Science & more

Stellarium is a great virtual planetarium app for enjoying the night sky, featuring over 120k celestial objects and customizable navigation.

Phet offers interactive simulations in physics and chemistry, covering topics like momentum and electricity, accessible offline and available in multiple languages.

GeoGebra is an open-source application for learning geometry, algebra, and calculus, featuring dynamic graphing tools and a vast online resource catalog for students and teachers.

Freeplane is a tool for creating and designing mind maps, offering dynamic links, customizable nodes, extensive formatting, and a built-in text editor for organized idea representation.

Gaia Sky is a free, open-source astronomy software for Mac that creates 3D simulations, allowing exploration of billions of celestial bodies in real-time, with optional datasets for enhanced detail.

Math Stars Plus promotes basic arithmetic through timed quizzes, where kids solve problems to earn stars and track their progress.

Phun allows users to draw objects, applying physics laws like acceleration and gravity, to create complex machines with special movements and templates for easy start.

Elements is a comprehensive periodic table displaying various properties of chemical elements and includes a calculator for atomic mass.

Trigger is a Mac application that aids in mastering difficult trigonometry concepts through interactive graphics, enhancing understanding of elliptic, parabolic orbits, and conics.

Celestia is an interactive tool for exploring hundreds of celestial bodies, allowing users to navigate and learn about the universe in an engaging way.

SpaceTime is a multiplatform application for various mathematical operations, featuring tutorials and 2D/3D graphics for functions, derivatives, and integrals.

Jmol is a Java-based multiplatform application for viewing 3D chemical structures, with desktop and web browsing tools, providing measurement details, animations, and various file format outputs.

SpeedCrunch is a high-precision scientific calculator with 50 preset functions, unlimited variable storage, smart autofill, operation history, and syntax highlighting for enhanced usability.

DigitizeIt extracts data from charts in various image formats, requiring manual value assignment and some mathematical knowledge, but is a unique and useful tool despite its complexity.

Graphmatica is a user-friendly math application for creating graphics of functions, inequalities, and differential equations, supporting multiple graphics and offering export options.

SkyOrb is a Mac OS X Leopard tool that allows users to explore the night sky in 3D, simulating celestial bodies and events from anywhere on Earth.

Tux of Math Command is an educational game for kids that helps practice math skills by destroying asteroids with correct arithmetic answers before they reach Earth.

AlgeBasics simplifies algebra concepts for students by breaking down operations and providing clear examples, making learning easier for everyone.

World of Where is an engaging tool for learning political geography, offering quizzes on country locations, capitals, flags, maps, and more, covering all continents and the solar system.

The Alchemist's Challenge helps users learn about chemical elements through quizzes, covering symbols, electron configurations, and balancing equations, but lacks a periodic table.

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