Best Knowledge Search Engine Products in 2025

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

Key Avogadro features:

Open Source Cross-platform User-friendly Interface Extensible

Preferred Patron is the top Customer Loyalty Software Program for businesses in any industry of any size.

Key Preferred Patron features:

Marketing SMS Text Messaging Email Marketing Digital Rewards Management

Visit website paid $149.0 / Monthly (Small Biz Edition - White labeled (5,000 Active Member Limit))

ACD/ChemSketch for personal and academic use brings the power of our structure drawing package to your home computer.

Key ACD/ChemSketch features:

Comprehensive Drawing Tools Free for Academic Use 3D Structure Visualization Integration with Other ACD/Labs Software

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

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

GPeriodic is a periodic table application for Linux.

Key GPeriodic features:

Easy to Use Interface Lightweight Software Offline Access 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

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

Explore the chemical elements through this periodic table.

Key WebElements features:

Comprehensive Information User-Friendly Interface Visual Aids Regular Updates

PyMOL is a powerful and comprehensive molecular visualization product for rendering and animating...

Key pymol features:

Visualization Capabilities Customization Scripting Support Publication Quality Output

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.

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

Jmol is a free, open source molecule viewer for students, educators, and researchers in chemistry...

Key Jmol features:

Open Source Platform Independent Broad File Format Support 3D Visualization Capabilities

The Gnome Chemistry Utils include six chemistry related programs:.

Key Gnome Chemistry Utils features:

Open Source Integration with GNOME Educational Tools Multi-platform