Kalq is a free, open-source alternative to Photoshop. It is an image editing and graphic design software focused on photo retouching and compositing. Key features include layers, masks, filters and a full set of painting tools.
Free, open-source alternative to Photoshop for photo retouching and compositing, featuring layers, masks, filters, and painting tools.
What is Kalq?
Kalq is a free, open-source raster graphics editor intended as an alternative to proprietary photo editing and graphics software like Adobe Photoshop. It is designed for photo retouching, image composition and image authoring. Kalq enables complex graphics editing with its multilayered images support.
Some of the key features of Kalq include:
Multiple layers and masks for non-destructive editing
A wide range of selection, painting, retouching and transformation tools
Filters and effects like blur, sharpen, noise reduction and more
Support for common image formats like JPEG, PNG, GIF etc.
Comes with prebuilt brushes, gradients and patterns
Cross-platform - available on Windows, Mac and Linux
Completely free and open-source
Kalq is highly expandable and customizable via plugins. It has a Batch image processing tool to automate editing of multiple images. The full source code is available for developers to customize, port or learn from. Overall, Kalq provides a powerful alternative graphics suite for free.
Windows Calculator is a basic calculator application included in all versions of Microsoft Windows. It provides standard calculator functions like basic arithmetic, percentages, square roots, etc. as well as scientific calculator functions.Some key features of Windows Calculator:Supports basic arithmetic like addition, subtraction, multiplication, and divisionHas dedicated keys for percentage, square...
Google Calculator is a free web-based calculator offered by Google. It provides standard, scientific, and programmer calculator functionality for fast mathematical calculations and unit conversions right in your web browser.Some key features of Google Calculator include:Perform basic arithmetic like addition, subtraction, multiplication, and divisionDo scientific calculations such as trigonometric, logarithmic,...
SpeedCrunch is an open-source, cross-platform desktop calculator that focuses on providing advanced mathematical functions in a simple, easy-to-use graphical interface. It is designed to be very lightweight and responsive while supporting a wide range of calculations.Some key features of SpeedCrunch include:Standard calculator functions - addition, subtraction, multiplication, division, percentages, memory,...
RealCalc Scientific Calculator is a powerful calculator app for Android. It offers a wide range of mathematical and scientific features beyond a basic calculator, allowing users to perform advanced calculations with ease.RealCalc provides functions for trigonometry, logarithms, exponentials, fractions, permutations, statistics and more. It has a clean, intuitive interface that...
PCalc is a powerful and full-featured calculator app developed by James Thomson originally for iOS and later brought to macOS. It goes far beyond the basic calculator app provided by Apple, offering a wide range of mathematical and conversion capabilities.Key features of PCalc include:Supports basic and scientific calculator modes with...
KAlgebra is a free, open-source educational mathematics software with a focus on algebra, geometry and calculus. It provides a graphical interface and computational tools for working with equations, functions, graphs, vectors, matrices and more.Some key features of KAlgebra include:Interactive 2D and 3D graphing with zoom/pan capabilitiesStep-by-step equation solver for algebra...
Simple Calculator is a free calculator application designed for basic math calculations and operations. It provides an easy-to-use interface for carrying out arithmetic such as addition, subtraction, multiplication and division.This app is great for quickly calculating sums, differences, products or quotients. It has large buttons for ease of tapping numbers...
GeoGebra is a free and open source dynamic mathematics software for all levels of education that joins geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package. It has received several educational software awards and is used by millions of students and teachers around the world.Some key features of...
GNOME Calculator is a free, open source calculator app developed as part of the GNOME desktop environment for Linux and Unix-based operating systems. First introduced in 1997, it aims to provide a simple yet usable scientific calculator integrated into the GNOME desktop.GNOME Calculator supports standard arithmetic operations like addition, subtraction,...