Up front #1: None of these venues pay any money. The value you receive in exchange for your work is exposure, publishing credits for your writer's resume, and the rewarding feeling of participating in a good cause.
Up front #2: Soliciting contributions is not a guarantee to accept them.
Amused Muse E-Zine: Focus is on humor, fantasy, and encouraging creativity, with a covert agenda of stereotype-breaking and stigma-busting. Humor & fantasy, either poetry or short prose; book reviews of SF or fantasy, or humorous fiction of any kind; SF, fantasy, or humor author interviews; how-to articles on writing, web-making or graphics; free graphics. Site traffic averages 150 unique visitors a day. Send submissions by email, text or attachment, to firstname.lastname@example.org.
Homeless Column of the Great Speckled Bird: In partnership with an online liberal newspaper, The Great Speckled Bird. Articles, essays and editorial opinion on homelessness, poverty, economic justice, and related issues. Looking for facts, orginal ideas, and details from life rather than abstracts. "Homelessness sucks" has already been covered. Humor is welcome. Site traffic averages 450 unique visitors a day. Send submissions by email, text or attachment, to email@example.com.
Kalliope Poetry Exercise Workshop: A unique poetry workshop based on original exercises. Each Primer describes a poetic element, form or technique, gives examples, sets a practice exercise, and defines criteria for evaluating the results. Site traffic averages 150 unique visitors a day. Send submissions by email, text or attachment, to firstname.lastname@example.org.
Real Change News "street newspaper" in Seattle, Washington, publishes information about issues of homelessness, poverty, and labor, often written by homeless or low-income people themselves, and the paper is sold on the streets by vendors looking for an immediate income with dignity. I am one of an editorial committee of eight, all of whom are homeless, previously homeless, or low-income. We publish poetry, very short fiction (1200 words or less), articles and essays, and artwork. If published, you can get 10 free copies of the issue your work appears in, a street value of $10. More information at http://www.realchangenews.org/real_change_org/index.html. Print sales average 30,000 issues a month. Many selections are reprinted on the website, which gets approximately 3000 unique visitors a day. Send submissions by email, text or attachment, to email@example.com.
If you are interested in the subjects covered by Real Change and the Great Speckled Bird Homeless Column, there are many other homeless newspapers around the world that you may want to check out. You can start at the website I manage for the North American Street Newspaper Association.