Best Open Source Web Development Tools in 2026

Open Source Alternatives

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Open Source Alternatives

page-agent

stars 25.9Kforks 2.4K

AI-powered GUI Agent for your website

AI Agents Customer Support Workflow Automation+2

design.md

stars 25.7Kforks 2.1K

Generate UIs effortlessly with AI.

UI/UX Design AI Coding Assistant Low-code+1

deer-flow

stars 76.7Kforks 10.4K

Build super agents with DeerFlow's powerful framework

LLM AI Coding Assistant Developer Tools+2

meshery

stars 11.4Kforks 3.5K

Manage your Kubernetes and cloud native infrastructure

Kubernetes Cloud Native DevOps Tools+1

iptv

stars 131.3Kforks 7.3K

A collaborative database for TV channels

Video Developer Tools Social Media+2

freeCodeCamp

stars 451.3Kforks 45.4K

Join the FreeCodeCamp community and contribute!

Developer Tools Open Core Knowledge Management+2

iroh

stars 10.5Kforks 478

Connect devices seamlessly without relying on the cloud.

Infrastructure as Code Cloud Native Developer Tools+2

swc

stars 34.1Kforks 1.4K

Fast JavaScript/TypeScript compilation and bundling

Developer Tools

codegraph

stars 58.7Kforks 3.6K

Transform codebases into queryable knowledge graphs

AI Coding Assistant Knowledge Management Developer Tools+1

agentmemory

stars 24.8Kforks 2.1K

Persistent memory for AI coding agents

AI Coding Assistant Knowledge Management Developer Tools+1

Understand-Anything

stars 72.1Kforks 6K

Interactive knowledge graphs for codebases

Knowledge Management AI Coding Assistant Data Visualization+1

CLI-Anything

stars 45Kforks 4.2K

Empower AI agents with agent-native CLIs

CLI AI Agents Developer Tools

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