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Ech0

A next-generation open-source, self-hosted, lightweight federated publishing platform focused on personal idea sharing.

Ech0 is a new-generation open-source self-hosted platform designed for individual users. It is ultra-lightweight and low-cost, supporting the ActivityPub protocol to let you easily publish and share ideas, writings, and links. With a clean, intuitive interface and powerful command-line tools, content management becomes simple and flexible. Your data is fully owned and controlled by you, always connected to the world, building your own network of thoughts.

• ☁️ Ultra Lightweight — Memory usage under 15MB, image size under 50MB, single SQLite file storage.
• 🚀 Blazing Fast Deployment — No configuration needed, install and use with just one command.
• 🧰 Command-line Power — Built-in high-availability CLI tools that support one-click backup, restore, and export.
• 📟 TUI Friendly — Terminal-friendly interactive interface to manage Ech0 from the TUI.
• ✍️ Distraction-Free Writing — Clean online Markdown editor with rich plugin support and live preview.
• 📦 Data Ownership — All content stored locally in SQLite, with RSS feed support.
• 🔐 Secure Backup — One-click export/backup/import via Web, TUI, or CLI.
• ♻️ Seamless Restore — Restore any backup via TUI or CLI to ensure data safety.
• 🎉 Completely Free — Open-source under AGPL-3.0 with no tracking, subscription, or dependency.
• 🌍 Cross-Device Compatible — Fully responsive on desktop, tablet, and mobile.
• 👾 PWA Support — Can be installed as a Web App.
• ☁️ S3 Storage Support — Native integration with S3-compatible object storage for local or cloud backups.
• 🌐 ActivityPub Federation — Native ActivityPub support for interoperability with Mastodon, Misskey etc.
• 📝 Built-in Todo Management — Record and track daily tasks efficiently.
• 🔑 OAuth2 Integration — Full OAuth2 support for secure third-party authentication and API access.
• 🔗 Ech0 Connect — Cross-instance content aggregation, subscription, and synchronization.
• 🎵 Music Integration — Lightweight audio player for local streaming and immersive background music.
• 🎥 Video Sharing — Native support for Bilibili/YouTube smart parsing.
• 🃏 Rich Card Support — Share website links, GitHub projects, and other media-rich content.
• ⚙️ Advanced Customization — Custom styles and scripts for enhanced content presentation.
• 💬 Comment System — Integrate Twikoo for lightweight interaction and feedback.
• 💻 Cross-Platform — Native support for Windows, Linux, and ARM devices like Raspberry Pi.
• 🔗 Official Ech0 Hub Integration — Submit content to the Ech0 Hub ecosystem easily.
• 🌐 Self-Hosted Ech0 Hub — Use your Connect list as a content source.
• 📦 Self-contained Binary — Full frontend resources included, single binary file ready to run.
• 🔗 Rich API Support — Open API available for integration with other systems.
• 🃏 Content Display — Supports X (Twitter)-style card display with social interactions.
• 👤 Multi-user and Permissions — Flexible account and permission management for secure access.

docker run -d \
  --name ech0 \
  -p 6277:6277 \
  -p 6278:6278 \
  -v /opt/ech0/data:/app/data \
  -v /opt/ech0/backup:/app/backup \
  -e JWT_SECRET="Hello Echos" \
  sn0wl1n/ech0:latest

💡 After deployment, access ip:6277 to use
🚷 It is recommended to change JWT_SECRET="Hello Echos" to a secure secret
📍 The first registered user will be set as administrator
🎈 Data stored under /opt/ech0/data

1. Create a new directory and place docker-compose.yml inside.
2. Run:

docker-compose up -d

docker stop ech0
docker rm ech0
docker pull sn0wl1n/ech0:latest
docker run -d \
  --name ech0 \
  -p 6277:6277 \
  -p 6278:6278 \
  -v /opt/ech0/data:/app/data \
  -v /opt/ech0/backup:/app/backup \
  -e JWT_SECRET="Hello Echos" \
  sn0wl1n/ech0:latest

cd /path/to/compose
docker-compose pull && \
docker-compose up -d --force-recreate
docker image prune -f