Social Source Commons

VOIP service.

Free temporary phone number for use in public listings such as Craigslist.

Accessible both through the web-site and as an iPhone app, Extraordinaries is a tool that allows you to "micro-volunteer" through short, easy and quick tasks that aid different nonprofit organizations.

A hosted web application that allows you to call telephone numbers for free from a web browser. Using the Talkster network, FreeRinger allows the receiving of incoming calls from regular or internet phones as well as features such as hyperlink speed-dialing.

FrontlineSMS provides an affordable, standalone turn-key solution to NGOs, allowing them to access 'group' SMS technology.

a voip/IM client like Skype, but based on open protocols

otVoice converts your cell, home and work voicemail to text and sends it to your phone and email.

Mass phone-call and texting service.

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.

The Mobile Tools module provides Drupal developers with some tools to assist in making a site mobile.

Tool that combines Skype with MySpace.

Orbot is an application that allows mobile phone users to access the web, instant messaging and email without being monitored or blocked by their mobile internet service provider. Orbot brings the features and functionality of Tor (read more below) to the Android mobile operating system.

Ostel is a tool for having end-to-end encrypted phone calls. Our goal is to promote the use of free, open protocols, standards and software, to power end-to-end secure voice communications on mobile devices, as well as with desktop computers.

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

Toll Free or Local Hosted Phone Service

Soonr allows you to sync selected files between your computer and your phone. It also allows you to secure your files with continuous backup, access your files from anywhere (even when the computer is off) as well as print all of your files.

Survey Creation Software

SIP-based VOIP software.

Meeting, scheduling, and calendar tool, with phone service free to nonprofits.

Vocito allows you to use GrandCentral on your Mac Desktop.

GrandCentral consolidates your phone calls and messages into a single number and now you can access that simplicity from your desktop.

The Voxwire Meeting Room is an unlimited computer-to-computer web conferencing application that allows people to talk to each other, send text-messages, and see the same website or other presentation on their screens

Wengo is a VoIP provider which allows you to make free PC to PC calls regardless of your partner's voip platform.