Open-source alternatives to Foxql

Q&A-based community knowledge-sharing software

A better commenting experience from Vox Media

A community discussion platform: Brings together the main features from StackOverflow, Slack, Discourse, Reddit, and Disqus blog comments.

💬 A privacy-friendly and customizable Disqus (comment system) alternate. 注重隐私保护和定制化的评论系统。

Diaspora is a federated social networking platform that allows users to run and manage self-hosted community servers, known as pods. It operates as a distributed network where independent server nodes exchange content and users using open protocols and standardized communication schemas. The platform is distinguished by its focus on decentralized identity management and privacy-preserving communication. It includes a privacy-focused media proxy that routes external assets through a local server to protect user identity and supports cross-instance account migration, allowing users to move thei

Discourse is an open-source forum engine designed to facilitate long-form threaded conversations and community management. Built as a server-side application, it provides a structured, category-based interface for interactive online communities, supporting user authentication, moderation, and real-time content delivery. The platform utilizes a relational database to manage complex relationships between users, topics, and site settings. The application distinguishes itself through a modular architecture that allows for custom plugins and themes, enabling the adaptation of discussion spaces to

A social networking engine in PHP/MySQL

A reddit-like content aggregator and micro-blogging platform for the fediverse.

The Stack Overflow clone for your team (self-hosted or hosted)

Flarum is a PHP-based community forum software designed for building and managing structured online discussion spaces. It functions as a self-hosted discussion forum and threaded discussion engine, providing a platform for users to create and participate in community conversations. The platform is designed as an extensible community platform, allowing for customizable forum development through the use of custom extenders to modify system behavior and features. The system includes capabilities for online community management and forum hosting, supported by a console interface for executing ad

FlaskBB is a forum software for building online communities and structured discussions, developed using the Flask web framework. It provides a system for organizing public conversations, rendering rich text via a Markdown processor, and managing a multilingual localization engine to support global audiences. The platform features an extensible plugin framework that allows for the addition of custom logic and new features to the core forum functionality. Access is managed through a role-based access control system that assigns permissions to user groups to restrict or grant access to specific

Friendica Communications Platform

twtxt registry written in Go!

HumHub is an open-source enterprise social networking framework designed to facilitate internal communication and team collaboration within private organizational networks. It provides a modular architecture that allows organizations to build secure, self-hosted digital workspaces where users can manage profiles, share content, and organize projects through dedicated collaborative spaces. The platform distinguishes itself through a highly extensible plugin system and a granular role-based access control model. By utilizing an event-driven hook system and a modular architecture, developers can

Isso is a self-hosted commenting system that provides a server and client-side script for adding interactive discussion threads to websites. It functions as an independent platform for managing site-wide comment sections and user profiles on private infrastructure, utilizing a JSON API and a Markdown rendering engine to handle user-generated content. The system is designed to support multi-site comment management, allowing a single server installation to serve independent threads for multiple different domains. It includes a dedicated moderation tool featuring signed URLs and an administrativ

A federated social home

An ActivityPub/Fediverse server

Lemmy is a self-hosted, federated discussion platform that enables the operation of independent, decentralized social networking servers. By implementing the ActivityPub protocol, it allows autonomous instances to exchange content, synchronize user interactions, and participate in a global, distributed network without centralized control. The platform distinguishes itself through a decoupled architecture that separates the backend API from the frontend, facilitating the development of custom interfaces while maintaining unified user handles and cross-platform communication. It provides granul

Libreddit is a privacy-focused Reddit client and front-end that acts as a privacy-preserving web proxy. It provides a lightweight web interface for viewing Reddit threads and media through an intermediary server to prevent the original platform from tracking user activity and identity. The project removes advertisements, tracking scripts, and JavaScript execution to enable ad-free content consumption and JavaScript-free web browsing. It utilizes server-side proxying and media proxying to fetch content and re-serve images and videos, masking the user's IP address from the external platform. T

Loomio is a collaborative decision making tool

NNTPChan (previously known as overchan) is a decentralized imageboard that uses the NNTP protocol (network-news transfer protocol) to synchronize content between many different servers. It utilizes cryptographically signed posts to perform optional/opt-in decentralized moderation.

Mastodon is a self-hosted, decentralized social networking platform that functions as a microblogging application. It enables independent server instances to communicate and exchange social data through the standardized ActivityPub protocol, allowing users to participate in a global, interoperable network. The platform distinguishes itself through its federated architecture, which grants administrators full control over their community instances. This includes comprehensive tools for user moderation, account management, and the enforcement of community guidelines. The system is designed to ha

Misskey is a self-hosted, decentralized microblogging platform and federated social media server. It functions as a distributed content management system that allows users to communicate across multiple independent and interconnected server instances using the ActivityPub protocol. The platform distinguishes itself with a dynamic application engine that allows for the creation of interactive applications and custom page layouts using a scripting language. It also features a specialized markup language for rich text rendering, enabling the use of animations and custom styles for consistent con

MyBB is a free and open source forum software.

NodeBB is a real-time, self-hosted community forum platform built on Node.js. It is designed to support scalable discussion environments by utilizing a document-oriented database for content storage and an in-memory engine for high-speed data retrieval and session management. The platform provides a comprehensive administrative interface for managing user groups, forum settings, and system health. What distinguishes the platform is its native support for federated social networking via the ActivityPub protocol, allowing forums to exchange content, synchronize discussions, and interact with de