Tools to use with Diaspora

Diaspora Tools - (Firefox) share webpages and images to Diaspora, translate text on Diaspora
Diaspora* Publisher - (Chrome) allows you to share your favorite pages with your friends; you can also select and share a specific part of the page.
Diaspost - (Chrome) quickly share webpages to Diaspora
Diaspora* Opera sharing extension (Opera) quickly share webpages to Diaspora
Diaspora* Easyshare (Firefox) Firefox addon to share a page in a nice graphical way: image+text+tags. More infos here
Diaspora* Picture Share - a modified sharing bookmarklet to quickly share pictures on Diaspora*

Löwenzahn - (Firefox) This addon shows a notification when you get a new Diaspora message or notification.
Diaspora AutoUpdate - Greasemonkey script to automatically update the stream (like Twitter does in it's Webinterface). By Faldrian
Diaspora Translate - (Firefox with Greasemonkey, Chrome) GreaseMonkey script to translate posts in your stream, also offers hiding non-ssl images.
Diaspora* GIF Toggler - (Chrome) Stop animated gif in your stream and toggle by clicking.
dia.so - A profile shortener so people on other pods get you on their pod and A url shortener all pod admins can use.
Do It Later - (Firefox with Greasemonkey), a Greasemonkey script which enables you to schedule things to be posted whenever you like. By Deus Figendi.
Notification Titler - (Firefox with Greasemonkey), a Greasemonkey script which adds post titles to items in the notifications drop-down, so you can identify them. By Deus Figendi.
Diaspora Reshare Visualiser - A Javascript tool to display a flow chart of reshares of a particular post.
Markdown Pad - A popular Markdown editor for Windows Systems.
Unicode Character Table - Not specific to Diaspora but a very hand for including Unicode like ★ ☂ ☯ ♫ ❤ in your diaspora posts.
Diaspora Reshare Graph - A data driven document implementation of the Diaspora Reshare Visualizer

Diaspora share button for every pod
German Data Protection Act Button with regard to German Data Protection Act (German only ATM)
Share on Diaspora* Animated Buttons for any pod
Diaspora* Advanced Sharer is a service to share links to any Diaspora* pod.
HTML share button for JoinDiaspora works for any blog or site (simple html), with joindiaspora.com only.

Webfinger Profile Plugin for 'Join me' widget - display a widget on your WordPress blog with your profile information from Diaspora, more info
Wordpress plugin: wp-post-to-diaspora when you make a new blog post, this plugin will post a link to it to your diaspora account
Sociable - a WordPress plugin customized for share content also on Diaspora*