Editing Filter (section)

===Computing===
* [[Filter (higher-order function)]], in functional programming
* [[Filter (software)]], a computer program to process a data stream
* [[Filter (video)]], a software component that performs some operation on a multimedia stream
* [[Email filtering]], the processing of email to organize it according to specified criteria
* [[Content-control software]] also known as an Internet filter
* [[Wordfilter]], a script typically used on Internet forums or chat rooms
* [[Berkeley Packet Filter]], filter expression used in the qualification of network data
* [[DSL filter]], a low-pass filter installed between analog devices and a telephone line
* [[Helicon Filter]], a raster graphics editor
* [[Filter (large eddy simulation)]], a mathematical operation intended to remove a range of small scales from the solution to the Navier-Stokes equations
* [[Kalman filter]], an approximating algorithm in optimal control applications and problems
* [[Filter (social media)]], an appearance-altering digital image effect for social media