Hackpad.com/ is the best wiki ever
Easy to edit documents keep everyone on the same page. Authorship colors show you who wrote what. Easy sharing. Invite collaborators by name or email, or just share the URL.
Link at the speed of thought. Just type '@' and you're creating links or new pages. Changes are emailed to everyone. Email reply to update pages quickly.
Collusion is an experimental add-on for Firefox and allows you to see all the third parties that are tracking your movements across the Web. It will show, in real time, how that data creates a spider-web of interaction between companies and other trackers.
Socialba.com is a super top extension, provide two-way syncs Google+, Facebook, Twitter, VKontakte( VK.com ), Plurk, Weibo, T.QQ.com, renren.com, kaixin001.com, qzone.qq.com and so on. It supports article, video, pictures and web links.
"This page describes the mastodon.social instance - wondering what Mastodon is? Check out joinmastodon.org instead! In essence, Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!"
Our flagship product, securing access to online services, networks, computers and mobile devices. Instantly and with no client software. The YubiKey sets new global standards for strong two-factor and passwordless authentication.
"Collect your thoughts
Milanote is a place to put it all together. See your ideas, notes, inspiration and research side by side.
Explore your options
Milanote's fast & tactile interface makes it easy to experiment, play, generate ideas and explore possibilities."