Best Open Source Web Development Software 2026

Web Development Software

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Browse free open source Web Development software and projects for Mac and Linux below. Use the toggles on the left to filter open source Web Development software by OS, license, language, programming language, and project status.

Auth0 for AI Agents now in GA
Ready to implement AI with confidence (without sacrificing security)?

Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.

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Context for your AI agents
Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.

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1

Aksara

Aksara help PHP Programmer to build an awesome app!

Aksara is a CodeIgniter based CRUD Toolkit that you can use to build complex applications become shorter, secure and more reliable in just a few lines of code. Serving both CMS or Framework, produce both HEADLESS (RESTful API) or TRADITIONAL (Browser Based) output just by writing in single controller. Yet it's reusable, scalable and ready to use!

Downloads: 3 This Week

Last Update: 2025-12-25
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2

Fire Page Editing

Rapid Page Manipulator

Inject HTML, CSS or JavaScript into any web-page. The changes you make are applied everytime you visit the specified website(s). **How to use?** - Simple, First open the extension. - Choose 'JavaScript', 'CSS' or 'HTML'. - Create a new file by pressing 'new'. - Write your own code. - Press the 'Manipulate' button to test your code. - To make sure your code is run every time you visit a specific website do the following: - Put the URLs of the websites in the 'active websites' textarea. - Check the 'active' checkbox. - Reload the page to make sure it works.

Downloads: 0 This Week

Last Update: 2022-10-05
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3

form generator alfa version 1.0

Form generator for generating and validating your form in 10 minute in 5 step process. FormGenerator is an easy-to-use tool to create reliable and efficient web forms in few steps. No programming of any sort is required.

Downloads: 0 This Week

Last Update: 2013-04-16
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