Very Cool

DukeNukemIs.Cool | Ashley Jones who does cool stuff: dukenukemis.cool

Cozy Net | A cool guy that blogs and makes videos, music, etc. He even has his own forum: cozynet.org

toastytech.com | Retro technology and GUI desktop showcases: toastytech.com

Richard Stallman | Founder of the Free Software Foundation and GNU: stallman.org

Technology

Web Browsers

Mullvad Browser | Great security hardened Firefox-based browser: mullvad.net

LibreWolf | Decent security hardened Firefox-based browser: librewolf.net

Pale Moon | Traditional web browser based on old Firefox with cool themes: palemoon.org

Privacy and Security

KeePassXC | The best password manager: keepassxc.org

Proton | Email, cloud storage, and more with a good privacy policy: proton.me

Mullvad VPN | VPN with DNS-based blocking and many features: mullvad.net

uBlock Origin | One of the best ad, tracker, and cookie banner blockers for web browsers: ublockorigin.com

Messaging

XMPP | Federated, extensible, FOSS messaging: xmpp.org

Matrix | Federated FOSS messaging: matrix.org

Revolt | Free, privacy-respecting, feature-rich Discord-like platform: revolt.chat

Operating Systems

Linux Mint | The most beginner-friendly Linux distribution: linuxmint.com

Devuan GNU/Linux | Debian-based GNU/Linux distribution without Systemd: devuan.org

Fedora | Excellent Linux system that has more of the latest software features: fedoraproject.org

ReactOS | FOSS Windows Recreation: reactos.org

LibreELEC | Home theater PC OS: libreelec.tv

Social Networks

PeerTube | Self-hostable, federated, video hosting: joinpeertube.org

Lemmy | Self-hostable, federated, board system: join-lemmy.org

Mastodon | Self-hostable, federated, microblogging: joinmastodon.org

Pixelfed | Self-hostable, federated, image sharing: pixelfed.org

Hacking and Learning

OverTheWire: Wargames | Lessons on offensive hacking: overthewire.org

Landchad.net | Website and server hosting guides: landchad.net

Comfy.Guide | Server hosting and tech guides: comfy.guide

Tech Activism

The Electronic Frontier Foundation | Non-profit for privacy and Internet freedom: eff.org

Hosting

Neocities | Centralised hosting for artisanal websites: neocities.org

1984 Hosting | Domain and server company that believes in free software: 1984.hosting

Contabo | Domain and cheap server company: contabo.com

Search Engines

4get | Self-hostable, minimal, proxy search engine: 4get.ca

SearXNG | Self-hostable, fairly minimal, metasearch engine: searxng.org

Wiby.org | Search engine for the artisanal web : wiby.org

Wiby.me | Another popular instance of Wiby for artisanal web search : wiby.me

Miscellaneous

Microsoft Activation Scripts | Free Windows and Office downloads with activation methods: massgrave.dev

Mike's Winamp Skins | A collection of Winamp skins: http://skins.freeservers.com/

Gaming

Good Old Games (GOG) | DRM-free video games gog.com

OpenRails | Free train simulator game: openrails.org

0 A.D. | Free historical RTS game: play0ad.com

ProtonDB | Database for Linux game compatability: protondb.com

xemu | Original Xbox emulator: xemu.app

DeSmuME | Nintendo DS emulator: desmume.org

melonDS | Nintendo DS emulator: melonds.kurbi64.net

PPSSPP | PSP emulator: ppsspp.org

Dolphin Emulator | GameCube and Wii emulator: dolphin-emu.org

Insignia | Reverse-engineered OG Xbox Live replacement: insignia.live

FlightGear | Free flight simulator: flightgear.org

Console Mods Wiki | Community wiki for modification of games consoles: consolemods.org

The PS2 Homebrew Wiki | All things PS2 homebrew: ps2wiki.github.io

Books

Archive of Our Own | Fan-written literature: archiveofourown.com

Project Gutenberg | Public domain literature: gutenberg.org

Matrix | Decentralised FOSS messaging: matrix.org

Torrents

Nyaa | Anime, manwha, and manga: nyaa.si

Miscellaneous

Bandcamp | DRM-free music with indie artists: bandcamp.com

The Internet Archive | Extensive archive of all types of media including websites: archive.org

Bitview | Video site with the appearance of classic YouTube: bitview.net

based.cooking | Simple community-run recipe website: based.cooking