Free Speculative Fiction Online 
Greg Egan: Mind Vampires
(Interzone #18, Winter 1986)
Michael Blumlein: The Brains of Rats (Interzone #16, Summer 1986)
Charles Stross: The Boys (Interzone #22, Winter 1987)
Eric Brown: The Time-Lapsed Man (Interzone #24, Summer 1988)
Greg Egan: Scatter My Ashes (Interzone #23, Spring 1988)
David Brin: The Giving Plague (Interzone #23, Spring 1988). Alternate link
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David Langford: BLIT (Interzone #25, September 1988)
Kim Stanley Robinson: Before I Wake (Interzone #27, January 1989)
Rudy Rucker & Marc Laidlaw: Chaos Surfari (Interzone #28, March 1989)
Keith Brooke: Adrenotropic Man (Interzone #37, July 1989)
Charles Stross: Generation Gap (Interzone #39, September 1989)
Stephen Baxter: Raft (Interzone #39, September 1989)
Susan Beetlestone: An Artificial Life (Interzone #34, March 1990)
Keith Brooke: The Mother (Interzone #37, July 1990)
Charles Stross: Yellow Snow (Interzone #37, July 1990). Alternate link
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Eric Brown: Piloting (Interzone #44, February 1991)
John Christopher: A Journey South (Interzone #44, February 1991)
Paul J. McAuley: Cross Roads Blues (Interzone #46, April 1991)
Nicola Griffith: Song of Bullfrogs, Cry of Geese (Interzone #48, June 1991)
Paul J. McAuley: Gene Wars (Interzone #48, June 1991).
Elizabeth Hand: The Bacchae (Interzone #49, July 1991)
Mary Gentle: The Road to Jerusalem (Interzone #52, October 1991)
Molly Brown: Bad Timing (Interzone #54, December 1991)
Keith Brooke: The Queen of the Burn Plain (Interzone #55, January 1992)
David Garnett: Off the Track (Interzone #63, September 1992)
Nicholas Royle: The Cast (Interzone #63, September 1992)
Keith Brooke: Jurassic and the Great Tree (Interzone #66, December 1992)
John Meaney: Sanctification (Interzone #69, March 1993)
Keith Brooke: Witness (Interzone #70, April 1993)
Lawrence Dyer: The Four-thousand-year-old Boy (Interzone #73, July 1993)
Nicholas Royle: Flying Into Naples (Interzone #77, November 1993)
Molly Brown: Women on the Brink of a Cataclysm (Interzone #79, January 1994)
Paul Park: The Tourist (Interzone #80, February 1994)
Keith Brooke: Westward (Interzone #82, April 1994)
Sarah Ash: Airs from Another Planet (Interzone #83, May 1994)
Keith Brooke: Professionals (Interzone #86, August 1994)
Ian Watson: Ahead! (Interzone #95, May 1995)
John Grant: The Glad Who Sang a Mermaid in from the Probability Sea (Interzone #95, May 1995)
Mike O'Driscoll: A Soldier’s Things (Interzone #97, July 1995)
Charles Stross: Ship of Fools (Interzone #97, July 1995). Alternate link.
Geoff Ryman: Warmth (Interzone #100, October 1995)
Charles Stross: Dechlorinating the Moderator (Interzone #105, March 1996). Alternate link.
J. G. Ballard: The Dying Fall (Interzone #106, April 1996)
Molly Brown: Community Service (Interzone #107, May 1996).
Alastair Reynolds: Spirey and the Queen (Interzone #108, June 1996)
Michael Andre-Driussi: Under the Moons of Jizma (A Scientific Romance) (Interzone #110, August 1996)
Paul Di Filippo: Life Sentence (Interzone #111, September 1996)
M. John Harrison: The East (Interzone #114, December 1996).
Molly Brown: The Psychomantium (Interzone #116, February 1997)
Alastair Reynolds: A Spy in Europa (Interzone #119, June 1997)
Jeff VanderMeer: Quin’s Shanghai Circus (Interzone #124, October 1997)
Mary A. Turzillo: Arms and the Man (Interzone #130, April 1998).
Keith Brooke: Segue (Interzone #132, June 1998)
Charles Stross: TOAST: A Con Report (Interzone, August 1998).
Michael Bishop: Sequel on Skorpiós (Interzone #134, August 1998)
Timons Esaias: The Mars Convention (Interzone #135, September 1998)
Gwyneth Jones: La Cenerentola (Interzone #136, October 1998)
Sarah Singleton: Cassilago’s Wife (Interzone #137, November 1998)
Michael Moorcock: Cheering for the Rockets (Interzone #137, November 1998)
Paul J. McAuley: The Gardens of Saturn (Interzone, November 1998)
Zoran Živković: The Astronomer (Interzone #132, June 1999)
Greg Egan: Border Guards (Interzone #148, October 1999). A sample from this anthology.
Eric Brown & Keith Brooke: The Denebian Cycle (Interzone #152, February 2000)
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Paul Di Filippo: Stealing Happy Hours (Interzone #153, March 2000) Isfdb:
Darrell Schweitzer: The Fire Eggs (Interzone #153, March 2000). Isfdb:
Liz Williams: Adventures in the Ghost Trade (Interzone #154, April 2000) Isfdb:
Charles Stross: Antibodies (Interzone #157, July 2000). Alternate link. Isfdb:
Paul J. McAuley: A Very British History (Interzone #157, July 2000) Isfdb:
Paul Di Filippo: Return to Cockaigne (Interzone #163, January 2001) Isfdb:
Tony Ballantyne: A New Beginning (Interzone #163, January 2001) Isfdb:
Ashok K. Banker: In the Shadow of Her Wings (Interzone #166, April 2001) Isfdb:
Ian R. MacLeod: Isabel of the Fall (Interzone #169, July 2001). Isfdb:
Eric Brown: The Frankenberg Process (Interzone #171, September 2001) Isfdb:
Carolyn Ives Gilman: The Invisible Hand Rolls the Dice (Interzone #172, October 2001) Isfdb:
Zoran Živković: The Puzzle (Interzone #174, December 2001) Isfdb:
Greg Egan: Singleton (Interzone #176, February 2002) Isfdb:
Paul Park: If Lions Could Speak: Imagining the Alien (Interzone #177, March 2002) Isfdb:
Geoffrey A. Landis: Old Tingo’s Penis (Interzone #181, August 2002) Isfdb:
Neil Williamson: The Happy Gang (Interzone #184, November 2002). A sample from this collection. Isfdb:
Eric Brown: The Frozen Woman (Interzone #190, July 2003). Isfdb:
Douglas Smith: Enlightenment (Interzone #194, September 2004).
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Karen D. Fishler: Someone Else (Interzone #194, September 2004) Isfdb:
Elizabeth Bear: When You Visit the Magoebaskloof Hotel, Be Certain Not to Miss the Samango Monkeys (Interzone #195, November 2004). Isfdb:
Jason Stoddard: Winning Mars
(Interzone #196, January 2005) Isfdb:
Dominic Green: The Clockwork Atom Bomb (Interzone #198, May 2005). Isfdb:
Jeremiah Tolbert: This, My Body (Interzone #199, August 2005) Isfdb:
Rudy Rucker: Guadalupe and Hieronymus Bosch (Interzone #200, September 2005) Isfdb:
Gareth L. Powell: The Last Reef (Interzone #202, January 2006)
Carlos Hernandez: The Macrobe Conservation Project (Interzone #202, February 2006) Isfdb:
Elizabeth Bear: Wane (Interzone #203, April 2006) Isfdb:
Rudy Rucker & Terry Bisson: 2+2=5 (Interzone #205, July 2006)
Edward Morris: Journey to the Center of the Earth (Interzone #209, April 2007) Isfdb:
M. John Harrison: The Good Detective (Interzone #209, April 2007). Isfdb:
Alastair Reynolds: The Sledge-Maker’s Daughter (Interzone #209, April 2007). Alternate link. Isfdb:
Aliette de Bodard: The Lost Xuyan Bride (Interzone #213, November 2007)
Greg Egan: Crystal Nights (Interzone #215, April 2008) Isfdb:
Rudy Rucker & Marc Laidlaw: The Imitation Game (Interzone #215, April 2008) Isfdb:
Paul J. McAuley: Little Lost Robot (Interzone #217, August 2008). Isfdb:
Hannu Rajaniemi: His Master’s Voice (Interzone #218, October 2008). Available as part of this magazine. Isfdb:
Aliette de Bodard: Butterfly, Falling at Dawn (Interzone #219, December 2008) Isfdb:
Eugie Foster: Sinner, Baker, Fabulist, Priest; Red Mask, Black Mask, Gentleman, Beast (Interzone #220, February 2009). Isfdb:
Bruce Sterling: Black Swan (Interzone #221, March 2009).
Will McIntosh: A Clown Escapes From Circus Town (Interzone #221, April 2009). Isfdb:
Tim Pratt: Unexpected Outcomes (Interzone #222, June 2009) Isfdb:
Dominic Green: Glister (Interzone #223, July 2009). Isfdb:
Jason Sanford: Sublimation Angels (Interzone #224, October 2009).
Jason Sanford: Here We Are, Falling Through Shadows (Interzone #225, December 2009)
Jay Lake: Human Error (Interzone #226, January 2010) Isfdb:
Jason Sanford: Into the Depths of Illuminated Seas (Interzone #226, January 2010). Isfdb:
Mercurio D. Rivera: In the Harsh Glow of its Incandescent Beauty (Interzone #226, January 2010). Isfdb:
Nina Allan: Flying in the Face of God (Interzone #227, March 2010). Isfdb:
D. D. Levine: A Passion For Art (Interzone #228, June 2010).
Rochita Loenen-Ruiz: Alternate Girl’s Expatriate Life (Interzone #229, July 2010) 
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Lavie Tidhar: The Insurance Agent (Interzone #230, September 2010). Isfdb:
Aliette de Bodard: The Shipmaker (Interzone #231, November 2010). Alternate link. Isfdb:
Nina Allan: The Silver Wind (Interzone #233, March 2011) Isfdb:
Will McIntosh: Incompatible (Interzone #234, May 2011). Isfdb:
Al Robertson: Of Dawn (Interzone #235, July 2011) Isfdb:
Gareth L. Powell: Eleven Minutes (Interzone #235, July 2011). Isfdb:
Mercurio D. Rivera: For Love’s Delirium Haunts the Fractured Mind (Interzone #235, July 2011). Isfdb:
Fiona Moore: The Metaphor (Interzone #236, September 2011). Isfdb:
Jason Sanford: The Ever-Dreaming Verdict of Plagues (Interzone #236, September 2011) Isfdb:
Mercurio D. Rivera: Tethered (Interzone #236, September 2011). Isfdb:
Vylar Kaftan: Seeking Captain Random (Interzone #240, May 2012). Isfdb:
Aliette de Bodard: Ship’s Brother (Interzone #241, July 2012) Isfdb:
Ken Liu: The Message (Interzone #242, September 2012). Isfdb:
Chen Qiufan: The Flower of Shazui (Interzone #243, November 2012) Isfdb:
Caroline M. Yoachim: The Philosophy of Ships (Interzone #243, November 2012). Isfdb:
Lavie Tidhar: The Book Seller (Interzone #244, January 2013) Isfdb:
Damien Angelica Walters: Paskutinis Iliuzija (The Last Illusion) (Interzone #245, March 2013) Isfdb:
Sean McMullen: Technarion (Interzone #248, September 2013) Isfdb:
Jason Sanford: Paprika (Interzone #249, November 2013) Isfdb:
Claire Humphrey: Haunts (Interzone #249, November 2013) Isfdb:
Greg Kurzawa: Predvestniki (Interzone #250, January 2014). Isfdb:
Bonnie Jo Stufflebeam: The Damaged (Interzone #250, January 2014). Isfdb:
Caroline M. Yoachim: Beneath the Willow Branches, Beyond the Reach of Time (Interzone #250, January 2014). Isfdb:
Priya Sharma: Blonde (Interzone #260, September 2015) Isfdb:
Michelle Ann King: Not Recommended for Guests of a Philosophically Uncertain Disposition (Interzone #263, March 2016)
Samantha Henderson: My Generations Shall Praise (Interzone, November 2016)
Erica L. Satifka: The Big So-So (Interzone #273, November 2017)
Maria Haskins: And You Shall Sing to Me a Deeper Song (Interzone #280, February 2019)
Fiona Moore: Jolene (Interzone #283, September 2019)