The best Calculator alternatives
5 tools that do a similar job to Calculator, 5 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.
You're replacing
CalculatorThe Windows Calculator app source code, the one that ships pre-installed with Windows.
- 1
Files
Open source · MIT · ★ 46.4k
A modern Windows file manager for organizing files and folders.
Best for: Windows users who want a more modern alternative to File Explorer; People who manage many folders and want a tabbed or organized browsing experience
- 2
DevToys
Open source · MIT · ★ 32.2k
A desktop bundle of small tools for everyday developer tasks like encoding, formatting and converting.
Best for: Developers who often decode, encode, or format small pieces of data; People who prefer not to paste data into unknown online websites
- 3
UniGetUI
Open source · MIT · ★ 26.8k
A single window to install, update and remove software from many package managers.
Best for: Windows users who already use WinGet, Scoop or Chocolatey and want one place to manage them; People who find command-line package managers unfamiliar but still want their software kept up to date
- 4
PowerToys
Open source · MIT · ★ 140k
A set of Windows utilities for customizing the desktop and speeding up everyday tasks.
Best for: Windows users who want more control over window layout and multi-monitor setups; People who rename many files at once or want quick text transformations
- 5
Notepads
Open source · MIT · ★ 10.3k
A lightweight Windows text editor with tabs, Markdown preview, and a diff viewer.
Best for: People who want a simple, modern replacement for Windows Notepad; Users who edit notes or config files and want tabs and session restore
How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to Calculator. We don't take payment for placement.