Alternatives to Echo for all platforms with any license

Disqus

Disqus offers the best add-on tools for site owners to power discussions, increase engagement, and earn revenue.

Freemium Web Windows Phone Wordpress
OAUTH Add a feature

85 Like
HashOver

HashOver is a PHP comment system intended as a replacement for services like Disqus. HashOver is free and open source software, under the GNU Affero General Public...

Free Open Source Self-Hosted
No features added Add a feature

10 Like
coComment

coComment is a service for managing, powering and researching conversations online. When using coComment, you can keep track of your comments across any site, share them...

Free Open Source Mac OS X Windows Linux Firefox
Firefox extension Add a feature

4 Like
- Discontinued Seems to be discontinued as of April 2 2013.
Commentar

Commentar is a self hosted open source commenting system which can easily be integrated into any existing system. It is a modular system and some features that will be...

Free Open Source Self-Hosted
Modular System Add a feature

5 Like
- Discontinued The last commit to the GitHub repo was on Juky 27nd, 2014.
Juvia

A commenting server similar to Disqus and IntenseDebate Licensed under AGPL: https://github.com/phusion/juvia/blob/master/LICENSE.TXT

Free Open Source Web Self-Hosted
No features added Add a feature

7 Like
- Discontinued Per project's README: Juvia is currently unmaintained. See https://github.com/phusion/juvia
Master Comments System

Master Comments System is a very compact comments system with basic options: Comments can be accepted from all users or only registered users. Admin can...

Free Open Source Self-Hosted
No features added Add a feature

5 Like
JustComments

Just Comments is a simple and reliable commenting system for any website. Its features include easy integration, custom authentication, multiple languages, Gravatar...

Commercial Web
No features added Add a feature

5 Like
jskomment

jskomment is an open source commenting system that is built on javascript and AJAX.

Free Open Source Linux BSD Self-Hosted
No features added Add a feature

6 Like
RbComment

RbComment - Zend Framework 2 module for drop-in, self-hosted comments, with email notifications, Akismet, ZfcUser and Gravatar integration.

Free Open Source Self-Hosted
No features added Add a feature

4 Like
IntenseDebate

IntenseDebate is a feature-rich comment system for WordPress, Blogger, Tumblr and many other blogging/CMS platforms.

Free Web TypePad Tumblr Blogger Wordpress
Embeddable Add a feature

5 Like
Facebook Comments Box

Comments Box is a social plugin that enables user commenting on your site. Features include moderation tools and distribution. Social Relevance: Comments Box uses...

Free Web
Facebook integration Add a feature

4 Like
komentify

Almost every business owns a website these days. However, few of them are able to engage their visitors. We provide a solution. A comment widget with a strong focus on...

Freemium Web
Embeddable Add a feature

2 Like
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Krowdify Notes

Krowdify provides tools which deepen your audience’s engagement with your content, gets your audience interacting with each other, and extends your reach to grow your...

Commercial Web
No features added Add a feature

5 Like
Realtidbits

Powering the Realtime Social Layer for Entertainment, Local Media and High Traffic Blogs. Realtidbits was acquired by Livefyre.com.

Commercial Web Wordpress
User generated Add a feature

7 Like
SolidOpinion

SolidOpinion is a fun, new and dynamic commenting platform. Members earn points for being engaged in the discussion - for example, for posting and viewing comments. They...

Free Web
No features added Add a feature

5 Like