TextAdept is a fast, minimalistic text editor that can be extended through Lua. The application is free, open source and runs on Windows, Mac OSX and Linux.
TextAdept features unlimited split views, support for over 80 programming languages, powerful snippets and key commands, code autocompletition and API lookup and is entirely keyboard driven.
For this new release the code has been completely rewritten and NeonView was ported to GTK+ 3.
Profile Sync Daemon is a tool to move the web browser profile to RAM, using tmpfs, which has the advantage of reducing disk writes (useful for SSDs, some would say), increased speed and responsiveness.
TeamViewer is a popular application for remote control, desktop sharing, file transfer, online meetings and more, that's available for Windows, Mac OSX, Linux, Android and iPhone.
erra is a Python / GTK3 drop-down terminal emulator similar to Guake or Yakuake, which shows up from the top of the screen when you press a keyboard shortcut, like the console used in games such as Quake.
flareGet is download manager for Linux that features dynamic file segmentation, HTTP-pipelining for accelerated downloads, supports HTTP, HTTPS, FTP and metalinks and more. The application is free to use but not open-source.