KCalc Alternatives & Competitors

SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .

Key SpeedCrunch features:

High Precision Expression Parsing User-Friendly Interface Keyboard Shortcuts

Qalculate! is a multiplatform multi-purpose desktop calculator.

Key Qalculate! features:

Versatility Extensive Unit Conversions Currency Conversion Customizability

Open Source

Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!

Key GeoGebra Scientific Calculator features:

User-Friendly Interface Comprehensive Calculation Features Cross-Platform Availability Interactive Graphics

Electronics Calculator is one of the best mobile apps that consist of various electronic conversions, references, calculators, and tables.

Powerful calculator application for Linux mobile and desktop devices.

Key Kalk Calculator features:

User-Friendly Interface Open Source Cross-Platform Availability Advanced Features

Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.

Key Soulver features:

Intuitive Interface Live Calculations Natural Language Processing Versatile Units and Conversions

Get help, support, and tutorials for Windows products—Windows 10, Windows 8.1, Windows 7, and Windows 10 Mobile.

Key Event Viewer features:

Comprehensive Logging Centralized Management Real-Time Monitoring Search and Filtering

Fast and resource-sensitive file manager for the terminal.

Key nnn features:

Lightweight Fast Terminal-based Feature-rich

A powerful command-line bookmark manager.

Key Buku features:

Privacy-focused Command-line Interface Fast Search Capabilities Tagging Support

The Log File Navigator (lnav) is an advanced log file viewer for the console.

Key LNAV features:

Interactive Terminal UI Automatic Log Format Detection Live Log Monitoring SQL Queries

Open Source

Julia is a sophisticated programming language designed especially for numerical computing with specializations in analysis and computational science. It is also efficient for web use, general programming, and can be used as a specification language.

Key Julia features:

High Performance Ease of Use Strong Support for Mathematical Computing Multiple Dispatch

Open Source

CliFM is a completely CLI-based, shell-like and KISS file manager written in C: simple, fast, and lightweight as hell.

Key CliFM features:

Efficiency Customization Low Resource Usage Scriptable

A disk usage free utility for Linux.

Key duf features:

User-Friendly Interface Cross-Platform Support Customizable Output JSON Output