4chan is a simple image-based bulletin board where anyone can post comments and share images. There are boards dedicated to a variety of topics, from Japanese animation and culture to videogames, music, and photography.



Tildes is described as 'A non-profit community site driven by its users' interests' and is a Social Network in the social & communications category. There are more than 50 alternatives to Tildes, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and Android Tablet apps. The best Tildes alternative is Lemmy, which is both free and Open Source. Other great sites and apps similar to Tildes are Reddit, Stack Exchange, Infinity for Reddit+ and Hacker News.
4chan is a simple image-based bulletin board where anyone can post comments and share images. There are boards dedicated to a variety of topics, from Japanese animation and culture to videogames, music, and photography.



Slide for Reddit is a rock-solid material-designed unofficial browser for Reddit with an easy to use UI and tons of customization. Slide is ad-free, open source, and is packed with many unique features.



HiddenLayer.app is a discussion and information platform consisting of layers. Layers personify concepts, ideas, and data as independently run communities. Powered by a UI and infrastructure capable of organizing and analyzing millions of posts.




Lainchan is a great imageboard package, actively building on it and adding a lot of features and other improvements. This imageboard's topic focused to anime, manga, politic, and technology.


News for nerds, stuff that matters. Slashdot (aka /.) is a technology-related news and discussion site with a focus on Linux, free and open source software and information freedom and privacy issues. The software it runs on, called Slashcode, is open source.

Digg delivers the most interesting and talked-about stories on the Web right now.

Nonio is a Reddit-like platform that gives directly back to content creators. Nonio takes a small portion of subscription costs to run the service and anything over that is split evenly between everything users upvote that month.


Postmill is a free, web-based, social link aggregator with voting and threaded comments. It is built on the Symfony framework. Used to host raddle.me.

Unsatisfied with the few link sharing communities that were available and their proprietary, untransparent and non-secure nature, ziq made the original raddle.me (then known as raddit.me) with Wordpress, but it had a lot of limitations.

An alternative to Reddit and Voat. It has the original Voat culture of open expression. Most users on the site are interested in web development but mostly only chat about that in IRC.

Weblog that anyone can contribute a link or comment to. A typical weblog is one person posting their thoughts on the unique things they find on the web. This website exists to break down the barriers between people, to extend a weblog beyond just one person, and to foster...

MetaFilter is the most popular commercial alternative to Tildes.
Mainchan is a content aggregation, web content rating, and discussion website. Registered members submit content to the site such as links, text posts, images, videos, and polls, which are then voted up or down by other members.



