TwapperKeeper is now called Hootsuite Archives and can be accessed from within Hootsuite.

Scrivener is software for writing that includes virtual index cards, outlining, version control, import/export options, and scriptwriting features, and provides a management system for notes and documents plus support for document metadata.

It allows the creation of documents from sub documents, ebook (epub and Kindle/mobi) and TeX and LaTeX export as well as ODF, PDF and Microsoft Word exports.

A Linux version is in beta, and an iOS version is reportedly under development

Navicat for MySQL is an interface for working with MySQL databases, including importing data from CSV or Excel, exporting, reporting, querying, and for developing scripts etc, and general database exploration

Navicat for MySQL can also be used with MariaDB databases

Photoshop Express allows simple web-based image editing and cloud storage (2 GB free via Adobe Revel), as well as video storage and streaming, slideshow templates, and a photo gallery. Features include online galleries and slideshows, exporting and searching images, and privacy settings. Android, Windows and iOS (including iPad) apps are available.