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- Free open source alternatives of paid software.

Paid software

Free open source alternative app list about topic "comment engine" :

Remark42 is the free open source alternative of undefined

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.
— The Remark42 Team
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Editor's Picks for Free Open-Source Software:

ProxyPin is the free open source alternative of undefined

Open source free traffic capture HTTP(S),Support Windows、Mac、Android、IOS、Linux Full platform system

You can use it to intercept, inspect & rewrite HTTP(S) traffic, Support capturing Flutter app traffic, ProxyPin is based on Flutter develop, and the UI is beautiful and easy to use.

Features

  • Mobile scan code connection: no need to manually configure WiFi proxy, including configuration synchronization. All terminals can scan codes to connect and forward traffic to each other.
  • Domain name filtering: Only intercept the traffic you need, and do not intercept other traffic to avoid interference with other applications.
  • Search: Search requests according to keywords, response types and other conditions
  • Script: Support writing JavaScript scripts to process requests or responses.
  • Request rewrite: Support redirection, support replacement of request or response message, and can also modify request or response according to the increase.
  • Request blocking: Support blocking requests according to URL, and do not send requests to the server.
  • History: Automatically save the captured traffic data for easy backtracking and viewing. Support HAR format export and import.
  • Others: Favorites, toolbox, common encoding tools, as well as QR codes, regular expressions, etc.

Mac will prompt untrusted developers when first opened, you need to go to System Preferences-Security & Privacy-Allow any source.

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NoteGen is the free open source alternative of undefined

NoteGen is a cross-platform Markdown note-taking application dedicated to using AI to bridge recording and writing, organizing fragmented knowledge into a readable note.

Why Choose NoteGen?

  • Lightweight: Installation package is only about 10MB, free with no ads or bundled software.
  • Cross-platform: Supports Mac, Windows, Linux, and thanks to Tauri2's cross-platform capabilities, will support iOS and Android in the future.
  • Supports multiple recording methods including screenshotstextillustrationsfileslinks, etc., meeting fragmented recording needs across various scenarios.
  • Native offline usage with Markdown(.md) as the storage format, while also supporting real-time synchronization to private GitHub repositories with history rollback.
  • AI-enhanced: Configurable with ChatGPT, Gemini, Ollama, LM Studio, DeepSeek, and other models, with support for custom third-party model configuration.
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