Social Source Commons

Mozilla's Open Source email client

Portable Gaim is the versatile Gaim instant messaging client packaged as a portable app, so you can take your IM settings and buddy lists with you. The Off-the-record plugin is also included for secure, encrypted messaging

Providing free conferencing services include audio, operator assisted, web, and data conferencing solutions.

Campaign Window is a self-service website package and activism tool -- Users can sign up and have their own website (with CMS) and it also has GOTV, Email blasting, Action alerts, etc.

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.

Emma® is a unique service that's helping organizations everywhere bring style and sophistication to their email marketing and communications.

Raindance offers audio and web conferencing solutions

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

Voip and instant messaging software.

Raketu is an instant messenger that allows you to make calls from PC to PC and dialing out to landlines and mobile phones

Java chat server software

Transcribes typed text into snail-mail, sending included.

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

Professional wiki collaboration software for workgroup collaboration. ProjectForum is a wiki for small-medium teams who need to collaborate. Comes in limited free and licensed options. Also an instruction-oriented version called Course Forum (see the web site).

Compose newsletters and invitations to send customized e-mails to a database of contacts

Single-topic web forum that's also fully email-enabled.

Send faxes via email.

Hosted online chat system.

Message board software.

Hosted communication management system, part of Antharia FortyFourFish Suite

Allows organizations to distribute messages to interested parties via whatever channel (IM, email, SMS, etc.) each individual has setup as their preferred method.

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.

Web conferencing and eLearning solutions.

Hosted tool for email newsletters, forms and "landing pages". Emphasis on reporting tools

Video email service.

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

MeBeam offers a webcam community that allows you to see, hear, and chat with many people through your web browser.

Tool that combines Skype with MySpace.

Plugin for Podcasters using WordPress.

Project management system for developer teams

aMSN is an open source MSN Messenger clone, with features such as: display pictures, custom emoticons, multi language, webcam support, full-speed file transfer, chat logs, conferencing support, event alarms and more.

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.

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

TwitterCounter is a service for Bloggers, Social networkers and other well connected individuals to communicate and track the number of followers they have on Twitter

CRM suite of tools

CRM suite for small businesses.

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

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.

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

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

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

Hosted notetaking site.

On-line list management application

Online multi-client chat software.

PeerCast is a simple, free way to listen to radio and watch video on the Internet. It uses P2P technology to let anyone become a broadcaster without the costs of traditional streaming.

Website to create a customized comic strip.

From the single secure web site, you can record billable time, create invoices, help your customers with support issues, generate quotes, manage projects, track sales leads, share documents, run an email marketing campaign, schedule meetings, create online forms, write a blog, generate detailed reports and more.

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 software.

Free for Non-Profits and Schools but the same functionality as Google Apps Pro.

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.

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

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

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

CSipSimple is a Voice over Internet Protocol (VoIP) application for Google Android operating system using the Session Initiation Protocol (SIP).

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

Free and open source iPhone app that employs end-to-end encryption, allowing users to send messages and make calls while keeping their communication safe