Best Open Source Web Development Software 2026

Web Development Software

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Browse free open source Web Development software and projects for Windows 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.

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All-in-one security tool helps you prevent ransomware and breaches.
SIEM + Detection and Response for IT Teams

Blumira’s detection and response platform enables faster resolution of threats to help you stop ransomware attacks and prevent data breaches. We surface real threats, providing meaningful findings so you know what to prioritize. With our 3-step rapid response, you can automatically block known threats, use our playbooks for easy remediation, or contact our security team for additional guidance. Our responsive security team helps with onboarding, triage and ongoing consultations to continuously help your organization improve your security coverage.

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1

Tiki Wiki CMS Groupware

The Free / Libre / Open Source Web App with the most built-in features

"Software made the wiki way" A full-featured, web-based, tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP, MySQL, Zend Framework, jQuery and Smarty. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge base, intranets, and extranets. Tiki is the Open Source Web Application with the most built-in features. Highly configurable and modular, all features are optional and administered via a web-based interface. Major features include a wiki engine, news articles, discussion forums, newsletters, blogs, file galleries, bug and issue trackers (form generator), polls/surveys and quizzes, banner management system, calendar, maps, mobile , RSS feeds, category system, tags, an advanced themeing engine, spreadsheet, drawings, inter-user messaging, menus, advanced permission system for users and groups, search engine, external authentication, etc. Security reports: https://security.tiki.org

52 Reviews

Downloads: 86 This Week

Last Update: 2025-11-28
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2

Bluefish

Bluefish is a powerful editor for experienced web designers and programmers. Bluefish supports many programming and markup languages, but it focuses on editing dynamic and interactive websites.

45 Reviews

Downloads: 32 This Week

Last Update: 5 days ago
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3

Nof

A modern color palette generator

A modern color palette generator that lets you effortlessly create a complete color palette from just one base color. Made using Firebase Studio, Next.js, and Perplexity. GitHub repository: https://github.com/Northstrix/nof Live app: https://nofpg.netlify.app/

Downloads: 0 This Week

Last Update: 2025-10-31
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4

online_users

Displays statistical information about those logged into your Web page

Displays a box containing statistical information about those logged into your Web page. Content can be displayed in the current or all languages where languages are available.

Downloads: 0 This Week

Last Update: 2024-12-27
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Free and Open Source HR Software
OrangeHRM provides a world-class HRIS experience and offers everything you and your team need to be that HR hero you know that you are.

Give your HR team the tools they need to streamline administrative tasks, support employees, and make informed decisions with the OrangeHRM free and open source HR software.

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