Best Open Source Products in 2025

Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.

Key X (Twitter) features:

Real-Time Updates Wide Reach Engagement Tools Hashtags

PhotoPrism® is an AI-Powered Photos App for the Decentralized Web. It makes use of the latest technologies to tag and find pictures automatically without getting in your way. You can run it at home, on a private server, or in the cloud.

Key PhotoPrism.app features:

Open Source Privacy Advanced Search No Vendor Lock-in

Open Source freemium

LiveSession helps you analyze users’ behavior, improve UX, find JS bugs, and increase conversion rates using session replays, and event-based product analytics.

Key LiveSession features:

Session Replay Filters Segmentation Custom data

Try for free freemium $99.0 / Monthly (10k sessions / unlimited users / 1-month data retention)

Now when you go to https://vscode.dev, you'll be presented with a lightweight version of VS Code running fully in the browser.

Key vscode.dev features:

Accessibility No Installation Required Cross-Platform Compatibility Regular Updates

Simple, trustworthy website analytics (finally).

Key Fathom Analytics features:

Privacy-Focused Simplicity Fast Setup Lightweight Script

Open Source $14.0 / Monthly (100,000 Pageviews)

Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!

Key Mastodon features:

Decentralization User Control Ad-Free Open Source

Plausible Analytics is a simple, open-source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics. Made and hosted in the EU, powered by European-owned cloud infrastructure 🇪🇺 .

Key Plausible.io features:

Privacy-focused Simple to Use Lightweight Open-Source

Open Source paid Free Trial $9.0 / Monthly (10,000 pageviews)

Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.

Key Piwigo.org features:

Open-source Community Support Multi-format Support Scalable

Open Source

Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.

Key Facebook features:

Wide User Base Versatile Communication Platform Effective Advertising Event Planning

React library, 60+ hooks and components with dark theme support and focus on accessibility.

Key Mantine features:

Component Library Customizability Themable TypeScript Support

Open Source

Matomo is an open-source web analytics platform.

Key Matomo features:

Open Source Data Ownership Privacy Compliance Self-Hosting Option

Open Source

Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.

Key Google Analytics features:

Comprehensive Data Collection Integration with Other Google Services Free Tier Available Customizable Reports and Dashboards

Open source alternative to Datadog.

Key SigNoz features:

Open Source Comprehensive Observability User-Friendly Interface Cost-Effective

Open Source

All your photos are backed up safely, organized and labeled automatically, so you can find them fast, and share them how you like.

Key Google Photos features:

Free Storage Automatic Backup Search and Organization Sharing and Collaboration