Open-source alternatives to Libreddit

Invidious is a privacy-focused, self-hosted alternative frontend for mainstream video platforms. It operates as a decentralized network of independent instances that provide a lightweight, ad-free interface for consuming media. By acting as a proxy between the user and the content provider, the platform prevents tracking and data collection while maintaining a familiar browsing experience. The project distinguishes itself through its robust suite of network-level traffic management and anonymization tools. It employs techniques such as IP rotation, reverse proxy stream routing, and integratio

Yattee is a privacy-focused video player and multi-backend video aggregator designed for streaming online content without tracking, ads, or account requirements. It functions as a cross-platform application that collects video content from self-hosted servers, third-party APIs, and decentralized platforms into a single interface. The project features SponsorBlock integration to automatically skip sponsored or promotional segments using a community-sourced timestamp database. It also includes an Invidious-compatible API server that can replace standard endpoints to facilitate private playback.

This project is a curated directory and catalog of privacy-respecting software and security-focused services. It serves as a structured resource for finding alternatives to corporate services, focusing on tools that prioritize data sovereignty, end-to-end encryption, and user anonymity. The directory is maintained as a markdown-based resource list and rendered via a static site generator. It further extends its utility through a CORS-enabled public API and a JSON-based data schema, allowing the curated catalog of tools and providers to be retrieved programmatically. The collection covers a w

Piped is a privacy-focused video streaming service and self-hosted media proxy. It allows users to watch video and audio content without advertisements, user tracking, or the requirement of official accounts. The project utilizes a decentralized server network to distribute workloads and rotate outbound IP addresses, which helps bypass regional content restrictions and prevent provider blocks. It includes the ability to identify and skip sponsored segments within media files for a cleaner viewing experience. The service provides a JSON API for third-party integration to fetch video streams,

LibreTV is a self-hosted media aggregator and streaming client designed to consolidate video content from multiple external providers into a single, unified library. By standardizing metadata and media formats, the platform provides a centralized interface for browsing and managing personal media collections. The application distinguishes itself through its focus on uninterrupted playback and efficient navigation. It features automated manifest parsing to detect and strip commercial segments from video streams, ensuring an ad-free viewing experience. Additionally, the interface supports direc

PiliPalaX is a video streaming mobile client designed for discovering and playing video content, including anime and live streams. It functions as a media content browser and a social media video platform, integrating video playback with community engagement features. The application includes a personalized video player with hardware acceleration and gesture-based controls for adjusting volume and brightness. It also incorporates privacy-focused tools, such as incognito browsing modes and user-blocking capabilities to control content visibility. The system covers broad capability areas inclu

LibreTube is a privacy-focused mobile client designed for streaming online video content without requiring a platform account. It functions by routing all media traffic through intermediate proxies, which masks user identity, prevents data collection by third-party platforms, and bypasses geographic content restrictions. The application provides an ad-free viewing experience by automatically detecting and skipping integrated sponsored segments and promotional content within video streams. It maintains a stateless playback architecture that ensures no session cookies or tracking identifiers pe

BuddyPress DEVELOPMENT repo. This repository is just a mirror of the development SVN at https://buddypress.svn.wordpress.org/. Please include a link to a pre-existing ticket on https://buddypress.trac.wordpress.org/ with every pull request.

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

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

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

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

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

A better commenting experience from Vox Media

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

This project is a public community data API that provides a RESTful interface for accessing real-time discussions and metadata. It serves as a JSON data provider, offering structured community information for use in third-party client and server applications. The interface enables the retrieval of public items, stories, and comments, as well as public account information for specific users. It provides capabilities for fetching filtered lists of stories based on ranking or novelty and allows for the discovery of recent items to track new content updates. The system covers a broad range of da

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

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

Friendica Communications Platform

Anahita is a platform and framework for developing open science and knowledge sharing applications on a social networking foundation.

Infinity-For-Reddit is an open-source Android client and social content browser for Reddit. It functions as an API wrapper that allows users to browse and interact with Reddit communities on Android devices. The application covers Reddit account administration and community engagement, enabling users to vote on posts, save content, and submit text, images, or videos. It also provides tools for discussion management, allowing users to write, edit, and organize comment threads. The project includes capabilities for monitoring social activity through notifications and following users, as well a

Q&A-based community knowledge-sharing software

A social networking engine in PHP/MySQL

A federated social home

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