Binary Tree Poems - An experimental poetic form in which half of the first line appears in the second line, and the other half of the first line appears in the third line.
Craft of Poetry - A course on writing poems in rhyme, meter, and inherited forms. Covers the sonnet, sestina, and villanelle, among others. Taught by Vince Gotera and Damon McLaughlin at the University of Northern Iowa.
deviantART: poetic-forms - An online community of poets interested in trying out various poetic forms. Includes write-ups on each form, with examples, by members of the community.
Form Reports - Descriptions and examples of the kyrielle, terza rima, sapphics, the rondeau, the sonnet, the villanelle, and the sestina. From a course taught by Alberto Rios.
Guide to Verse Forms - Descriptions and examples by Bob Newman of a variety of verse forms.
Personality Quiz - What Poetry Form Am I? - A quiz of personal characteristics that leads to a humorous poem in one of several forms, including the cinquain, triolet, sonnet, and terza rima.
Poetic Forms Page - Definitions and examples of a wide variety of poetic forms.
Poetry at Ariadne's Web - Resources on writing poetry, including advice on writing Ghazals, Haiku, Pantoums, Sestinas, Sonnets, Triolets, and Villanelles.
Poetry Forms and Terminology - A compendium of links to sites that define, explain, and give examples of a variety of poetic forms.
Poetry Pointers - A series of lessons on poetry by Al Rocheleau, including the sonnet, sestina, villanelle, and pantoum.
Stepping Stones - Terzanelles and Villanelles by Erin A. Thomas. [PDF]
Suzie's Sanctuary - Poetry - Anthology by Suzanne Honour including different types of form poetry, including the cinquain, clerihew, haiku, kyrielle, rondeau, and villanelle.
Writing-World.com: Poetry - A collection of articles on writing poetry, including articles on such forms as the sestina, the sonnet, the triolet, and the villanelle.