Python Tutor helps people overcome a fundamental barrier to learning programming: understanding what happens as the computer executes each line of a program's source code.
Cost / License
- Free
- Proprietary
Platforms
- Online
- Self-Hosted
United States

Python Tutor helps people overcome a fundamental barrier to learning programming: understanding what happens as the computer executes each line of a program's source code.

Termix is an open-source forever free self-hosted SSH (other protocols planned, see Planned Features) server management panel inspired by Nexterm. Its purpose is to provide an all-in-one docker-hosted web solution to manage your servers in one easy place.


Blaze is a file sharing progressive web app(PWA) that allows users to transfer files between multiple devices. It works similar to SHAREit or the Files app by Google but uses web technologies to eliminate the process of installing native apps for different devices and operating...



KolibriOS is a tiny yet incredibly powerful and fast operating system. This power requires only a few megabyte disk space and 8MB of RAM to run. Kolibri features a rich set of applications that include word processor, image viewer, graphical editor, web browser and well over 30...




artoo.js is a piece of JavaScript code meant to be run in your browser's console to provide you with some scraping utilities.

Dokploy is a free self-hostable Platform as a Service (PaaS) that simplifies the deployment and management of applications and databases.




ClassQuiz is a quiz-application like KAHOOT!, but open-source which is very important if it is a product for educational purposes. You can create quizzes and play them remotely with other people. It is mainly made for teachers, who create a quiz, so students can compete with...





MVC web framework for Node.js enabling server-side web development with a stable ecosystem, modular service providers, and an expressive, consistent API.

e2ee-cloud is a open source, self-hosted, end-to-end encryption software. You can upload and download files in your browser. All files and folders will be encrypted before upload and decrypted after download.

Tired of the roblox tyranny and greed? The Novetus community game is the solution! Novetus was made to improve on RBXLegacy, with the addition of new features that enhance the launcher for mod development, player customization, and overall usability.




InvoiceShelf is an open-source web & mobile app that helps you track expenses, payments & create professional invoices & estimates.




BlueSpice is your tool for documentation and centrally collecting and sharing knowledge. BlueSpice turns Wikipedia’s popular software engine MediaWiki into a fully-fledged EnterpriseWiki solution.




Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.




Pétrolette is a news reading home page, Free, Libre, and Open-Source Software. It is immediately usable without registration with the same URL on the desktop or a mobile device.

Foreman is an open source project that helps system administrators manage servers throughout their lifecycle, from provisioning and configuration to orchestration and monitoring. Using Puppet or Chef and Foreman's smart proxy architecture, you can easily automate repetitive...



BentoML is a framework for building reliable, scalable, and cost-efficient AI applications. It comes with everything you need for model serving, application packaging, and production deployment.



nospeak is a decentralized Nostr chat client for secure, private messaging. It is easy to use but has state of the art end-to-end encryption without metadata leakage.



An industry-standard container runtime with an emphasis on simplicity, robustness and portability
Deployer is a deployment tool written in PHP, it's simple and functional. Deploy your code to all servers you want, it supports deploy via copy, or via VCS (like git), or via rsync. Run your tasks on all your servers, or use our recipes of common tasks for Symfony, Laravel...

October is a self-hosted CMS platform based on the Laravel PHP Framework. Thousands of digital studios and freelancers all over the world love October for its simplicity, flexibility and modern design. Their clients are happy, because October saves them both time and money.
