periodum
The premium Open Source alternative to Ptable
🎯 Best for:Educational institutions seeking a self-hosted chemistry reference
What is periodum?
Replaces static textbook charts and proprietary chemical reference apps. Features a web-based interface for exploring atomic properties, isotopes, and electron configurations.
Tech Stack
VueChemistry & Materials
Why periodum?
- • Responsive web design
- • Detailed element metadata
- • Interactive filtering
Limitations
- • Web-only interface
- • Limited advanced thermodynamics
- • Requires hosting for private use
1/28/2026
Last Update
65
Forks
30
Issues
OSL-3.0
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to periodum instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Ptable)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%