Open Source Alternatives to Paid Apps

Free media system that lets you stream your own movie, TV, and music collection from any device.

Lightweight YouTube front-end with no ads, no tracking, and no Google account required.

Decentralised, federated video platform — like a community-run YouTube.

Modern, fast self-hosted music server compatible with Subsonic and Airsonic clients.

Federated music streaming and sharing platform built for communities.

Full Dropbox/Google Workspace replacement — files, calendar, contacts, notes, video calls.

Continuous, peer-to-peer file sync between your devices. No cloud middleman.

Mature raster image editor — the open-source counterpart to Photoshop.

Professional vector graphics editor — an open alternative to Illustrator.

Non-linear video editor with multi-track timelines, effects, and proxy editing.

Open-source design and prototyping platform — the Figma replacement.

RAW photo workflow and non-destructive editor — a Lightroom alternative.

Notion-style workspace for wikis, projects, and docs — all open source.

Fast, collaborative team knowledge base and wiki.

Cross-platform note-taking app with end-to-end encryption and sync.

To-do app with kanban boards, CalDAV sync, and team collaboration.

Full office suite — Writer, Calc, Impress — compatible with MS Office files.

Multilingual grammar, style, and spell checker — supports 30+ languages.

Open-source Slack alternative built for secure team collaboration.

Fully customisable team chat platform with high data-protection standards.

Secure, fully-featured video conferencing — no account required.

Fast, modern VPN protocol — pair with a cheap VPS for your own private VPN.

Lightweight Bitwarden-compatible password server in Rust — self-hosted in minutes.

Local-first password manager with browser integration. No subscription, ever.

Run Llama, Mistral, and other LLMs locally with a single command.

ChatGPT-style web interface for Ollama and other local models.

Open-source AI code assistant for VS Code and JetBrains, works with local models.

Self-hosted newsletter and mailing list manager — fast and free.

Modern publishing platform for newsletters and blogs — open source core.

Community-driven language learning platform — open courses, no ads.

Spaced-repetition flashcards — used by language learners and med students worldwide.

Lightweight, painless self-hosted Git service — the easiest GitHub replacement.

Community-led fork of Gitea — fully featured Git forge, run yours in minutes.

Complete DevOps platform — Git hosting, CI/CD, issue tracking, container registry.