Tools: A - K  |  TOOLS: L-Z

These social media platforms include public social networks as well as tools to create private collaborative, social spaces for groups or communities, as well as enterprise collaboration systems (with multiple group sites)

Key:
N=Public social networks, P=private/closed social networks
G=group/community spaces  E=Enterprise (intranet) collaboration
= a Top 100 Tool, click on the star for more info

L	N	P	G	E
Liferay Social Office A social collaboration solution for the enterprise. This full virtual workspace streamlines communication, saves time, builds group cohesion and raises productivity. Integration with Microsoft Office and Sharepoint Free, Download		x	x	x
LinkedIn Social network for professionals; groups can be set up Free, Hosted	x		x
LiquidPlanner Online project management software that offers teams a complete project environment, rich social networking features, and a revolutionary way to manage uncertainty. £, Free Trial, Hosted			x	x
Lotus Quickr team collaboration software that helps you share content, collaborate and work faster online with your teams - inside or outside your firewall. £, Hosted/Installed			x	x
M	N	P	G	E
Mahara User centred environment with a permissions framework that enables different views of an e-portfolio to be easily managed. Mahara also features a weblog, resume builder and social networking system, connecting users and creating online learner communities Free, Open Source, Download		x	x	x
miaplaza Online community tool to find like-minded people with common interests and hobbies. Free, Hosted	x
Microsoft Groove Work together and share information with team members — anywhere, anytime and with anybody. £, Free Trial, Download			x
Microsoft Office Sharepoint Server 2007 supports all intranet, extranet, and Web applications across an enterprise. Additionally, this collaboration and content management server provides IT professionals and developers with the platform and tools they need for server administration, application extensibility, and interoperability £, Installed				x
Microsoft Sharepoint 2010 Business collaboration platform for the enterprise and the web £, Installed				x
Mighty Touch A tool easily converting your Joomla website to a social network. The only Joomla extensions with such spacious functionality. £, Free trial, Download.		x	x
MindTouch an agile enterprise collaboration platform that blends the ease of use and collaborative capabilities of an enterprise wiki with the scalability, extensibility and security of an enterprise portal. Free, Open Source Download or £, Hosted			x	x
MyOffice a subscription based 'virtual office' designed for small to medium-sized businesses.  Share diaries, contacts, emails, tasks and files with your colleagues ... work from different locations £, Free trial. Hosted			x
Mzinga OmniSocial includes the broadest range of social media and networking, web collaboration, and learning and performance applications on one single platform £, Installed		x	x	x
N	N	P	G	E
Ning Platform to build private social websites.  Uses 3rd party apps to provide extra functionality Free, Hosted		x	x
Nozbe Overwhelmed by all the stuff that needs to be done? A traditional to-do list hasn’t helped? £, Free Trial, Hosted			x
O	N	P	G	E
OfficeZilla share calendars, files, forums and more in a secure and private web place with no limits, ads, or fees Free, Hosted			x	x
onehub Secure, customizable workspaces for online collaboration and document sharing. £, Free Trial, Hosted			x	x
OneSite Customized white-label social networking partnership solutions £, Hosted		x	x	x
OpenaCircle Brainstorm, coordinate and share with colleagues, clients, friends and family in an application that bundles interactive video conferencing, desktop sharing, file storage, scheduling-calendar and instant messaging into one, easy-to-use web-based product. Free/£, Hosted			x
OpenTeams In addition to project collaboration, blogging, social networking, community building, and knowledge management, OpenTeams is an innovative initiative development solution where employees collaboratively seed and mature new ideas for additional revenue, productivity, and cost-savings £, Free Trial, Hosted		x	x
Orkut An online community designed to make your social life more active and stimulating Free, Hosted	x
P	N	P	G	E
PeopleAggregator Social Networking, blogging, ID Hub, content management and an aggregation engine are all available in source code form or a SaaS deal Free/Download or £/Hosted		x	x	x
Pinax is suitable for a wide variety of website: intranets, event management, learning management, software project management and more Free, Open Source, Download			x	x
PlanZone Collaborative project management software £, Free Trial, Hosted			x	x
Plaxo Connect to your family, friends, and business network Free, Hosted	x
Pligg CMS provides social networking software that encourages visitors to  submit content and connect with other users Free, Open Source, Download		x	x
Plum Make your own private social network. It only takes a minute. Invite the people you want to join the conversation. Free, Hosted		x	x
ProductiveTeams TeamLink Center share and store files and messages between a limited group of users who have focused issues to discuss. £, Free Trial, Hosted			x
Projectplace Dedicated space for a project team and one project or multiple teams and projects £, Free Trial, Hosted			x	x
ProjectSpaces a simple, secure, and powerful online workspace and extranet tool to help your project teams, workgroups, committees, partners, and others easily connect, share and collaborate. £, Free Trial, Hosted/Installed			x	x
ProjectThingy Just copy and paste some html to get a project and large file (up to 1GB/file) collaboration tool that lives on your site - and looks like it too! Free, Add code			x
Protosphere takes collaboration to a new dimension by removing the barriers to communication and creating a persistent, socially networked environment where real work gets done. £, Free Trial, Installed			x	x
S	N	P	G	E
SelectMinds provides private, secure Corporate Social Network Software solutions to leading organizations to address specific business challenges by better connecting £, Installed		x	x	x
Sharetivity Research, save, share and collaborate £, Hosted	x		x
Skrbl Team resources for online collaboration. Powerful new features designed to let you work better together. Share resources with your team, co browse the web, annotate shared documents, video phone, skype calls ... share ideas, communicate & sync like never before. 'team-skrbl' is the next best thing to being in the same room. Free, Hosted			x
SnappVille The complete solution for Customer and Employee Centered Communities, including Deep Profiles, Landing Pages, Blogs, Groups, Forums, Polls, Feeds, Tags, Ratings, Comments, Bookmarks, Browse/Search and more £, Hosted		x	x	x
SocialGO Build a website with great social networking features in minutes. Your own design, custom features, privacy settings and easy to monetize Free, Hosted		x	x
SocialSiteCreator Create your own social network, innlcudes social networking template, hosting, and technical support. £, Hosted		x
SocialText The Socialtext collaboration platform gives you a better way to work. It includes social networking, microblogging, wiki workspaces with integrated blogs, distributed spreadsheets, and a personal home page for every user Free/£, Hosted/Installed		x		x
Sosius Share files and collaborate with colleagues, clients or partners wherever they are. Free/£, Hosted			x	x
Spree aims to create an active online community, especially in enterprises, where every user can ask questions or act as an expert helping fellow users Free, Open source, Download		x		x
Spruz A cutting edge social website creation technology that makes it easy for you to build a website with fully integrated social features Free, Hosted		x
Stixy Upload your work, add comments, share files, and more. Invite your co-workers and start collaborating. Free, Hosted			x
Study Curve Find answers to your questions. Develop the perfect study group.  Benefit from a wealth of knowledge Free, Hosted			x
T	N	P	G	E
TaskBin The only way to manage tasks while working in groups Free, Hosted			x
Teambox A place for your team in Twitter-like project collaboration tool. Free, Open source, Download			x
Teamwork Project Manager Easy-to-use online project management solution that helps managers, staff and clients work together more productively. Free/£, Hosted			x	x
Telligent Enterprise: a collaboration application that connects people and information, regardless of location. Employees can work whenever and with whomever they require – with closely-connected team members, or with subject matter experts around the world. Community: enables you to listen to, learn from and improve conversations with customers, partners and prospects £, Installed				x
ThoughtFarmer turnkey social intranet software. It enables innovative organizations to share knowledge, engage employees, and foster collaboration £, Installed		x	x	x
Threadbox The real time discussion tracking, file sharing, schedule coordinating, project managing, decision making tool Free/£, Hosted			x
Twiddla Mark up websites, graphics, and photos, or start brainstorming on a blank canvas. Browse the web with your friends or make that conference call more productive than ever. Free, Hosted			x
U	N	P	G	E
Upperz Social networking site for professionals Free, Hosted	x
W	N	P	G	E
WallWisher Collaborative noticeboard Free, Hosted			x
WebAsyst a suite of web applications for online collaboration to help your team organise a collaborative environment Free, Hosted or £, Download			x
Webex WebOffice Work more easily with coworkers, clients, and vendors in a WebOffice. Share documents, coordinate calendars, hold web meetings, manage tasks, build web databases, follow discussions, make announcements and run your business on the web. £, Free Trial, Hosted			x
WhoDoes 2.0 new version of the web-based application for the collaborative management of projects and coordination of the team. Free/£, Hosted			x
Wiggio The easiest way to communicate and work in groups Free, Hosted			x
Workflow-on-Wave = Itensil Workflow + Google Wave. provides "just enough" direction for teams to ramp up quickly, converge on a solution, and implement decisions effectively £, Free Trial, Hosted			x
X	N	P	G	E
Xing Social network for professionals Free, Hosted	x
Y	N	P	G	E
Yahoo Groups Group online space Free, Hosted			x
YooLinkPro a corporate social network solution. It allows you to share knowledge, build communities of interest and distribute corporate information internally £, Free Trial, Hosted				x
YouFig Create your own secure collaboration communities branded & customized for your business or organization Free, Hosted			x	x
YourMembership web 2.0 communities and membership software solutions include: all product features, custom design, hosting, future upgrades, customer service and training £, Hosted				x
Yuku community platform has all the features your members deserve. Rich profiles, chat, photo galleries, polls, community calendars, in-line video embedding, blogs... These features and more are making Yuku one of the fastest growing hosted community platforms. Free, Hosted		x		x
Z	N	P	G	E
Zimbra Collaboration Suite a truly modern, innovative messaging and collaboration application Free, Open Source, Download or £, Hosted			x