* Unlimited number of editors * Configurable window layout * Configurable syntax highlighting * Source code auto completion * Source code call tips * Source code folding * Brace matching * Error highlighting * Advanced search functionality including project wide search and replace * Integrated class browser * Integrated version control interface for Mercurial and Subversion repositories (as core plug-ins) and Git (as optional plug-in) * Integrated cooperation functions (chat, shared editor) * Integrated source code documentation system * Integrated python debugger including support to debug multithreaded and multiprocessing applications * Integrated profiling and code coverage support * Integrated automatic code checkers (syntax, errors and style [PEP-8]) * Integrated task (todo items) management * Advanced project management facilities * Interactive Python shell including syntax highlighting and auto completion Integrated interface to PyLint (as optional plug-in) * Many integrated wizards for regex and Qt dialogs (as core plug-ins) * Localizations. Currently Eric is available in English, German, French, Russian, Czech, Spanish, Italian, Turkish and Chinese. * Tools for previewing Qt forms and translations * Integrated web browser * Integrated interface to the enchant spell checking library

* Editor: Multi-language editor with function/class browser, code analysis features (pyflakes and pylint are currently supported), code completion, horizontal and vertical splitting, and goto definition. * Interactive Console: Python or IPython consoles with workspace and debugging support to instantly evaluate the code written in the Editor. It also comes with Matplotlib figures integration. * Documentation Viewer: Show documentation for any class or function call made either in the Editor or a Console. * Variable Explorer: Explore variables created during the execution of a file. Editing them is also possible with several GUI based editors, like a dictionary and Numpy array ones. * Find in Files: Supporting regular expressions and mercurial repositories. * File Explorer: The file explorer pane is a file/directory browser allowing the user to open files with the internal editor or with the appropriate application (Windows only). * History Log: The history log plugin collects command histories of Python/IPython interpreters or command windows.