Find Best Open Source Alternatives to Proprietary Software

Find the best open source alternative to popular SaaS tools. Explore 500+ free, community-driven software alternatives.

n8n faviconn8n

A powerful workflow automation platform that combines visual programming with AI capabilities, allowing users to create complex automations through a no-code interface.

169,620 stars
Last commit Jan 17, 2026

Langflow faviconLangflow

Langflow is a visual, drag-and-drop interface for building and prototyping AI flows and chatbots using large language models.

143,791 stars
Last commit Jan 17, 2026
mit

Dify faviconDify

Dify is an open-source platform for building production-ready AI applications with visual workflow builders, RAG pipelines, and comprehensive integrations.

126,260 stars
Last commit Jan 17, 2026

Open WebUI faviconOpen WebUI

Open WebUI is a user-friendly, self-hosted web interface for running and interacting with large language models locally.

120,986 stars
Last commit Jan 17, 2026

Excalidraw faviconExcalidraw

A virtual collaborative whiteboard tool for sketching hand-drawn like diagrams and wireframes with real-time collaboration capabilities.

114,631 stars
Last commit Jan 17, 2026
mit

Shadcn faviconShadcn

A collection of beautifully designed, accessible React UI components that can be copied and pasted into your apps

104,989 stars
Last commit Jan 17, 2026
mit

DeepSeek faviconDeepSeek

DeepSeek is an advanced AI language model platform offering open-source alternatives to ChatGPT and Claude, with superior inference speed and competitive performance.

101,148 stars
Last commit Aug 28, 2025
mit

Supabase faviconSupabase

Supabase is an open-source Firebase alternative providing a PostgreSQL database with a powerful suite of developer tools and APIs.

96,322 stars
Last commit Jan 17, 2026
apache-2.0

Immich faviconImmich

A self-hosted photo and video management solution that provides automatic backup, organization, and sharing of your media files with AI-powered features.

89,284 stars
Last commit Jan 17, 2026
agpl-3.0

Uptime Kuma faviconUptime Kuma

A self-hosted uptime monitoring tool that tracks website and service availability with real-time alerts and status pages.

81,534 stars
Last commit Jan 17, 2026
mit

Hoppscotch faviconHoppscotch

Hoppscotch is a lightweight, fast API development ecosystem with an intuitive interface for testing and developing APIs.

77,566 stars
Last commit Jan 16, 2026
mit

Firecrawl faviconFirecrawl

Firecrawl is a web scraping and crawling API that converts any website into clean, structured data ready for AI applications and automation workflows.

75,543 stars
Last commit Jan 17, 2026
agpl-3.0