Alternatives open source

A free, open-source alternative to Burp Suite: an intercepting proxy and web app security testing suite with Repeater, Intruder, Collaborator and a built-in OWASP ZAP scanner. Linux, AGPL-3.0.

The open-source AI Operating System

Open source alternative to Claude artifacts.

Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.

The AI-assisted, open-source alternative to Notion and Confluence: a team wiki that lives in Git, with real-time editing, data tables, whiteboards, offline mode, and first-class AI agents. Live demo: https://demo.foliowiki.online

Claudemy: an open-source alternative to Udemy and Coursera. Give Claude a topic, it researches the web and builds a course of 2-minute audio lessons with cited sources. A free Claude Code skill.

Claudemy: an open-source alternative to Udemy and Coursera. Give Claude a topic, it researches the web and builds a course of 2-minute audio lessons with cited sources. A free Claude Code skill.

Open-source alternative to Codex, Devin, Claude Code, Higgsfield & Manus. A desktop AI coding agent IDE built on VS Code (Code - OSS): parallel agents, computer use, AI image & video. Use your Claude or ChatGPT subscription or your own API keys.

Devika is the first open-source implementation of an Agentic Software Engineer. Initially started as an open-source alternative to Devin.

An open source alternative to Divvy for macOS