Serna Enterprise for Linux
Serna Enterprise is a powerful and easy-to-use WYSIWYG XML editor for collaborative authoring of structured documents. Full DITA support. C++ and Python API available for extension and integration. Available for Windows, Linux, MacOsX, SunSolaris.
Komodo Edit (Linux/x86 libstdc++6)
Komodo Edit from ActiveState: a free, multi-platform, multi-language editor (PHP, Python, Ruby, Perl, Tcl, JavaScript plus more). With background syntax checking and coloring catch errors immediately, while autocomplete and calltips guide you.
CDBF for Linux
CDBF is a powerful database viewer and editor that lets individuals and business users access databases directly without programming via the familiar Windows interface. This small and handy utility offers everything you need for working with database
fMath Web Editor
fMath Web Editor is the best editor to create and edit equations on web. It has more than 20000 symbols to display and a rich interface. The formula can edited by interface or in MathML or in LaTeX. And is free of charge to use and to distribute.
TextMaker for Linux
If you want your word processor (a) to provide all the features of a modern high-end word processor, (b) to seamlessly read and write Microsoft Word documents, and (c) to be available on multiple platforms, look no further: TextMaker is here!
Zend Studio for Linux
Zend Studio is the only Integrated Development Environment (IDE) available for professional developers that encompasses all the development components necessary for the full PHP application lifecycle.
TreePad Professional for Linux
All in one! Intuitive tree-based PIM/database, multi-functional search with regular expressions, boolean search, etc; advanced encryption, password protection, Rich Text Word Processor, character map, favorites, hyperlinks, (rev)sort, backup, etc.
RazorSQL
Query, edit, browse, and manage databases. RazorSQL includes an SQL editor, query tool, and built in database. Visually create, edit, alter, drop, and view objects as well as import and export data. Browse objects with the database navigator.
ECMerge compares and merges safely your files and folders, side-by-side or 3-way. It provides syntax colouring for many languages, supports many office and archive formats, pretty prints XML. It generates patch/XML/HTML reports for review or reuse.
Komodo IDE (Linux/x86 libstdc++6)