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https://github.com/sagemathinc/cocalc

CoCalc: Collaborative Calculation in the Cloud
https://github.com/sagemathinc/cocalc

cloud coffeescript gap julia jupyter jupyter-notebook latex markdown mathematics mathjax nodejs octave pari postgresql python r sagemath terminal

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CoCalc: Collaborative Calculation in the Cloud

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README 

        
# CoCalc



#### _**Co**__llaborative_ _**Calc**__ulation_



CoCalc is web-based software that enables collaboration in research, teaching, and scientific publishing. It includes [Jupyter Notebooks](https://cocalc.com/features/jupyter-notebook), [Sage Worksheets](https://cocalc.com/features/sage), a [LaTeX Editor](https://cocalc.com/features/latex-editor) and a [Linux Terminal](https://cocalc.com/features/terminal) to help people work together in real time from different locations. It also has a [Computational Whiteboard](https://cocalc.com/features/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](https://cocalc.com/store). It can also be used for [teaching courses](https://cocalc.com/features/teaching) with flexible [course license options](https://cocalc.com/pricing/courses). It is also possible to run CoCalc [on your own infrastructure](https://cocalc.com/pricing/onprem).



**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](https://www.sagemath.org), [Julia](https://julialang.org), [R Statistics](https://cocalc.com/doc/r-statistical-software.html), [Octave](https://www.gnu.org/software/octave/), and much more. It also offers capabilities to author documents in [LaTeX](https://cocalc.com/doc/latex-editor.html), R/knitr and Markdown, storing and organizing files, a web-based [Linux Terminal](https://doc.cocalc.com/terminal.html), an [X11 graphical desktop](https://doc.cocalc.com/x11.html), and communication tools like a [chatrooms](https://doc.cocalc.com/chat.html), [course management](https://cocalc.com/doc/teaching.html) and more.  It is the best choice for [teaching remote scientific courses](https://cocalc.com/doc/teaching.html).



## Quick Start



1. Visit https://cocalc.com

2. Sign up for a free account

3. Create a new project

4. Choose a computational environment (e.g., Jupyter Notebook, Sage Worksheet, LaTeX Editor)

5. Start collaborating with others in real-time



## Key Features



- **Jupyter Notebooks**: Interactive Python, R, and Julia environments

- **Sage Worksheets**: Powerful mathematical computations

- **LaTeX Editor**: Collaborative document creation with real-time preview

- **Linux Terminal**: Full command-line access

- **Computational Whiteboard**: Visual collaboration and code execution

- **Course Management**: Tools for teaching and managing classes

- **Real-time Collaboration**: Work together seamlessly on projects

- **Version Control**: Built-in time travel and project history



## Website



- [CoCalc](https://cocalc.com/index.html) -- commercial CoCalc hosting and support

- [CoCalc user manual](https://doc.cocalc.com/) -- learn how to use CoCalc

- [Code GitHub repository](https://github.com/sagemathinc/cocalc) -- source code of CoCalc

- [CoCalc-Docker](https://github.com/sagemathinc/cocalc-docker) -- run CoCalc on your own computer (using Docker)

- [CoCalc mailing list](https://groups.google.com/forum/#!forum/cocalc) -- discuss CoCalc via email

- [CoCalc Discord server](https://discord.gg/nEHs2GK) -- chat about CoCalc



## Install CoCalc on your server or computer



You can obtain a packaged version of CoCalc for your own on-premises infrastructure: [**CoCalc Cloud**](https://doc-cloud.cocalc.com/).

It runs on Kubernetes and inherits the security and scalability of the SaaS platform.



### CoCalc Cloud



CoCalc Cloud runs on Kubernetes and inherits the security and scalability of the SaaS platform. To get started:



1. Visit https://cocalc.com/pricing/onprem for pricing information

2. Contact [email protected] to discuss deployment options

3. Prepare your Kubernetes cluster

4. Follow the deployment guide at https://doc-cloud.cocalc.com/

5. Configure your instance and start using your self-hosted CoCalc



### CoCalc-Docker (for smaller deployments or personal use)



1. Ensure Docker is installed on your system

2. Visit the CoCalc-Docker repository: https://github.com/sagemathinc/cocalc-docker

3. Follow the installation and usage instructions provided in the repository's README



For more detailed information on self-hosting options, please contact [email protected].



## History



_CoCalc_ was formerly called _SageMathCloud_.

It started to offer way more than just SageMath and hence outgrew itself.

The name was coined in fall 2016 and changed around spring 2017.



## Contributors



CoCalc is made possible by the hard work of many contributors. Our team includes mathematicians, computer scientists, and software engineers from around the world. Key contributors include:



- Greg Bard

- Rob Beezer

- Blaec Bejarano

- Keith Clawson

- Tim Clemans

- Andy Huchala

- John Jeng

- Jon Lee

- Simon Luu

- Andrey Novoseltsev

- Nicholas Ruhland

- Harald Schilly

- Travis Scholl

- Hal Snyder

- William Stein

- Jonathan Thompson

- Todd Zimmerman



... and others: See https://github.com/sagemathinc/cocalc/graphs/contributors



We welcome new contributions! If you're interested in contributing, please see our Contributing Guidelines (link to be added).



## Copyright/License



The copyright of CoCalc is owned by SageMath, Inc., and the source code

here is released under the **MICROSOFT REFERENCE SOURCE LICENSE (MS-RSL)**.



See the included file [LICENSE.md](./LICENSE.md) for more details.



None of the frontend or server dependencies of CoCalc are themselves GPL licensed;

they all have non-viral liberal licenses.



To clarify the above in relation to the "reference use":



- you can download the CoCalc source code at your organization

- you are allowed to read the source code and to inspect it

- you are allowed to enhance the interoperability of your product with CoCalc

- you are **not** allowed to compile and run the code



**If want to host your own CoCalc at your organization, please contact [[email protected]](mailto:[email protected]).**

In particular, [CoCalc OnPrem](https://cocalc.com/pricing/onprem) is designed for setting up an instance of CoCalc on-premises.



## Trademark



"CoCalc" is a [registered trademark](http://tsdr.uspto.gov/#caseNumber=87155974&caseType=SERIAL_NO&searchType=statusSearch) of SageMath, Inc.



## Development



The scripts [here](https://github.com/sagemathinc/cocalc/tree/master/src/dev) might be helpful.  We do most of our development of CoCalc on https://cocalc.com itself.  CoCalc requires pnpm version at least 9.



## Support and Community



- **User Manual**: https://doc.cocalc.com/

- **Mailing List**: https://groups.google.com/forum/#!forum/cocalc

- **Discord Chat**: https://discord.gg/nEHs2GK

- **Bug Reports**: https://github.com/sagemathinc/cocalc/issues

- **Commercial Support**: https://cocalc.com/pricing



## Acknowledgements



### Browserstack



We are grateful to BrowserStack for providing infrastructure to test CoCalc.




### Google



We thank Google for donating over \$150K in cloud credits since 2014 to support this project.