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.

99.99% Uptime for MySQL and PostgreSQL Databases
Sub-second maintenance. 2x read/write performance. Built-in vector search for AI apps.

Cloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.

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Train ML Models With SQL You Already Know
BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

Build and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.

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1

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: 39 This Week

Last Update: 3 days ago
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2

Seditio

Seditio CMS

Seditio is a modular content management system and content management framework powered by PHP and MySQL. The engine distinguishes itself from other content management systems by keeping the HTML code completely separate from the PHP. This allows graphic designers to create skins without having to know much PHP. Seditio can be skinned by editing pre-made skins supplied by the community, or easily making one's own by creating a template, and simply substituting for the TPL tags. To install Seditio you need the following server software pre-installed: - WWW Server (Apache, nginx, etc) - PHP 5.4.0 or higher - MySQL 5.0.7 or higher - Server configuration You MUST ensure that PHP has been compiled with support for: - GD - Hash - Mbstring - MySQL - PCRE - Sessions

1 Review

Downloads: 2 This Week

Last Update: 2025-11-13
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3

Precurio Intranet Portal (v2) [UPDATE]

Intranet | Document Management | Workflow Automation

********* THIS PROJECT HAS BEEN CLOSED ****************** We are still in the business of providing an open platform for intranet collaboration and business process automation; BUT it is no longer free. (see details here: http://www.precurio.org/forums/showthread.php?tid=45414 ) Please visit our website. Thanks.

2 Reviews

Downloads: 0 This Week

Last Update: 2016-09-24
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4

WordPress Form Maker(Builder) plugin

Form Maker

WordPress Form Maker plugin is a good tool for websites owners . This plugin have a lot of functionality and allow you to create forms without any problem .

Downloads: 0 This Week

Last Update: 2013-05-30
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MongoDB Atlas runs apps anywhere
Deploy in 115+ regions with the modern database for every enterprise.

MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.

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5

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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