Free open source social browser. URL: Flock.
Social bookmarking, social RSS syndication, trend discovery. URL: Socialmarks.
Web word processor and secure web document sharing. UPDATE: Writely was purchase by Google and is now “Google Docs”. eHub Interviews Writely URL: Writely.
Mozilla Developer Center for AJAX. URL: AJAX Devmo.
Ruby on Rails command-line web experiment done in 24 hours (!) URL: YubNub.
World map of video blogs and vlogs using Google maps. URL: vlogmap.
Social bookmarking, tagging, search. URL: Simpy.
Social bookmarking, tagging, search. eHub Interviews RawSugar URL: RawSugar.
Track your site visitors in real time using a Google map. gVisit Visitor Maps URL: gVisit.
Free, online collaboration tool for papers, projects, and more. URL: Web Collaborator.
Social bookmarking of blogs. URL: Blogmarks.
Ruby on Rails blog, open source. URL: Typo.
Your own Apache server, Ruby on Rails hosting, and more. URL: GrokThis.
Official Ruby on Rails hosting. URL: TextDrive.
Turn-key Ruby on Rails hosting. Coming back soon. URL: RailsAppHosting.
Paid Ajax blog statistics. URL: Mint.
Blog statistics and traffic tool. Launch pending. URL: Measure Map.
Color generation and collaboration tool with tagging. URL: Colr.
Location mapping, geotracking and discovery. eHub Interviews Plazes, Social Design Opens Wide URL: Plazes.
RSS creation, tracking, and multiple format RSS feeds. URL: Feedburner.
Online RSS and news reader. URL: Rojo.
Personal pages for sharing, list-making, planning. Free or paid. URL: Backpack.
Register, browse upcoming events, notifications, and social networking. URL: Upcoming.
Social bookmarking, tagging, search. URL: del.icio.us.
Online color matching and palettes. eHub Interviews ColorBlender URL: ColorBlender.
Photo sharing, personal account and photo community. Free and paid accounts. URL: Flickr.
Project management, file sharing, project communications. URL: Basecamp.
Web 2.0 API Reference site with technical specification breakdowns. URL: ProgrammableWeb.
Wiki for finding web services and open APIs. URL: wsfinder.
Video sharing, tagging, uploads, and community. URL: YouTube.