Prismo - Federated link aggregation powered by ActivityPub.

•    Ruby

Prismo is a federated link aggregation powered by ActivityPub. It is similar to reddit which does link aggregation.

Lobsters - Computing-focused community centered around link aggregation and discussion

•    Ruby

Lobsters is a computing-focused community centered around link aggregation and discussion project. Lobsters was created by joshua stein with some specific design goals in mind to avoid problems faced by other link aggregation sites. It supports Tagging system to categorize and filter submissions, A user invitation tree to combat spam, Downvote explanations to curb reflexive downvoting and lot more.

Voat - Media aggregator and an alternative to Reddit

•    CSharp

Voat (pronounced voat as in goat) officially launched in April 2014 as a media aggregator website featuring user-posted content.

Voten - The code that powers voten.co

•    PHP

Voten.co is a real-time social bookmarking for the 21st century. It's real-time, beautiful, customizable yet simple.

GoToSocial - Fediverse server project

•    Go

GoToSocial is a Fediverse server project, written in Golang. It provides an alternative to existing projects such as Mastodon, Pleroma, Friendica, PixelFed etc. One of the key differences between GoToSocial and those other projects is that GoToSocial doesn't include an integrated front-end (ie., a webapp). Instead, like the Matrix.org's Synapse project, it provides only a server implementation and a well-documented API. On this API, developers are free to build any front-end implementation or mobile application that they wish.

teddit - A free and open source alternative Reddit front-end focused on privacy

•    Javascript

teddit is A free and open source alternative Reddit front-end focused on privacy. All requests go through the backend, client never talks to Reddit. It prevents Reddit from tracking your IP or JavaScript fingerprint. It is self-hostable. Anyone can setup an instance. An instance can either use Reddit's API with or without OAuth (so Reddit API key is not necessarily needed).

flask_reddit - Reddit clone in flask + python + nginx + https. View site:

•    Python

flask_reddit is an extendable + minimalist Reddit clone. This was built so beginners who want a standard CRUD + reddit-like application can quickly get to work.

Postmill - Social link aggregator with voting and nested comments

•    PHP

Postmill is a free, web-based, social link aggregator with voting and threaded comments. It is built on the Symfony framework. Any similarities between this software and that of a large community symbolised by an alien logo are purely coincidental.

Vulcan - A toolkit to quickly build apps with React, GraphQL & Meteor

•    Javascript

This is the Apollo/GraphQL version of Telescope, now known as Vulcan. It is a framework that gives you a set of tools for quickly building React-based web applications. Out of the box, it can handle data loading, automatically generate forms, handle email notifications, and much more. It provides simple building blocks such as posts, comments, forms, and modals, and makes it easy to quickly customize them to build modern, social web apps.

Reddit - Social bookmark engine

•    Python

Reddit is a web-based social bookmarking system. It allows multiple users to store, share and tag their favorite links online. Users will provide the content (links) and decide through voting what's good and what's junk. Links that receive community approval bubble up towards #1, so the front page is constantly in motion and filled with fresh and interesting links. Sub groups (community) could be created and each groups could be moderated by its owners.

Steemit (Condenser) - The social application web front-end to the Steem Blockchain.

•    Javascript

Condenser is the react.js web interface to the world's first and best blockchain-based social media platform, steemit.com. It uses STEEM, a blockchain powered by Graphene 2.0 technology to store JSON-based content for a plethora of web applications.

social - 🎉 Social can be used for work, or to connect to the fediverse!

•    PHP

For more information about about our motivation and goals, read the announcement blog. Please follow this guide to enable the Emojis in the Social app.

mastodon - Your self-hosted, globally interconnected microblogging community

•    Ruby

Mastodon is a free, open-source social network server based on open web protocols like ActivityPub and OStatus. The social focus of the project is a viable decentralized alternative to commercial social media silos that returns the control of the content distribution channels to the people. The technical focus of the project is a good user interface, a clean REST API for 3rd party apps and robust anti-abuse tools. Ruby on Rails is used for the back-end, while React.js and Redux are used for the dynamic front-end. A static front-end for public resources (profiles and statuses) is also provided.

Pixelfed - Federated Image Sharing (WIP)

•    PHP

PixelFed is a federated social image sharing platform, similar to Instagram. Federation is done using the ActivityPub protocol, which is used by Mastodon, PeerTube, Pleroma, and more. Through ActivityPub PixelFed can share and interact with these platforms, as well as other instances of PixelFed.

hack-the-media - This repo collects examples of intentional and unintentional hacks of software engineering media sources like Hacker News, Reddit, tech blogs, and news sites

A media literacy guide that highlights ways that our media sources can give us a flawed view of the world (technology industry-specific media guide now here). These images are available to use freely (CC BY 4.0). Free stickers can be requested here — original SVGs are here and here.

IndexTank - Search Engine powers Reddit

•    Java

IndexTank search engine powers search in Reddit, Social bookmarking site. IndexTank is acquired by LinkedIn and released the project as open source. It includes features like Variables boosts, Facets, Faceted search, Snippeting, Custom scoring functions, Suggest, and Autocomplete.

misskey - 🌎 A interplanetary communication platform 🚀

•    TypeScript

A forever evolving, interplanetary microblogging platform. Reactions are the simplest way to respond to others' posts. Simply pick a reaction emote from the list! Reactions on Misskey are much more expressive than other social media services which only allow “liking”.

Clean Mod Queue

A program to automatically and continuously clean the moderator queue on reddit, via the public Reddit API [https://github.com/reddit/reddit/wiki/API] . Reddit [http://www.reddit.com] is the social news and discussion site. Within Reddit, moderators are responsible for res...

Mastodon - A GNU Social-compatible microblogging server. Alternative to Twitter

•    Ruby

Mastodon is a free, open-source social network server. A decentralized alternative to commercial platforms, it avoids the risks of a single company monopolizing your communication. Anyone can run Mastodon and participate in the social network seamlessly.

Jumper - Collaborative search engine in PHP

•    PHP

Jumper 2.0 is a collaborative community search platform that revolutionizes search by crowdsourcing knowledge management powered by a shared bookmarking engine. It is easily and quickly deployed into a community of practice that benefits users with complex and specialized search requirements. Jumper delivers universal search of any databases, flat files, fileshares, content systems, web pages, blogs and wikis, even people - through one simple search box.