Invite Anyone plugin by boonebgorges and cuny-academic-commons for BuddyPress makes BuddyPress’s invitation features more powerful, it has two components:
The ability to invite members to the site by email. The plugin creates a tab on each member’s Profile page called “Send Invites”, which contains a form where users can invite outsiders to join the site. There is a field for a custom message. Also, inviters can optionally select any number of their groups, and when the invitee accepts the invitation he or she automatically receive invitations to join those groups.
The email …

This BuddyPress Groupblog plugin by MariusOoms and reblevins extends the group functionality by enabling each group to have a single blog associated with it. Group members are automatically added to the blog and will have blog roles as set by the groupblog admin settings.
Features:
P2 integration and frontend posting.
Admin can set Template specific groupblogs.
Full blog theme integration. The included bp-groupblog theme mimics the group pages.
Automated blog registration at group creation stage.
Bypass default blog validation to allow dashes, underscores, numeral only and minimum character count.
Blog privacy settings are initially inherited from group …

This plugin, compatible up to: 3.0.1 makes your BuddyPress community private. So, only logged in members can view all areas of your community. If you visit the community when you’re logged out and your visiting a private page, then you’re redirected to a landing page of your choice. It defaults to the homepage.
You can set urls that are accessibly to non-logged in users using a special config php file – no database calls are needed.
By default the plugin blocks all of your widgets from being visible to logged out users. …

This plugin will protect your BuddyPress Installation from strangers. Only registered users will be allowed to view the installation and all other users will be redirected to the login page. Users attempting to view blog content via RSS are also authenticated via HTTP Auth.
You can exclude the registration and homepage from protection. In combination with the plugin ‘Invitation Code Checker’ your installation stays private but the registration is for users with a special password open.
Download and info: http://wordpress.org/extend/plugins/private-buddypress/

BuddyPress media component adds features like photos, videos and audio upload to BuddyPress. These features are essential for building a social network around BuddyPress.
Features
Media menu is added to BuddyPress user profile pages
Rating/Ranking of Photo / Video
Album support to organize photos
Sidebar widgets to display media anywhere in your theme
Report abuse button
View Count
Ajax-based interface for inline editing of media title/description
BuddyPress user gets a media menu on their profile pages
The users can upload video, images and audio files seamlessly to their profiles. (Data will be stored on the Kaltura server by default. You …

Suffusion by sayontan is an elegant, versatile and browser-safe theme with a power-packed set of options, updated to Version: 3.6.5 on 2010-08-30.

United Colors of Suffusion – 16 Canned Skins to Choose from, Aquoid.com
It has 19 widget areas, one-column, two-column and three-column fixed-width formats, 10 pre-defined templates, 17 pre-defined color schemes, two customizable multi-level drop-down menus, featured posts, a magazine layout, tabbed sidebars, widgets for Twitter, Social Networks and Google Translator, translations in many languages and RTL language support. WP 3.0 Menus, Custom Post Types and Custom Taxonomies are integrated.
A BuddyPress …

This plugin for BuddyPress adds pagination links at the bottom of all directories in BuddyPress – in groups, forums, members, friends, blogs, messages.
Allows you to set how many items show per page in the (go to BUddyPress -> Better Pagination in the WP back end)
Makes the pagination links bolder.
Downlaod at: http://buddypress.org/community/groups/buddypress-better-pagination/

This BuddyPress plugin by Francesco Laffi allows aite admins can already edit or delete every content in a BP community, but analyzing every content posted could be a crazy/impossible work in big communities. This plugin use crowdsourcing to help site admins finding contents to moderate.
It adds links/buttons to flag inappropriate user generated content in the site, so members can easily flag contents as inappropriate. Admins can then see all the reported contents in an organized table in the wp backend, order/filter them and take actions (ignore, delete, mark/unmark the content …

This plugin by Kunal Bhalla allows creating custom registration forms, a calendar for listing out events, and provides inbuilt themes for the default themes for WordPress and BuddyPress, which can be over-ridden as required.
Requires WordPress Version: 3.0.0 or higher Compatible up to: 3.0.1
For this plugin to work properly in BuddyPress, you need to install BuddyPress Custom Posts.
Download: http://wordpress.org/extend/plugins/eventpress/

BuddyPress plugin by Kunal Bhalla allows registering a custom post type to get access to a basic front end editor, complete activity integration among other things. The API is still under development.
Download: http://wordpress.org/extend/plugins/buddypress-custom-posts/

BuddyPress Mass Messaging is a simple plugin by Jeremy Litten for WordPress/BuddyPress that allows BuddyPress site admins to send individual messages to all members. Sending individual messages is sometimes better than the default notification feature because it also sends the user an email alert.
Download and info: http://wordpress.org/extend/plugins/buddypress-mass-messaging/

This debugging/development tool by Adam J Nowak displays names of the current_component and the current_action as extracted from the $bp Global.
Sometimes action names don’t exist or they might not match the displayed link, so its good to know what is going on. Aditionally Buddypress has its own component and action names for the regular wordpress pages and blog posts, seing how this all works will enable you to write conditionals to display different content for each component. With this tool it is easy to see what those variables are.
Plugin homepage; …

This plugin by Eric Johnson is built to display BuddyPress groups on the new user registration page in a list where the user can select, via checkbox, which groups they would like to join immediately. Only Public and Private groups are shown; no Hidden groups will be available. The selected group’s IDs are stored in the following locations:
usermeta table – for WordPress/BuddyPress installations
meta field of signups table – for WP3/BuddyPress or WPMU/BuddyPress installations
Plugin homepage: http://hardlyneutral.com/wordpress-plugins/
Also has details of:
Group Author List
Description: Built for use with WordPress MU and BuddyPress. Displays a …

This BuddyPress plugin by Adam J Nowak allows the creation multiple sidebars, just name your new sidebar the same name as the Buddypress Component and it will show up when that component is displayed. So you can have separate sidebars for ‘Activity’, ‘Members’, ‘Groups’, etc.
You can also name a sidebar the same name as any page and that sidebar will automatically show up on that page. Prefabricated sidebars include Home and Blog. The Blog sidebar will appear on single and archive blog pages.
Plugin homepage: http://hyperspatial.com/wordpress-development/plugins/buddypress-sidebar/

This BuddyPress plugin by modemlooper adds a ‘tweet’ button to activities, forum topics and blog posts, allowing users to ‘tweet’ the item.
Requires WordPress Version: 2.9 or higher Compatible up to: 3.0.1 Requires BuddyPress 1.2 or higher.
wpmu.org offers a modded version and a video of how the plugin works at: http://wpmu.org/new-buddypress-tweet-button-plugin-download-here/
Download and info: http://wordpress.org/extend/plugins/bp-tweet-button/