There are numerous programs across various categories that provide opportunities for developers to create and sell extensions. Here’s a detailed list covering different domains:
Content Management Systems (CMS):
WordPress: A widely-used CMS with a vast ecosystem of plugins and themes. You can create plugins to enhance functionality or design themes for customization.
Joomla: Another popular CMS with extension possibilities. You can create components, modules, and plugins to extend Joomla’s capabilities.
Drupal: Known for its flexibility, Drupal allows you to create modules that add features or modify existing ones.
E-commerce Platforms:
WooCommerce: A WordPress plugin that transforms websites into fully-functional online stores. You can create extensions for payment gateways, shipping methods, and product features.
Magento: An open-source e-commerce platform that welcomes extensions for customizing the shopping experience, integrating third-party services, and optimizing performance.
PrestaShop: An easy-to-use e-commerce solution that allows developers to create modules for enhancing store features and improving user experience.
Web Development Frameworks:
Ruby on Rails: You can create gems to extend Rails’ functionality, adding features or modifying behavior for specific use cases.
Django: A high-level Python web framework that allows you to create reusable applications and plug them into different projects.
React: Although not a complete framework, React is a JavaScript library for building user interfaces. Developers can create reusable components and libraries for React applications.
DevOps and Infrastructure Tools:
Kubernetes: An open-source container orchestration platform. You can create custom controllers, plugins, and integrations to extend Kubernetes for specific needs.
Terraform: An infrastructure as code tool. You can create custom providers or modules to extend Terraform’s capabilities for managing diverse infrastructure.
Ansible: An automation tool for configuration management. You can create custom modules to extend Ansible for managing various systems and services.
Data Science and Machine Learning:
TensorFlow: An open-source machine learning framework. Developers can create custom models, layers, and integrations to extend TensorFlow for specific machine learning tasks.
scikit-learn: A machine learning library for Python. Developers can create custom algorithms or tools to extend scikit-learn’s capabilities.
Jupyter Notebook: An open-source web application for creating and sharing live code, equations, visualizations, and narratives. Developers can create extensions to enhance the interactive notebook environment.
Cybersecurity Tools:
Metasploit: An open-source penetration testing framework. Developers can contribute new modules, exploits, and auxiliary tools to extend Metasploit’s capabilities.
Snort: An open-source intrusion detection system. Developers can create custom rules, preprocessors, and plugins to extend Snort for specific network security needs.
OSSEC: An open-source host-based intrusion detection system. Developers can create custom decoders, rules, and analysis tools to extend OSSEC for enhanced host security.
Blockchain Projects:
Ethereum: A decentralized platform for building decentralized applications (DApps). Developers can create smart contracts and DApps to extend the Ethereum blockchain.
Bitcoin: The original cryptocurrency. Developers can contribute to the Bitcoin Core codebase or create tools and applications that interact with the Bitcoin network.
Hyperledger: An umbrella project for blockchain technologies. Developers can contribute to specific Hyperledger frameworks like Fabric or Sawtooth, or create extensions for interoperability.
Graphics and Design:
GIMP (GNU Image Manipulation Program): An open-source raster graphics editor. Developers can create plugins and scripts to extend GIMP’s image editing capabilities.
Inkscape: An open-source vector graphics editor. Developers can create extensions and plugins to enhance Inkscape’s vector illustration features.
Office and Productivity:
LibreOffice: A powerful and free office suite. Developers can create extensions to add new functionalities, integrate with external services, or enhance document processing.
ONLYOFFICE: An open-source office suite that includes document editing, project management, and CRM tools. Developers can create plugins to extend ONLYOFFICE’s capabilities.
Collaboration and Communication:
Mattermost: An open-source, self-hosted Slack alternative. Developers can create plugins to integrate with other tools, add custom chatbot functionality, or enhance collaboration features.
Rocket.Chat: A free and open-source team chat collaboration platform. Developers can create custom integrations, plugins, and bots to extend Rocket.Chat’s functionality.
Internet of Things (IoT):
Home Assistant: An open-source platform for smart home automation. Developers can create custom integrations, add-ons, and automations to extend Home Assistant’s compatibility with devices and services.
OpenHAB: An open-source home automation platform. Developers can create bindings, rules, and user interfaces to extend OpenHAB’s capabilities for smart home automation.
Game Development:
Godot Engine: An open-source game engine. Developers can create plugins, modules, and custom tools to extend Godot Engine for specific game development needs.
Blender: An open-source 3D creation suite. Developers can create scripts, addons, and plugins to enhance Blender’s modeling, animation, and rendering capabilities.
Education and E-Learning:
Moodle: An open-source learning platform designed to provide educators, administrators, and learners with a single robust, secure, and integrated system. Developers can create plugins and integrations to extend Moodle’s e-learning features.
Open edX: An open-source educational platform. Developers can create XBlocks, themes, and extensions to enhance the functionality of Open edX for online course delivery.
Healthcare and Medical Imaging:
DICOM Viewer (e.g., Orthanc, Cornerstone): Open-source DICOM viewers used for medical imaging. Developers can create plugins and extensions to enhance DICOM viewer features, integrate with PACS systems, or add custom image analysis tools.
OpenMRS: An open-source platform that provides the tools to develop and implement customized medical record systems. Developers can create modules and extensions to extend OpenMRS for specific healthcare needs.
Scientific Computing:
SciPy: An open-source library used for scientific and technical computing. Developers can contribute algorithms, optimizations, and extensions to enhance SciPy’s capabilities in numerical computing.
SymPy: An open-source symbolic mathematics library. Developers can create modules and extensions to extend SymPy’s functionality in symbolic algebra and calculus.
Robotics:
ROS (Robot Operating System): An open-source middleware framework for building robot software. Developers can create packages, drivers, and plugins to extend ROS for various robotic applications.
Gazebo: An open-source 3D simulation environment for robotics and autonomous systems. Developers can create plugins to simulate and test robotic systems in Gazebo.
GIS (Geographic Information System):
QGIS: An open-source cross-platform desktop geographic information system. Developers can create plugins and extensions to extend QGIS’s capabilities for spatial analysis, mapping, and data visualization.
Leaflet: An open-source JavaScript library for mobile-friendly interactive maps. Developers can create plugins and custom layers to enhance Leaflet’s mapping capabilities.
Audio and Music Production:
Ardour: An open-source digital audio workstation. Developers can create plugins, scripts, and extensions to enhance Ardour’s capabilities for recording, editing, and mixing audio.
LMMS (Linux MultiMedia Studio): An open-source digital audio workstation. Developers can create plugins and instrument presets to extend LMMS’s features for music production.
This extended list provides a diverse range of open source programs spanning different domains, offering developers opportunities to create and sell extensions in diverse fields. Depending on your expertise and interests, you can explore these projects to contribute and extend functionalities for specific user needs.