Best Knowledge Search Engine Products in 2026

Bring a Periodic Table with you anywhere you go.

Key Atomic - Periodic Table features:

Educational Resource Interactive Features User-Friendly Interface Detailed Information

Calculate in a notebook and share — from everyday math to engineering.

Key Calcumber features:

🌿 Naturally type expressions 🔗 Copy and share 🧩 Variables and constants 🧪 Scientific functions

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Interactive periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, and compound search. Full descriptions from write-up sources.

Key Ptable features:

Interactivity Comprehensive Information Customization Options Accessibility

Download this app from Microsoft Store for Windows 10. See screenshots, read the latest customer reviews, and compare ratings for Periodica - Periodic Table. .

Key Periodica - Periodic Table features:

User-Friendly Interface Comprehensive Element Information Educational Value Offline Access

Interactive periodic table of the chemical elements in 38 languages - Includes properties, history, name origin, facts, applications, hazards, isotopes and more.

Key Periodic-table.io features:

Interactive Interface Comprehensive Information User-Friendly Design Free Access

Open Source free

This is the Periodic Table of the Royal Society of Chemistry. It is ideal if you're a student, teacher or just have an interest in the chemical sciences.

The Gnome Chemistry Utils include six chemistry related programs:.

Key Gnome Chemistry Utils features:

Open Source Integration with GNOME Educational Tools Multi-platform

WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.

Key WolframAlpha features:

Powerful Computational Engine Natural Language Processing Wide Range of Knowledge Domains High-Quality Data

Kalzium (German for: Calcium) is a periodic table of the elements for KDE SC 4.

Key Kalzium features:

Comprehensive Chemical Information Interactive Learning Tools Open Source and Free Cross-Platform Availability

JChemPaint is an editor and viewer for chemical structures in 2D.

Key JChemPaint features:

Open Source User-friendly Interface Cross-platform Compatibility Integration with Chemistry Development Kit (CDK)

Avogadro is a free, fantastically easy to use molecule editor.

Key Avogadro features:

Open Source Cross-platform User-friendly Interface Extensible

2D Chemistry drawing App for Linux, Max and Windows.

Open Source

A Periodic Table of Elements that contains more than 25 scientific truths about each element...

Key Periodic Table of Elements features:

Interactive Design Comprehensive Information Educational Resource User-Friendly Navigation

BKChem is a free (as in free software :o) chemical drawing program.

Key BKchem features:

Open Source User-friendly Interface Platform Independence File Format Support