CoCalc

CoCalc

SageMath
+
+

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About

Teaching scientific software online. CoCalc is a virtual online computer lab: it takes away the pain of teaching scientific software. Every student works 100% online – inside their own, isolated workspace. Follow the progress of each student in real-time. At any time you can jump into a file of a student, right where they are working. Use TimeTravel to see each step a student took to get to the solution. Integrated chat rooms allows you to guide students directly where they work or discuss collected files with your teaching assistants. The project's Activity Log records exactly when and by whom a file was accessed. Forget any complicated software setup – everyone is able to start working in seconds! Since everyone works with exactly the same software stack, any inconsistencies between your and your students' environments are eliminated.

About

Google Colab is a free, hosted Jupyter Notebook service that provides cloud-based environments for machine learning, data science, and educational purposes. It offers no-setup, easy access to computational resources such as GPUs and TPUs, making it ideal for users working with data-intensive projects. Colab allows users to run Python code in an interactive, notebook-style environment, share and collaborate on projects, and access extensive pre-built resources for efficient experimentation and learning. Colab also now offers a Data Science Agent automating analysis, from understanding the data to delivering insights in a working Colab notebook (Sequences shortened. Results for illustrative purposes. Data Science Agent may make mistakes.)

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Teachers that want to teach scientific software online

Audience

Data scientists and AI researchers

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 4.5 / 5
ease 4.5 / 5
features 5.0 / 5
design 4.0 / 5
support 4.5 / 5

Reviews/Ratings

Overall 2.5 / 5
ease 3.6 / 5
features 3.1 / 5
design 4.0 / 5
support 2.6 / 5

Pros & Cons from Real Users

Pros

  • I like having realtime collaboration for everything, including file editing, Jupyter notebooks, terminals, X11, etc. Fully usable in web browser.
  • It's completely browser-based, so it can easy run on lower-end systems. Live-editing feature allows multiple users to work on the same code simultaneously without needing to refresh. Mobile version is also better than most other similar apps. It also allows installing of different python modules and packages, which makes it suitable for all kinds of projects.

Cons

  • There are many exciting features that still haven't been implemented.
  • The interface is definitely not the best. It is also difficult to organize or browse through the notebooks when you have large pieces of code.

Pros & Cons from Real Users

Pros

  • Cannot think of any positive apart from that one can login to the account. No positives as such! Pathetic product.
  • It is free or cheap and good for beginners. It offers a platform to start AI for those who don't have appropriate hardware in personal use.
  • Google Colab is absolutely great. It is so good, that some teachers of my otherwise Google-sceptical computer science department used to recommend it for projects in class as it basically does not need any initial setup and is completely free (the "basic" plan). One of the absolute highlights is the RISE-extension, which enables you to run snippets of code when in presentation mode, without having to switch windows. This really is a great way to present code.
  • Used to live up to their motto: one account to rule them all something something. Now it's 15 accounts to make things work.
  • It's online, it could be useful do do machine learning with high GPU computer. It's linked to Google Drive.

Cons

  • Taking the Google Colab pro subscription, the A100 GPU was almost never available. The T4 GPU used to disconnect in only 1-1.5 Hours making a joke of the GPU subscription.
  • It have been two days that I don't get any GPUs even though I paid for Pro. When I was a regular member I used to get those pretty consistently, maybe not fast and fancy, but at least I had something. Now I have nothing! I will not pay a penny any more and I don't case about quotas etc. You offer a deal, you hold to your promise. There was nothing about quotas in the offer that I went for!
  • You can't really make a virtual environment persist longer than for one session. Running the respective cell with all packages to be installed would take a few minutes at most though. The portability and ease of use of this web-based IDE makes up for this disadvantage. Another disadvantage is the limitation of RAM and computing power but this is hardly reached if you are "just" learning and doing prototyping. If you would want for example to train a somewhat bigger model, it could become very unhandy, as you'd have to do a lot of checkpoints (because you keep getting interrupted by Google every few hours) and memory reallocation, but I guess it would not be impossible. Another disadvantage is that resources are not guaranteed. Depending on the general load and on how much ressources you already used in the past, you can not be sure that you get computing power for your code for a longer time. Nevertheless, being able to use it in its basic version for no money is extraordinary and a huge step towards democratization of, for example AI.
  • Removed the ability to mount different drives to one Colab account thereby breaking entire university projects overnight with no warning. Beyond dumb.
  • - extremely slow - lot of crashes - not intuitive at all - poorly documented - bash and shell extremely horrible - no support for python 2.7

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

SageMath
Founded: 2004
United States
cocalc.com

Company Information

Google
Founded: 1998
United States
colab.research.google.com

Alternatives

Alternatives

Class

Class

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Categories

Categories

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Integrations

BLACKBOX AI
ClaimBuster
DagsHub
Gemma 2
Gemma 4
GitHub
Google Drive
Google Workspace
HyperCrawl
MinusX
Modelbit
MusicGen
Open Interpreter
Orpheus TTS
RagaAI
StrongDM
Universal Sentence Encoder
Visual Studio Code
Voxel51
neptune.ai
Claim CoCalc and update features and information
Claim CoCalc and update features and information
Claim Google Colab and update features and information
Claim Google Colab and update features and information