From SEL wiki
- arisuchan anonymous lain-themed cyberpunk imageboard with a dedicated /lain/ board
- asphyxia.su Collection of every background image from mebious, going back over a year.
- systemspace.link Religion lightly themed around SEL. Has an anonymous imageboard named TSUKICHAN and a Rocket.Chat server.
- Thought Experiments Lain (article) is owned by Lawrence Eng aka Lawmune. It includes, among other things, a review, fanart contest and glossary. It is perhaps best known for the list of Apple references in Lain.
- Omnipresence is full of information about SEL and includes episode transcripts, screencaps, a fanlisting and a very outdated list of links. It is impossible to navigate. Content is here.
- Mebious.co.uk (article) comes from a URL that appears briefly on a pressure gauge. Sometimes called "Mebi" or "Mebby". Allows anonymous text or image posting. The most recent 10 lines of text are displayed.
- Mebious.com hosts this very wiki.
- Mebio.us is another clone of the original .co.uk site, created after the closure of Mobi.
- wired.entry.neocities Fansite under constant occasional development.
- re:wire Originally created in Discord, centers around technology, glitching and cyberpunk. Has it's own anonymous imageboard called Wirechan.
- Serial Experiments Lain, a site by Chiaki J. Konaka, has interviews, information about books, and links related to Lain, as well as a font that was used in the anime.
- Deep Researches Lain has a glossary of terms from the anime and a quiz game.
- Grifon's Garden has pictures and descriptions of at least 6 homemade Lain figurines.
- LAINてんぷら is a website used to start Lain threads on the 2channel BBS. Has links to many Lain threads on 2ch and many other obscure and edifying Lain-related links. てんぷら (tempura) is slang for template.
- Protocol of lain's world has lots of great and rare info, but mostly in Japanese, because the English portion of the site is unfinished. (Click lain's face to access the content.)
- Old Home, an image board that is primarily for discussions related to ABe.
- lain game contains files from the Serial Experiments Lain PSX game, extracted using jPSXdec.
Past Related Websites
- Serial Experiments Lain: Root (article) had a collection of Lain media for download, including cover scans and soundtracks.
- Lain - Alive in Cyberspace included reviews, screencaps, poetry, and a rather intriguing dialogue on Lain. Site has been disabled.
- Wakachan's ABe board, R.I.P.
- cerealexperiments.com Website that had an imageboard that was barely Lain-related.
- ahania's boards are available intermittently. /ec/ is for general discussion and /l/ is for all things Lain. Feel free to start or join in a discussion.
- serial experiments lain - Unnoficial Homepage in the Wired
- Mebious.mobi (article), sometimes called "Mobi", is inspired by Mebious and notably includes features such as music upload and auto-refresh. (defunct as of May 10th 2015)
- VKK 320: Decoding Virtual Culture in the Media - a case-study of Serial Experiments Lain
- Serial Experiments: Lain as a Reflection of Modern Japanese Anxieties in the Digital Era
- The role of technology in modern society according to Serial Experiments: Lain
- The Problem of Existence in Japanese Animation
- The Sight of Your God Disturbs Me: Questioning the Post-Christian Bodies of Buffy, Lain, and George
- Give some examples of cybernetic systems at play in specific visual texts. What metaphors of the body in contemporary society do they suggest? And to what commodity end are they marketed?
- To what commodity end are concepts of the ‘post-human’ and the ‘cyborg’ marketed? Give screen and theoretical examples of each.
- The Real Verses the Virtual [sic]
- All I Ever Needed To Know In This Fragile Layer Of Existence We Call The Real World I Learned From Serial Experiments Lain
Scholarly articles and books
- "Topologies of Identity in Serial Experiments Lain" by Craig Jackson, published in Mechademia, Volume 7, 2012, pp. 191-201 
- "The Signal of Noise" (manga) by Adèle-Elise Prévost and MUSEbasement, published in Mechademia, Volume 3, 2008, pp. 173-188 
- "When the Machines Stop: Fantasy, Reality, and Terminal Identity in Neon Genesis Evangelion and Serial Experiments Lain" by Susan J. Napier, published in Science Fiction Studies vol.29, No. 3, Japanese Science Fiction (Nov. 2002) pp. 418-435 
- "The Problem of Existence in Japanese Animation" by Susan J. Napier, published in Proceedings of the American Philosophical Society, Vol. 149, No. 1 (Mar., 2005), pp.72-79 
- "Screening Anime" by Steven T. Brown, an essay published in the 2006 book Cinema Anime, a collection of essays by various authors, edited by Brown. 
- Tokyo Cyberpunk: Posthumanism in Japanese Visual Culture by Steven T. Brown. This time the whole book is by Brown. 
- Lain visual novel project, a project to create a Serial Experiments Lain visual novel, started on mebious.co.uk and worked on here.
- Youtube video Analyzing exactly what happened in the anime.
- Stopped, a short story that concisely captures the essence of Serial Experiments Lain.
"Lain's watch stopped..."
- The Gods Themselves, an odd crossover between SEL and Puella Magi Madoka Magica in which Lain and Madokami are indistinguishable and Alice discusses God with Homura.
""Mit der Dummheit kämpfen Götter selbst vergebens.*" Lain. Madoka. Homura. Arisu. I am uncertain what genre to classify this under." (*Against stupidity the gods themselves contend in vain.)
- せりあｌ えｘぺりめんｔｓ ぁいｎ, a manga by Gomennasai on Pixiv, probably inspired by Chibi Chibi Lain.
- Ganbare Rakka-tan, a Lain/NieA/Haibane crossover manga in the style of Abe, drawn by a user of the 2channel board "hankaku nijigen ita" who went by the name 281.
- One, two, three threads archived from news4vip at 2ch.