Pebbles: OS calculator for scientists and statisticians for Gnome Linux desktops

For so long, we didn't have a fancy calculator on Linux desktops, but now we have Pebbles.

Pebbles is a lightweight multi-mode calculator intended for students, scientists and statisticians. Even more,  it is completely free (Libre) open-source project with active development team of 5.

Although, Pebbles is built primarily for elementaryOS, other distro users can install it easily, especially on Arch Linux, Manjaro, Ubuntu and Debian. The only requirement to install it from source there is "vala" as an additional dependency.

Different modes

  1. Scientific mode
  2. Programmer mode
  3. Calculus mode
  4. Statistics mode
  5. Date Calculation mode


  1. Lightweight
  2. Touch-screen support (tested)
  3. Fancy user-interface
  4. History
  5. Binary format
  6. Converters
  7. Dark and light theme support



Download and Install

1- Flatpak package

flatpak install flathub com.github.subhadeepjasu.pebbles
Install from Flathub store
flatpak run com.github.subhadeepjasu.pebbles
Run Pebbles

2- Build from source


Padloc, The Open-source Password manager for teams and enterprises that works everywhere

What is Padloc?Padloc is a dead-simple password manager app for users who want to get the job done without any distractions and clutter. Padloc is a free, open-source solution but also offers a web service that helps the user to sync and st.......Read more...

QtPass is a free, open-source multiplatform Password manager

What is QtPass?QtPass is an open-source, free password manager GUI for the standard Unix password manager "pass" application. The "pass" password manager is a command-line open-source feature-rich application that follows Unix's philosophy........Read more...

Buttercup: a simple user-friendly Password manager for all platforms

What is Buttercup?Buttercup is a lightweight password manager for desktop and mobile. It comes with a strong 256bit AES encrypted vault that keeps your passwords and credentials secure and safe. Buttercup is a completely free, open-source.......Read more...

AuthPass is a KeePass compatible free Password manager for Windows, macOS, and Linux

What is AuthPass?AuthPass is a multi-platform, free, and open-source password manager for all types of users. AuthPass is fully compatible with the popular open-source KeePass password manager, which many consider the father of open-source.......Read more...

Spectator is an open-source REST-API testing app for Linux

What is Spectator?Spectator is a free, open-source (Libre) REST-API testing program for Linux. It is written in Vala programming language and GTK. The app allows developers to make requests to test their web endpoints, create custom environ.......Read more...