Other packages can be installed on request.[2] Users can have multiple projects on CoCalc, and each project has separate disk space and may be on an entirely different server. Many users can collaborate on a single project, and documents are synced, so multiple users can edit the same file at once, similar to Google Docs.[4] All the data on projects is automatically backed...

Through the terminal, files can be tracked using revision control systems like Git. CoCalc is operated by SageMath Inc. The creator and lead developer of CoCalc is William Stein, a former professor of mathematics at the University of Washington who also created the Sage software system. Initial development was funded by the University of Washington and grants from the National Science Foundation and Google. Now CoCalc is mostly funded by paying users. It is intended as a replacement for sagenb, which also let users edit and share Sage worksheets online.[5]

The Chat System in CoCalc provides real-time messaging capabilities throughout the platform, enabling users to communicate, collaborate, and interact with AI language models. This document covers the architecture, components, and functionality of the chat system, including standalone chat rooms, side chat panels, and chat elements within whiteboards. Sources: src/packages/frontend/chat/message.tsx1-1062 src/packages/frontend/chat/actions.ts1-200 src/packages/frontend/chat/types.ts1-86 The Chat System is built on a real-time synchronization architecture that enables instant collaboration between users. It integrates with CoCalc's core infrastructure components including the NATS messaging system and user management. The chat system uses a reactive architecture where:

Sources: src/packages/frontend/chat/actions.ts60-150 src/packages/frontend/chat/store.ts1-40 src/packages/frontend/chat/register.ts1-68 There was an error while loading. Please reload this page. See this guide for how to build Sage from source on serious compute resources. In particular, use a compute server for Sage development, since it will have enough disk space and CPU to make the experience good. For more information about the general Sage development process, see the Sage Developer's Guide, which should mostly apply on CoCalc.

A more structured documentation is the CoCalc User Manual. For further questions, please contact us.

Sagemathinc Cocalc Deepwiki

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