Liferea (Linux Feed Reader) is a fast,
easy-to-use, and easy-to-install GTK/GNOME desktop
news aggregator for online news feeds and Web
logs. It supports the important syndication
formats (Atom, RSS, and OPML). Liferea supports
Lilina is a news aggregator for your server. It works on PHP 5, and does not require extensions such as cURL. It also includes the HTML Purifier library to keep you safe from any hacked feeds.
A library to solve the Schroedinger equation numerically.
A folding text editor.