galaxyAbstractor

The firefox addon https://addons.mozilla.org/en-US/firefox/addon/firecoin/ lets users easily donate BitCoins to site owners. It gets your BitCoin address from a metatag named “bitcoin”. It also allows the site owners to provide a message and a URL to a thanks page.
This plugin makes it easy for you to add these tags to your headers.
Please note that this plugin will promote the Firefox addon in a HTML comment in the header, which is only visible if a user would inspect the HTML code. It wont show the link anywhere else.

FireCoin

Easily lets you put your bitcoin address, a message and a thanks URL in the header section, so that firefox users using the FireCoin addon can donate  …

rhewlif

Easy to use 
Simply use the shortcode [thermometer raised=?? target=??] to display a classic-style tracking thermometer on any post, page or sidebar.
Fully customisable 
Unlimited thermometers can be made, each fully customisable to blend seamlessly with your site’s theme. Thermometers are rendered as vector-based images (SVG) that produce a visually sharp graphic. Since the plugin does not load any remote image files, your page-load times will remain fast and save bandwidth for users.
Automatic updating of values supported 
Thermometers accept values using shortcodes from other plugins so you don’t need to worry about keeping track of updates.
Display only what you need 
Optional shortcode parameters can control thermometer size, orientation, tick alignment, currency symbol and position, the thousands separator, colour and style of the fill, a shadow effect, plus more. CSS code can also be implemented for further customisation.
Additional shortcodes 
The ‘raised’ and ‘target’ values are also linked to independent shortcodes ([therm_r], [therm_t] and [therm_%]) – useful for keeping multiple instances up-to-date around your site, for example if you want to keep a running total caption in your site footer/sidebar.
Always free and supported 
Used by thousands of satisfied individuals and organizations. Queries and issues are resolved promptly within the <a href="https://wordpress.org/support/plugin/donation-thermometer//" rel="ugc">support forum</a>.

Donation Thermometer

Displays a fully customisable thermometer for tracking donations or any other goal.

FireCoin vs Donation Thermometer