Social Source Commons

Adobe's take on video conferencing and online seminars

With akapost, you can send and receive emails from any of your existing email accounts but still keep your actual email addresses private.

Share your files privately and securely. Chat with your friends. Firefox addon.

OpenPGP for Android. It's open source and its goal is to provide a similar OpenPGP implementation as GnuPG.
Changes:
* more secure random number
* fix multi-select in recipient list
* manage secret/public keys (eg. GPG/PGP)
* encrypt/sign/decrypt/verify emails and files
* some integration into GMail accounts on the phone
* integration with K9
* HKP Keyserver support
* basic key creation and editing possible (beta)
* Intent API for other apps

CRM suite

Online web meetings and web conferencing.

Mobile social networks that works with any mobile phone or device. Members can join instantly with one text and exchange group messages, polls, reminders, and web alerts.

ChatSecure (Gibberbot) is a secure chat client capable of firewall and filter circumvention, surveillance blocking and end-to-end encryption. It works with Google, Facebook, any Jabber or XMPP server, such as OpenFire or eJabberD. Unlike Blackberry BBM’s broken single key security, Gibberbot uses the Off-the-Record encryption standard to enable true verifiable end-to-end encrypted communications.

Free unlimited, private, secure messaging with your friends over Facebook Chat, Google Talk, Hangouts, Jabber, Dukgo & more! Works with Android, iPhone, Mac, Linux or PC.

Citadel is a complete and feature-rich open source groupware platform.

This tool shows your activists both the content that you want to promote and an “action button” on the same webpage. The action button will takes them to the appropriate page on a social media site to “vote” for the content – and in many cases, fills out any forms required.

Live blogging tool with interactive features for real-time audience engagement. Commentary publishes like instant messages, and you can drop in polls, videos, pictures, ads and audio clips. Take comments and questions from readers with control over what gets published.

On-line tool for creating movies.

Dipity is a timeline tool that let's you edit a timeline collaboratively or pop in an RSS feed

Send and receive faxes as email attachments.

Web conferencing and eLearning solutions.

Video email service.

Conference calls for businesses, organizations, and individuals. Scheduled or on-demand. Free and premium services available.

Mashup of RSS feeds for popular sites such as YouTube, flickr, twitter, and yelp.

Giver's Circle Fundraising Software is fundraising software from Osnium that helps organizations manage board members, supporters, pledges, online tasks and even staff.

Make free, short (up to 10 minutes per day) phone calls from your web browser.

Google Wave is an online tool for real-time communication and collaboration. A wave can be both a conversation
and a document where people can discuss and work together using richly formatted text, photos, videos, maps, and more.

Group message broadcasting for Twitter. Send private messages to specific groups of friends.

Hosted notetaking site.

Send faxes via email.

Jajah is a software to make free audio and video calls to anyone connected to a PC to the Internet, to SIP-compliant devices and smartphones, as well as to interconnect to standard telephone and mobile users around the world.

K-9 is an opensource email client based on the Email application shipped with the initial release of Android.
K-9 is focused on making it easy to chew through large volumes of email.
K-9 Mail is an open-source e-mail client with search, IMAP push email, multi-folder sync, flagging, filing, signatures, bcc-self, PGP, mail on SD & more!
K-9 supports IMAP, POP3 and Exchange 2003/2007 (with WebDAV).

KiKwe is an online service that allows you to send mobile phone airtime across Africa.

LiveSupport is the first free and open radio management software that provides live studio broadcast capabilities as well as remote automation in one integrated system.

Online software that is a "back page" for digital documents. The concept of the “back page” is that it functions just like the back page of a piece of paper. Work on one side, flip the page over and write your notes and communication right there on a single, easy-to-use document.

Email marketing/newsletter tool that tracks open rates, click-throughs, etc, segmentation support, and an "infinite" number of lists.

Free online social network that connects to cell phones. Supports text response, polls, trivia, mobile content delivery (ringtones, wallpapers, etc.), Text-to-win sweepstakes, mobile coupons, Optional Custom campaigns

Tool that combines Skype with MySpace.

Hosted website creation tool for nonprofits.

Hosted online collaboration

Hosted customer relationship management system, part of Antharia FortyFourFish Suite

Email and personal information management software.

CRM suite of tools

Hosted online chat system.

Plugin for Podcasters using WordPress.

Freeware bulletin-board forum

Raindance offers audio and web conferencing solutions

Toll Free or Local Hosted Phone Service

Seesmic is a video micro blogging web application to make video uploading easier for those using webcams.

SkypeSync imports the contacts from your mobile phone to Skype.

Blog platform software.

Web 2.0 tools every Nonprofit should consider using. From photo sharing to article aggregation, these tools may be able to help your organization get connected with a broader community.

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Website to create a customized comic strip.

Tag-based interactive slide-show.

TeamViewer allows presenters to share PC or Mac desktops with participants on PCs or Macs.

Texticate lets organizations connect with their members by harnessing the power of cell phone text messaging.

Provides a unified video conferencing solution available from any device, anywhere and making on-line collaboration easy and effective.

twhirl is a desktop client for twitter, based on the Adobe AIR platform

Allows you to sort through your friends and followers and see a variety of info about them

Tool for posting to Twitter via email.

Vertical Response offers up to 10,000 free emails a month for nonprofits. It is a full-featured email newsletter and message blasting tool.

Based in the eLearning world, Blackboard Collaborate's “vOffice” version—their least expensive—is notably academic-focused. Features include breakout rooms, polls, online content library and much more. vOffice was originally developed by Elluminate inc. and in June 2011 it was acquired by Blackboard Collaborate.

Tool to create, send and track email campaigns. Supports managing email databases, scheduling and sending newsletters, fundraising, and surveys. Reporting tools track opens, clickthroughs, bounces, and member status.

A hosted service to make it easy to work in groups. Have group emails, text messages, folders, calendars, links and meetings. Designed to bring all of group communication pathways into a central, simple place, Wiggio provides a place for social collaboration.

Online collaboration tool offering many Project Management features.