IDE
An integrated development environment (IDE) might be the best way to go if you are a software developer and need to be aware of all parts of your project at the same time. IDEs usually come with built-in compilers, source editors, revision managers and a lot more useful features.
Forensic Toolkit
CryptoSharp Security Library
SQL VB ASP Code Generator
Serial Comm ActiveX
Groovy Hex Editor
Qt
LibUSB-Win32
MapBasic
Microsoft Visual Studio 2015
Eclipse
Bytescout Spreadsheet SDK
Black Ops 2 - GSC Studio
Explorer Suite III
FlowChartX control
AVR Simulator IDE
MstGrid Control for .NET
Active-HDL
Flowcode for AVR
Wing IDE 101
Minimal SYStem
GeographicLib
TeeChart for PHP
MyEclipse for Spring
EntiPro
ActiveState ActiveTcl
RStudio
Java Device Manager
Makefile Creator
HM NIS Edit
Discover FDM
Add-on support
You can get add-ons that download files/video from arbitrary websites.