This is a timeline of sexist incidents in geek communities including:
- Technology industry
- Free and open source software
- Comic Book Fandom
- Science Fiction Fandom
- ... and more
See Timeline of geek feminism for the development of geek feminism itself.
- Lena Söderberg's photograph is first used in image processing experiments.
- Custer's Revenge (rape simulation game) released
- Wives of Hackers panel
- LISA hooters girls - see Randal Schwartz
- Stonehenge OSCON parties (first reported incident)
- F.I.R.S.T. Robotics groping incident (Technology industry & education)
- Debian mencal incident: longer developer discussion of usefullness of little tools to support women in menstrual period calculation
- 2004 Debian elections
- Ubuntu Warty visual theme
- March: Debian IRC sexism
- May (and ongoing): Ubuntero gendered name
- January: Lawrence Summers sexist remarks on women in science
- Debian and LinuxChix harassment by MikeeUSA begins
- (approximate date) Go Daddy's advertising begins on television, with an ad featuring Candice Michelle during the Super Bowl airing in 2005
- Hostility to a GIMP bug reporter
- August: Harlan Ellison groping Connie Willis
- September: Telsa Gwynne announces the closure of her diary and her withdrawal from Open Source, due to the unpleasant environment and online harassment among other factors.
- December: Acme::Playmate talk
- LWN linked to an article about women in IT; a resulting, lengthy comment thread (content warning: cissexism and transphobia) ensued that centered around attacks on Perl developer Audrey Tang.
- Puppy Linux death threats and massive resulting fail
- January: Dragonborn Boobs in D&D. Immense internet argument! (Gaming)
- February: An Obstacle for Women in the IT Industry blog post (Technology industry)
- May: Wiscon troll incident (Science Fiction Fandom)
- December: Valleywag insults Pownce founder (Technology industry)
- April: CouchDB talk (FLOSS)
- EMACS virgins joke (FLOSS)
- DEFCON comic strip incident (Hacker culture)
- This IS your father's Readercon (Science Fiction Fandom)
- Phoronix Foodstruments (FLOSS)
- Stonehenge OSCON parties (again) (FLOSS)
- RealmsFail and resulting Harlan Ellison backlash (Science Fiction Fandom)
- Game Boy Bondage (Gaming))
- EA booth babe bounty (Gaming)
- In a session at BarCamp San Diego 8, @SDGameGuy (Dan Melchione) demoed a Microsoft Kinect hack in which an volunteer appeared on a simulated green screen in front of an image of a strip club. (Technical conferences)
- Sexual and violent references and images in LCA 2011 Keynote (FLOSS)
- Rape apology on LCA mailing list (FLOSS)
- Dickwolves incident reaches its peak (Gaming)
- Sqoot posts a blog article that includes a photo of a topless woman : the blog post titled "Sqoot Goes Topless" was about the company's dedication to transparency and featured an image of a topless woman. The photo only showed the area between the womans shoulders and waist. (some time between March and September 2012, it appears that Sqoot has removed the photo).
- CSconsulting posts sexist posters on college campuses
- Adam Bien talk at JavaOne (Technical conferences)
- Paul Burton Talk at ExpressionEngine conference (Technical conferences)
- Grainger Games, sponsors of the Games Media Awards, upsets the proceeds with scantily-clad booth babes and dwarves, and leaves condoms on the attendees' tables. (Gaming)
- Image of women spread eagled, holding a gun, with a monitor with the letter "V" covering her genitals featured on blog post by Witold Rugowski , a free-lance Ruby programmer from Poland, about passing current id to model in Ruby on Rails. It was shown on RubyReflector but was taken down soon after. The image was still on Witold's personal blog linked above.
- The announcement for Sqoot's Boston API Jam lists women to fetch you beer amongst the "Great Perks" of attending.
- The founders of Geeklist react badly when a video that associates sexist imagery with their brand is reported to them.
- The VP of Path makes several sexist remarks during a presentation at SXSW.
- Tara Tiger Brown writes a Fake geek girls condemnation for Forbes.
- Melbourne coworking sexism: York Butter Factory, a Melbourne coworking space, makes a sexist tweet.
- Oatmeal comic on female gamers: Oatmeal made a comic implying "a terrible female gamer gets away with way more than a terrible male gamer".
- Mega Startup Bikinis: All-male team at Mega Startup Weekend makes presentation including gratuitous repeated image of women in bikinis. Chris Yeh, a presentation judge, speaks up and then blogs about it.
- Dell says shut up: Dell invites Mads Christensen to MC at a Dell-hosted customer and partner summit in Copenhagen in April. Christensen applauds the lack of women in IT and urges attendees to learn to say "Shut up, bitch!".
- Kleiner Perkins gender discrimination lawsuit: On May 10, 2012, Ellen Pao filed a gender discrimination suit against Kleiner Perkins. In the suit, she alleged that the firm has engaged in systematic discrimination against women by failing to promote them comparably to men, by compensating them less, and by failing to act upon sexual harassment complaints.
- NYT op ed on harassment: The NYTimes published an op ed on the suit that opened with the assertion that "Men invented the Internet." The article also claimed that sexual harassment is rare or nonexistent in Silicon Valley: "You don’t really hear about randiness and mistreatment of women."
- The 2012 atheist and skeptic harassment policies campaign begins, and with it, significant hostility to the idea of anti-harassment policies and the specific details of suggested policies.
- Sony releases sexist Playstation Vita ad in France
- Anita Sarkeesian of Feminist Frequency ran a Kickstarter for a video series analyzing gender roles in video games. Her accounts and those publicly supporting her were flooded with harassment, threats, and slurs, which persists to this day.
- On June 1, 2012, an all female singing group at the European Ruby Conference in Amsterdam were subjected to sexist abuse on Twitter. See blog post
- ASUS booth babe tweet
- Microsoft Azure Cloud Song: On June 7, 2012, Microsoft opened NDS 2012 with a song and a dance by female performer featuring lyrics ~approx"Micro and Soft are words that do not apply to my Penis", as well as mentioning names of various street drugs. YouTube video .
- Summercon Burlesque: On June 9, 2012, the SummerCon conference provided, as entertainment, female burlesque dancers. Blog post.
- "Beat Up Anita Sarkeesian" game is created, resulting in continuing Feminist Frequency Kickstarter backlash including harassment of Steph Guthrie who outed the game creator Ben Spurr.
- 0xB16B00B5/BIGBOOBS Constant in Microsoft Hyper-V: a Linux kernel contributor discovers that the constant used to identify a Linux Guest to the Hyper-V host is "0xB16B00B5"
- A Readercon attendee reports René Walling to the RC committee. They decide to ignore their zero tolerance policy and ban the offender for two years, citing the need to educate men in how to not harass women. (They later recanted and enforced the policy.)
- Geek feminist harassment at OSCON: several OSCON attendees report harassment by (self-described) members of the geek feminist community.
- An offensive tweet was made against the PyLadies group at EuroPython 2012. Lynn Root (a keynote speaker and founder of PyLadies) blogged twice about the incident.
- Daniel Tosh makes a series of rape jokes at the Laugh Factory
- Joe Peacock writes a Fake geek girls condemnation for a CNN blog
- A woman was sexually assaulted during Notch (of Mojang/Minecraft fame)'s party in Seattle, the same weekend as Penny Arcade Expo (PAX). Venue security staff dismissed her complaint.
- TechEd New Zealand - Groping at "Tech Fest" party.
- Sponsor at the Ohio LinuxFest tries to hand out swag with sexually oriented language.
- An Enforcer (volunteer and peace-keeper) at gaming con PAX publicly discloses that another Enforcer was removed from his role due to sexual harassment and assault of other Enforcers. 
- the Libre Office en Español Facebook group posted images to promote their products with implicit reference to sexual contents
- Feminist Frequency
- Heavily sexualized ad for Voco voice control products emailed to CES attendees, along with sexual innuendo in public press release. (Commentary from AdRants here.)
- "Edge" conference criticised for all-male speaker lineup. Rebecca J. Rosen mentioned the conference in a call for men to boycott all-male conference panels.
- Alex Diavatis, writing for WorldOfGnome.org, wrote a post about Fedora 18 that included commentary about how Fedora 18 is easy enough for 'ugly girlfriends' to use without their boyfriends' help. The paragraph was later removed after complaints in the comments. Using girlfriend/mother to mean 'technical layman' is sexist.
- SexyPHP , a self-published book by C. A. Collins, published to Kindle via BookBaby.com
- Women in Makerspaces, the "e-textiles" post and discussion on a hackerspaces.org list. There was a very funny dramatic reading of the e-textiles post by Rory Marinich.
- Cory Doctorow finds the company Rapiscan, that makes TSA body scanners, funny because it could be pronounced like "rape" .
- LCA2013 shirtgate
- "Hack of the Sexes", billed as a "civic hackathon pinning the boys against the girls" as well as a "contest to promote innovative solutions to civic problems from the technology and entrepreneurship community in Kansas City", was announced.
- An event in Nashville, Tennessee in the US, "Spark Nashville", announced itself as featuring "entrepreneurial and tech community patriarchs". In an extensive thread on Twitter, Jared Scheel defended the usage of the term "patriarch" and dismissed women's concerns about it as "petty" and "legalistic".
- Web and PHP Magazine at PHP UK 2013 hands out shirts with the legend "Enhance your PHPness" on them (playing on the double entendre of PHPness/Penis), leading to an outcry of institutional sexism. Others defend it as a joke. Web and PHP Magazine issue a statement denying sexist intent.
- PyCon 2013 forking and dongles incident
- PyCon 2013 expulsion incident
- Shawn L's expulsion from hackerspaces
- Yvonne Brill's NYT obituary
- RPG Camp Kickstarter trolling
- Sexist SXSWi wristbands at MIT Media Lab party
- Virool launch party YC startup hires women in lingerie for "nerd party"
- [Venture Beat article on women in tech] (good article, interviews CEOs, discusses various problems)
- Tropes vs. Men in Videogames Kickstarter
- PAX cosplay interview backlash - A cosplayer at PAX, Megan Marie, blogged "What would you do if you weren't afraid" in response to a sexist interviewer. She then got quite a lot of backlash.
- IDGA Party dancers at Games Developer Conference. Yetizen hired gogo-dancers and topless models.
- Linux kernel civility discussion
- Women Who Kick Ass San Diego ComicCon panel. Great panel, sexist backlash.
- Anime Expo hidden camera - http://dancingwithscissors.tumblr.com/post/55464547361/judgementscythe-credit-to-whoever-is-in-charge
- DEFCON 21 incidents
- Skeptic harassment revelations 2013
- @elevatorgate harassment
- Jennifer Hepler, formerly a senior writer at BioWare, reports that Dragon Age players sent her abusive emails and forum posts, threatening phone calls, and "graphic threats" against her children.
- Software Developer David Winer of Scripting News writes a post titled "Why Are There So Few Women Developers?" in which he concludes that it's because programming takes patience and focus, like hunting.
- TechCrunch Disrupt Hackathon incident A team at TechCrunch Disrupt 2013 presents the TitStare app, which allows users to post and view pictures of men staring at people's cleavage. Another presenter pretended to masturbate on stage. TechCrunch apologized for the incidents. In response, Pax Dickinson , CTO of Business Insider, expressed his disapproval of feminism in tech; he resigned the following day.
- Mike Krahulic of Penny Arcade at PAX Prime 2013, during an on-stage interview where was asked what he felt was the company's biggest mistake, said it was pulling the Dickwolves shirts from the online store. This refusal to understand how the shirts were problematic reignited the controversy.
- Yukihiro Matsumoto, aka Matz, chief designer of the Ruby programming language criticized the efforts of RubyConf to correct for discrimination in speaker selection, characterized it as “reverse discrimination” and insisted, “We have RailsGirls instead.”
- Michael Schwern, prominent Perl developer and keynote speaker at the National Center for Women & Information Technology's 2013 summit, was arrested on domestic violence charges. Two feminist organizations issued public repudiations of Schwern, the Ada Initiative and Geek Feminism.
- An unidentified panelist representing Jamernot at a Technori event referred to two female presenters as “Hot girls in yoga pants.” An attendee submitted an objection online to the panel but his post was deleted by Technori moderators, so he stood up and objected verbally. The Jamernot rep responded , “That’s how the world is,” and subsequently tweeted in his defense .
- Fraser Millward, an entertainer hired by Microsoft to host an Xbox One event at Eurogamer Expo 2013, harassed and misgendered a woman self-identified as transgender on stage. She subsequently wrote about the online threats she received in retaliation for her speaking out.
- Anand Pillai created ladies.py, a code repo mocking PyLadies.
- Codemash sexual assault
- standingwithDNLee Biologist and science writer Dr. Danielle N. Lee responded to being called a "whore" after politely declining to write for free. The Scientific American blog network removed her blog post about it without consulting her, with the excuse that it "verged into the personal."
- Reports of harassment of Scientific American bloggers by editor Bora Zivkovic surfaced around a year ago, but in October 2013 several women wrote in public naming him and describing his patterns of bad behavior.
- SF hacker group advertises "Hackers and Hookers " costume party. When called on it, they issue a classic non-apology (both advertisement and apology archived at link).
- Kent James, a core reviewer for the open-source Thunderbird project, wrote a blog post with the subject line "Real Men do Build Engineering". Despite knowing that this was sexist (the original post included the question, "So, are there any Real Men out there (or even Real Women) that want to be a hero, and save our project?"), in a comment, James stated "I decided to remove comments that disputed my use of the term 'Real Men'." (In an example of the Many bad things in the world silencing tactic, he implied that it was acceptable for him to insinuate that men are more likely to understand build engineering than women are because an organization exists that uses the term "real men" and claims to fight domestic violence.)
- At the ACM CIKM 2013 conference, a presenter showed a slide (photo) with the text "Big data is like teenage sex: everyone talks about it, nobody really knows how to do it, everyone thinks everyone else is doing it, so everyone claims they are doing it... (Dan Ariely)" The conference did not have an anti-harassment policy posted on its web site.