Best chemistry plugins for WordPress
The most popular chemistry plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Periodic Table Widget leads with 20+ active installs, ahead of iWorks Aquarium Tracker (fewer than 10) and Branching Software Chemical Structure Search for WooCommerce (fewer than 10). All 3 plugins tagged “chemistry” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 3 chemistry plugins
- 1.Periodic Table Widget
The most installed chemistry plugin, with 20+ active installs. Only 1 review so far, last updated 7 years ago. Tested only up to WordPress 4.9.35.
- 2.iWorks Aquarium Tracker
Fewer than 10 active installs. No reviews yet, updated 1 month ago.
- 3.
Branching Software Chemical Structure Search for WooCommerceFewer than 10 active installs. No reviews yet, updated 1 month ago.
All 3 plugins tagged “chemistry”
Periodic Table Widget
Down in the last 7 days:654#26,422by Md. Mahafuzur Rahaman8 years ago
This is a periodic table widget, which show one element at a time with some information about the element.
- Installs
- 20+
- Rating
- 5.0(1)
- Downloads
- 0/day
iWorks Aquarium Tracker
Up in the last 7 days:3,798#52,608by iworks (Marcin Pietrzak)1 month ago
Keep your tank in tune!
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Branching Software Chemical Structure Search for WooCommerce
Down in the last 7 days:8,735#72,077by Branching Software1 month ago
Draw a molecule, find the product. Structure, SMILES, CAS and name search for chemical catalogs, rendered with your own theme.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day