#1: Slick
Developer Ken Wheeler calls Slick “the last carousel you’ll ever need.” Slick is a swipe-enabled, fully responsive plug-in that scales with its container and separates settings per breakpoint. Infinite looping. Slide filtering, autoplay, callbacks, whatever you need, Slick can handle.

#2: WebScaleSQL 5.6
Based on the MySQL 5.6 community releases, the newest version of WebScaleSQL boasts optimizer improvements for all-around query performance, InnoDB improvements for higher transactional throughput, and new NoSQL-style memcached APIs. There are also partitioning improvements for querying and managing large tables, and better performance monitoring by expanding the data available through the PERFORMANCE_SCHEMA.

#3: Papers We Love has reemerged on the Top 5, after first appearing on the list nearly a month ago.

#4: Portia
Portia is a tool for visually scraping websites without any programming knowledge. This Scrapinghub project has a Web-based UI hosted on a Twisted server, allowing for cross-platform installation. Just annotate Web pages with a point-and-click editor to indicate what data you want to extract, and Portia will learn how to scrape similar pages from the site.

#5: Pyringe
This Max Wagner internship project-turned Google open-source experiment is a Python debugger capable of attaching to running processes, inspecting their state and even injecting Python code into them while they’re running. With Pyringe, you can list threads, get tracebacks, and inspect locals/globals/builtins of running functions, all without having to prepare your program for it.

#6: Honorable mention for WinJS
Learn more about Microsoft’s Windows Library for JavaScript and other recent developer releases in our coverage of the 2014 Build Developer Conference.