Internet
Articles about the internet, web services and online technologies.
LIBRIS
LIBRIS — Sweden's national union catalogue
LimeWire
LimeWire — peer-to-peer file sharing client
Link
Link (chain link and hyperlink)
LinkedIn: professional networking platform and career service
Linux
Linux: kernel, distributions, uses, and community
Overview of Linux: the kernel and GNU ecosystem, distributions and desktop/server differences, history, common uses, and its free/open-source licensing and community model.
Linux distribution
LiveJournal
Local area network
Local area network (LAN)
LOL
Lolcat
Lua
Lycos
Lycos: Early Web Search Engine and Internet Portal
Lynx (web browser)
MAC address
MAC address (Media Access Control address) — hardware network identifier
Macedonian Wikipedia
Malay Wikipedia
Malayalam Wikipedia
Marathi Wikipedia
Marx and Engels Internet Archive
Marx and Engels Internet Archive (Marxists.org) — volunteer digital library
Massively multiplayer online game
Massively Multiplayer Online Game (MMOG): Overview, Types, and Impact
Massively multiplayer online role-playing game
Megaupload
Memory leak
Mesh networking
Meta-Wiki
Meta-Wiki (Wikimedia Meta)
Microsoft FrontPage
Microsoft FrontPage — WYSIWYG web editor and site management tool
Microsoft Office Online
Minangkabau Wikipedia
Minitel
Minitel: France's Pioneering Videotex Online Service
mIRC
Mobile browser
Momo Challenge hoax
Mozilla
Mozilla Add-ons
Mozilla Add-ons: extensions, themes and the add-on ecosystem
Mozilla Firefox
Mozilla Firefox — free, open-source web browser
MSN
MSN — Microsoft's web portal and suite of online services
MU*
MU*: the Tiny family of social text-based servers
Multiplayer online game
My Opera Community
My Opera Community: user hub for Opera browser fans
Myspace
Napster
Napster: pioneering peer-to-peer music sharing and its legacy
Nate
Nate (South Korean web portal)
Neopets
Neopets — virtual pet website and online community
Net
Net (term): meanings across textiles, technology, finance, sports, and verbs
Net neutrality
Netscape Navigator
Netscape Navigator: pioneering 1990s web browser and its legacy
Netsplit
Netsplit (IRC server network partitioning)