Eric is a full featured Python and Ruby editor and IDE, written in Python. It is based on the cross platform Qt GUI toolkit, integrating the highly flexible Scintilla editor control. It is designed to be usable as an everyday quick and dirty editor as well as being usable as a professional project management tool, integrating many advanced features that Python offers the professional coder. Eric includes a plug-in system, which allows easy extension of the IDE functionality with plug-ins downloadable from the net. Current stable versions are Eric4 based on Qt4 and Python 2 and Eric5 based on Python 3 and Qt4.
Refinery is a Ruby on Rails content management system for small business sites where the client needs to be able to update their Web site themselves without being bombarded with anything too complicated. It is truly aimed at the end user, making it easy for them to pick up and make changes themselves.
Estimer is a Redmine plugin that allows you to estimate your software projects. It can calculate two types of software estimations: function point estimations (IFPUG) and use case estimations. Function point estimations are software estimations based on function points. A function point is a unit of measurement to express the amount of business functionality that the information system provides to users. Use case estimations are software estimations based on use cases and actors.
FusionCharts is a Flash charting component that can be used to render data-driven and animated charts in your Web and dekstop applications and presentations. FusionCharts is a cross-browser and cross-platform and can be used with any scripting language and database. It is used with ASP.NET, ASP, PHP, JSP, ColdFusion, Ruby on Rails, Python, simple HTML pages, or even PowerPoint presentations. You do not need to know anything about Flash to use FusionCharts. All you need to know is the language you're programming in. FusionCharts offers over 45 types of 2D and 3D charts.