transact

Transact.io brings A la Carte revenue model to digital media. Charge for content within your posts.
Features:
<ul>
<li>The publisher sets the price, which can be as low as $0.01</li>
<li>Transact.io enables publishers to regain control of distribution.</li>
<li>Single post, you can set the price from $0.01 to $50.00</li>
<li>Optionally you can enable Subscriptions, allow for unlimited content for a fixed monthly or annual rate</li>
<li>For small amounts, transact has lower fees than credit cards or paypal. For transactions less than $1 the commission is 10%, Over $1 it is 2%.</li>
<li>Optionally use Google Tag Manager for conversion metrics.</li>
</ul>
Read more about us at https://transact.io/
This plugin is open source. Source code is available at https://gitlab.com/transact/transact-wordpress
If you need help setting up your account please do not hesitate to contact us: 
https://transact.io/about/contact

Transact

Micropayments from $0.01.   Receive payments for digital content on WordPress.

eewee

Use the system “flattr” your worpdress website.
Shortcode for :
<ul>
<li>Add Widget flittr</li>
<li>Add big button with counter (coming soon)</li>
<li>Add small button with counter (coming soon)</li>
<li>Add static button (coming soon)</li>
<li>Add Code QR (coming soon)</li>
</ul>
More informations <a href="https://flattr.com" rel="nofollow ugc">flattr</a>
PS: question, <a href="http://www.eewee.fr" rel="nofollow ugc">eewee.fr</a>.
<ul>
<li>See the <a href="https://wordpress.org/extend/plugins/eewee-flittr/changelog/" rel="ugc">Changelog</a> for what’s new.</li>
</ul>

eewee flattr

Use the system "flattr" wordrpess on your site.

Transact vs eewee flattr