Run latest Version of Primer3Plus

This is the latest version of Primer3Plus. It might be not as stable as the older version
but has all new features. The old versions are found on the bottom of this page.
Please do use it so we can improve the software.

Other Web Resources

Primer3Web at the Whitehead Institute

The latest version of Primer3Web running at the Whitehead Institute.

Primer3Web

The latest version of Primer3Web.

Download Primer3

Get your own copy of Primer3, the command line program.

Primer3 Development

On this place the efforts of developing Primer3, Primer3Plus and Primer3Web are
coordinated. Please go there for bug reports, feature requests and support.

Molbi - Molecular Biology Webpage

This page is focused on everything a molecular biologist may need in the lab for his
work. The best are the basic molecular biology protocols which are well explained, so
even beginners will not fail.

Old Versions of Primer3Plus:

Primer3Plus 1.1.0

The first published version of Primer3Plus.

Old Versions of Primer3Web:

Primer3Web 3.0.0

The latest version of Primer3Web.

Primer3Web 2.0.0

An even more improved version of Primer3Web.

Primer3Web 0.4.0

An improved version of Primer3Web.

Primer3Web 0.3.0

The first open source version of Primer3Web.