Mr. Free Tools - The Most Advanced Directory of Free Tools
Canny Changelog - Announce your newest product updates
Stashes - Start your own curated directory and discover awesome resources.
Changelog by Versoly - Free changelog for your product updates
ToolSalad.com - A Curated Directory of 204+ Online Marketing Tools for Startups, Bloggers, SEOs, and Marketers.
Changefeed - A beautiful changelog for your product in seconds