Computing
- 0x0.st: cURL file sharing service.
- 9front: A fork of Plan 9 From Bell Labs that is well maintained.
- Ataraxia GNU/Linux: A Linux-based OS designed with privacy, security, and simplicity in mind.
- Brainfuck Algorithms: A list of algorithms implemented in brainfuck.
- brainfuck.org: Various brainfuck-related items.
- cat-v: A mysterious group that maintains a wonderful collection of papers and manpages related to UNIX and Plan 9, among other things.
- CHIP-8 Archive: A collection of ROMs for the CHIP-8 and many of its derivatives.
- CHIP-8 Reference: A detailed reference for pretty much all things CHIP-8.
- coreboot: FOSS boot firmware.
- The Demoscene: Webportal for all things "demos".
- Esolang: The esoteric programming languages wiki.
- glaucus: An independent source-based Linux distribution based on musl libc and toybox.
- h-node: A hardware database for linux-libre (Linux kernel with no proprietary blobs).
- LandChad: Various tutorials about building an independent online presence.
- libreCMC: Linux distro for embedded computers (such as routers).
- LineageOS: An open-source Android distribution.
- Plan 9 From Bell Labs: Plan 9, UNIX's successor.
- RFC Index: Documentation for most internet standards.
- Parabola GNU/Linux-Libre: Arch Linux without any proprietary packages or kernel drivers.
- pimutils: A small collection of CLI utilities for managing calendars, tasks, and synchronizing data.
- SDF.org: A public access UNIX system. Anyone can make a free account on this server.
- SMAP: A document describing a simpler alternative to IMAP.
- OSDev Wiki: Extensive information about creating operating systems.
- TLDRLegal: Provides readable summaries of software licenses.
- wiby: A search engine for the classic web.
- XDG Base Directory Support List: A list of software that supports the FreeDesktop XDG Base Directory Specification and how to modify others in order to meet the specification.
Other