Privacy-focused lightweight commenting engine

Remark42 allows you to have a self-hosted, lightweight, and simple (yet functional) comment engine, which doesn't spy on users. It can be embedded into blogs, articles or any other place where readers add comments.

• Social login via Google, Facebook, Microsoft, GitHub, Apple, Yandex, Patreon and Telegram
• Login via email
• Optional anonymous access
• Multi-level nested comments with both tree and plain presentations
• Import from Disqus and WordPress
• Markdown support with friendly formatter toolbar
• Moderators can remove comments and block users
• Voting, pinning and verification system
• Sortable comments
• Images upload with drag-and-drop
• Extractor for recent comments, cross-post
• RSS for all comments and each post
• Telegram, Slack, email and webhook admin notifications for each new comment on your site
• Email and Telegram notifications for users so that they get notified when someone responds to their comments
• Export data to JSON with automatic backups
• No external databases, everything embedded in a single data file
• Fully dockerized and can be deployed in a single command
• A self-contained executable can be deployed directly to Linux, Windows and macOS
• Clean, lightweight and customizable UI with white and dark themes
• Multi-site mode from a single instance
• Integration with automatic SSL (direct or via reproxy)
• Privacy-focused

Privacy

• Remark42 is trying to be very sensitive to any private or semi-private information.
• Authentication is requesting the minimal possible scope from authentication providers and all extra information returned by them is immediately dropped and not stored in any form.
• Generally, Remark42 keeps user ID, username and avatar link only. None of these fields exposed directly - ID and name hashed, avatar proxied.
• There is no tracking of any sort.
• Login mechanic uses JWT stored in a cookie (HttpOnly, secured). The second cookie (XSRF_TOKEN) is a random ID preventing CSRF.
• There is no cross-site login, i.e., user's behavior can't be analyzed across independent sites running Remark42.
• There are no third-party analytic services involved.
• Users can request all information Remark42 knows about them and receive the export in the gz file.
• Supports complete cleanup of all information related to user's activity by user's "deleteme" request.
• Cookie lifespan can be restricted to session-only.
• All potentially sensitive data stored by Remark42 hashed and encrypted.

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