Cloud & Datacenter Hub

A unified, self-contained static-site portal covering the global cloud, datacenter, open source, and free software ecosystem. Built with plain HTML, CSS, and vanilla JavaScript — no build step, no dependencies, fully client-side.

Copyright (C) 2026 QB Networks AGPLv3-or-later ve CC BY-SA 4.0 or later

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🚀 Quick Start

Open index.html in any modern browser. No server required.

# Optional: serve locally
python3 -m http.server 8000
# Then open http://localhost:8000

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📑 Pages Overview

The hub is a single directory of 10 HTML pages, all linked from a shared sticky top navigation bar (dc-hub-nav). Every page shares the same visual theme and a persistent top-right light/dark toggle.

🏠 index.html — Home / Hub

The landing page. A card grid introducing each topic page, with quick stats and a deep link to the embedded "Kubernetes vs. CNCF" comparison. Start here.

🏢 dc.html — Major Global Datacenters

A curated catalog of 40+ major datacenter facilities across 6 continents.

• Hyperscalers (Meta Iowa, Google Council Bluffs, AWS Ashburn, etc.)
• Colocation operators (Equinix DA11, QTS Ashburn)
• Sovereign/regional leaders (Scaleway, OVHcloud, Yotta, Tencent)
• Filters: 6 regions — North America, Europe, Asia, Oceania, South America, Africa
• Each card: name, operator, location, area, power, and notable tags

💚 contributors.html — Open Source Contributors

38 cloud, datacenter, hardware, and software companies actively supporting free software and open source.

• Categories: Hyperscalers, Open Cloud, Datacenter Operators, Hosting/CDN, Hardware/Silicon
• Each card lists the company's key OSS contributions, projects, and tags
• Examples: Red Hat (Linux kernel), Microsoft (GitHub/VS Code), Mozilla (Firefox/Rust), AWS (OpenSearch/Bottlerocket), Hugging Face, HashiCorp

☁️ app.html — Cloud Native App Vendors

50+ vendors building applications for cloud native computing.

• Categories: Observability, Security, Databases, CI/CD & GitOps, AI/ML, Service Mesh, Storage, DevOps, API & Serverless, Developer Platforms
• 300+ apps/products listed with descriptions and search
• Embedded reference: "Kubernetes vs. CNCF — Are They the Same?" side-by-side comparison (with anchor link in the header)

🆓 tier.html — Free Tier List

A directory of free-tier cloud and datacenter offerings from major providers (AWS, Azure, GCP, OCI, etc.).

🤝 affiliate_networks.html — Affiliate Networks

Cloud and hosting affiliate / referral programs from major providers, with commission terms and policy notes.

🖥️ virtualization.html — Virtualization Technologies

A complete directory of virtualization technologies — hypervisors, container runtimes, OS-level virtualization — with licensing classifications and curated notes.

🎓 universities.html — Universities

100+ academic institutions across 30+ countries and 6 continents that lead research and education in cloud, open source, and free software.

• Examples: MIT, Stanford, Berkeley, CMU, ETH Zürich, Tsinghua, IIT Bombay, ANU, USP, UCT, Ashesi
• Filters: 6 regions + free-text search by name, program, or focus area
• Each card: location, description, key programs, and tags

🏛️ organizations.html — Foundations & Associations

75+ non-profit foundations, industry associations, and standards bodies supporting free software, open source, hardware, and technology.

• Categories: Umbrella, Free Software, Open Source, Cloud Native, Standards, Hardware, Web, Security & Privacy, Research & Education, Regional
• Examples: Linux Foundation, Apache, CNCF, FSF, OSI, W3C, IETF, RISC-V, OCP, Mozilla, EFF, OMG, OGC, OpenSSF, ISOC, Tor, Let's Encrypt
• Turkish community: LKD (Linux Kullanıcıları Derneği), Özgür Yazılım Derneği, Pardus/TÜBİTAK, GNOME Türkiye, KDE Türkiye, Debian/Ubuntu/Fedora Türkiye communities
• Other regional: Linux Australia, FOSSASIA, KOSS, OSSCN, FOSS United (India), Open Source Africa, OSSLA, Linux Foundation Europe
• Each card: HQ, description, focus areas, and tags

🏛️ gov.html — Governments & Militaries on Open Source

50+ national governments, defense departments, intelligence agencies, and militaries that develop or deploy their own custom open source operating systems.

• Categories: Military, Intelligence, Civil Government, Research & Space, Police / Law Enforcement, Finance & Treasury
• Custom OS examples: Kylin, NeoKylin, openEuler, BOSS, Pardus, Astra Linux, Gooroom, Red Star OS, TMaxOS, HamoniKR, Iron Bank, Big Bang, SELinux, Ghidra, BwLinux, Marlin, Milde
• Militaries: US DoD, US Air Force Platform One, French DGA, German Bundeswehr, UK MoD, IDF, PLA, Indian MoD, Russian Armed Forces, TSK, Italian MoD, etc.
• Intelligence: NSA, CIA, GCHQ, BND, DGSE, Mossad
• Space: NASA, ESA, CERN, Fermilab, Roscosmos, CNSA, ISRO
• Central banks: ECB, Bundesbank, BoE, US Federal Reserve, PBOC, Riksbank
• Each card: agency name, OS used, description, focus areas, and tags

🇹🇷 turkey.html — Türkiye'deki Açık Kaynak & Özgür Yazılım Şirketleri

100+ Türk yazılım şirketleri, teknoloji firmaları ve topluluk destekli kuruluşlar açık kaynak ve özgür yazılım geliştiren, destekleyen ve katkıda bulunanlar.

• Kategoriler: Bulut & Altyapı, DevOps, AI/Veri, Güvenlik, Web & Mobil, IoT, Danışmanlık, Dağıtım/OS, Topluluk, Kurumsal
• Savunma/Bilişim: HAVELSAN, ASELSAN, TÜBİTAK ULAKBİM, Özgür Yazılım A.Ş.
• Telekom: Turkcell, Vodafone TR, Türk Telekom Ar-Ge, Netaş, HAVAS
• Bankacılık/Fintech: Garanti BBVA, Yapı Kredi, Kuveyt Türk, Finartz, Softtech
• E-ticaret: Trendyol, Hepsiburada, Getir, Akinon, İnveon
• Eğitim/Topluluk: LKD, GNU/Linux Toplulukları, Kodluyoruz, Open Source TR
• Dağıtım: Pardus (TÜBİTAK), SUSE TR, Canonical TR, Red Hat TR
• Güvenlik: SecurifyID, Labris Networks, Pronet
• Each card: name, HQ, description, focus areas, and tags

🌍 global.html — Global Open Source & Free Software Companies

120+ yabancı global şirketler açık kaynak ve özgür yazılım geliştiren, destekleyen ve katkıda bulunan (Türk şirketleri hariç — onlar turkey.html'de).

• Kategoriler: Hyperscaler/Cloud, OS Vendor, DevOps, Database, AI/ML, Security, Web/Frontend, Containers/K8s, Observability, Analytics, IoT/Hardware, Blockchain/Web3, Gaming, Enterprise, Hosting/CDN
• Hyperscalers: AWS, Google, Microsoft, Oracle, IBM, Alibaba, Tencent, Huawei, DigitalOcean, OVHcloud, Scaleway
• OS Vendors: Red Hat, Canonical, SUSE, Debian, Mozilla
• Databases: MongoDB, Snowflake, Confluent, Cockroach, Redis, Elastic, MariaDB, Supabase
• AI/ML: OpenAI, Hugging Face, Mistral AI, Stability AI, Meta AI, DeepMind, Anthropic, Cohere
• Security: Snyk, Aqua, Wiz, Palo Alto, Sysdig, CrowdStrike, Teleport
• Web: Meta, Vercel, Vue, Deno, OpenJS, Drupal, WordPress
• Containers: Docker, Rancher (SUSE), Solo.io, Buoyant, Tigera, Weaveworks, Intuit
• IoT/Hardware: Arduino, Raspberry Pi, NVIDIA, Intel, AMD, Arm
• Hosting/CDN: Cloudflare, Fastly, Akamai, Vercel, Netlify, Fly.io

🎓 turkish_tech_universities.html — Türk Üniversiteleri — Bilgisayar, EE & Yazılım Mühendisliği

120+ Türk devlet ve vakıf üniversiteleri Bilgisayar Bilimleri, Bilgisayar Mühendisliği, Elektrik-Elektronik Mühendisliği, Yazılım Mühendisliği ve ilgili alanlarda lisans / yüksek lisans programları sunan.

• Programlar: Bilgisayar Mühendisliği, Elektrik-Elektronik Mühendisliği, Yazılım Mühendisliği, Bilişim Sistemleri Mühendisliği, Yapay Zeka Mühendisliği, Mekatronik
• Araştırma üniversiteleri: ODTÜ, İTÜ, Boğaziçi, Bilkent, Sabancı, Koç, Hacettepe, İYTE, GTÜ, ESTÜ
• Teknik üniversiteler: ODTÜ, İTÜ, YTÜ, KTÜ, GTÜ, ESTÜ, BTÜ, KTÜN, ETÜ, BŞEÜ, GATEM, SBTÜ, Ostim Teknik
• Vakıf üniversiteleri (İstanbul): Koç, Sabancı, Bahçeşehir, Özyeğin, Yeditepe, Bilgi, Okan, Haliç, Kadir Has, Medipol, Doğuş, İstanbul Aydın, İstanbul Gelişim, vs.
• Vakıf üniversiteleri (Ankara): Bilkent, TOBB ETÜ, Başkent, Atılım, Çankaya, TED, Ostim Teknik
• Her şehirden: İstanbul, Ankara, İzmir, Bursa, Kocaeli, Eskişehir, Konya, Antalya, Adana, Trabzon, Gaziantep, Diyarbakır, Erzurum, Van, Malatya, vs.
• Öğretim dili: Türkçe, İngilizce (%100), Fransızca (Galatasaray)

🌐 global_tech_universities.html — Global Universities — CS, EE & Software Engineering

200+ top foreign & global universities in 50+ countries offering undergraduate, master's, and doctoral programs in Computer Science, Computer Engineering, Electrical & Electronic Engineering, Software Engineering, and related fields.

• Elite / Ivy League: MIT, Stanford, CMU, Berkeley, Caltech, Princeton, Harvard, Yale, Columbia, UPenn, Cornell, Dartmouth, Brown
• Europe: Oxford, Cambridge, Imperial, UCL, Edinburgh, Manchester; ETH Zürich, EPFL; TU Munich, RWTH Aachen, TU Berlin; Paris Sciences (Sorbonne, Polytechnique, ENS); Politecnico di Milano; KU Leuven, TU Delft, Aalto
• Asia: Tsinghua, Peking, Zhejiang, SJTU, Fudan, USTC; NUS, NTU; HKUST, HKU, CUHK; KAIST, SNU, POSTECH; IIT Bombay, Delhi, Madras, IISc; Tokyo, Kyoto, Tokyo Tech; IIT (Indian Institutes of Technology)
• Oceania: Melbourne, Sydney, ANU, UNSW, Monash, UQ; Auckland, Canterbury
• North America (USA/Canada): Top 100 US universities (MIT, Stanford, etc.), Toronto, Waterloo, McGill, UBC
• Filter: 7 regions + ranking tier (Elite/Top/Strong/Good) + free-text search
• Tags: Top 5 Global, Public Ivy, Co-op, Bilingual, Research, etc.

🔒 network_companies.html — Open Source VPN & Network Companies

120+ hardware and software companies developing open source VPN, networking, routing, firewall, SDN/NFV, and related network technology products.

• Categories: VPN, Firewall/UTM, Routing/SDN, Wi-Fi/Wireless, CDN/Edge, DNS, NMS/Monitoring, Load Balancer, Overlay/Mesh, SD-WAN/WAN, CNI/Service Mesh, Network Hardware, Observability, IoT Networking
• VPN: OpenVPN, WireGuard, Tailscale, Pritunl, Algo VPN, Cloudflare WARP, ProtonVPN, Mullvad, NordVPN, PiVPN, Outline, V2Ray/Xray, strongSwan, Libreswan, Tails
• Firewall/UTM: OPNsense, pfSense, iptables/nftables, Firewalld, Suricata, Snort, OSSEC, VyOS, Untangle (Arista), IPFire, Endian, Smoothwall, CrowdSec
• Routing/SDN: FRRouting, BIRD, Open vSwitch, ONOS, OpenDaylight, DENT, SONiC, Cumulus Linux, Pica8, Midokura
• CNI/Service Mesh: Cilium, Calico, Flannel, Istio, Linkerd, Kuma, OSM, NSM
• CDN: Cloudflare, Fastly, Akamai, Bunny.net, StackPath/Edgio, Gcore, KeyCDN, Varnish
• DNS: ISC (BIND), PowerDNS, Unbound, Knot DNS, NSD, CoreDNS, Technitium, Pi-hole, AdGuard Home, NextDNS, 1.1.1.1, Quad9
• Load Balancer: Traefik, HAProxy, NGINX (F5), Caddy, Envoy, KrakenD, Kong, Tyk, Apache APISIX
• Overlay/Mesh: Tailscale, Nebula, ZeroTier, Headscale, NetBird, Firezone, NordVPN Meshnet
• Wi-Fi: OpenWrt, DD-WRT, Ubiquiti, TP-Link
• Network Hardware: Arista, Juniper, Cisco, Nokia, Edgecore, Dell, Mellanox (NVIDIA)
• Observability/NMS: Cisco ThousandEyes, Catchpoint, Kentik, Zabbix, LibreNMS, Observium, Checkmk, Icinga, Prometheus, Grafana, ntop, Logz.io
• IoT: Helium, The Things Industries, ChirpStack, H3C, Ruijie, HPE Aruba

💾 file_systems.html — File Systems (Open Source & Proprietary)

100+ file systems used across Unix, Unix-like, Windows, macOS, mobile, embedded, and other operating systems. Includes open source (free software) and proprietary implementations.

• Linux/Unix: ext2, ext3, ext4 (default), Btrfs, XFS, F2FS, JFS, ReiserFS, tmpfs, ramfs, procfs, sysfs, devtmpfs
• Windows: NTFS (default), FAT12/16/32, exFAT, ReFS
• Apple/macOS/iOS: APFS (default), HFS+ (legacy), AFP (legacy)
• BSD Family: UFS, ZFS (CDDL), HAMMER/HAMMER2 (DragonFly)
• Embedded/RTOS: QNX6 fs, JFFS2, UBIFS, YAFFS
• Read-Only: SquashFS, EROFS (HarmonyOS/Android), CramFS, ISO 9660, UDF
• Container: OverlayFS/Overlay2, UnionFS/Aufs, devicemapper
• Network FS: NFS, SMB/CIFS, Samba, AFP, WebDAV, sshfs
• Distributed: GlusterFS, CephFS, HDFS, Coda, AFS/OpenAFS, Lustre, BeeGFS, OrangeFS
• Object Storage: MinIO, Ceph RGW, OpenIO, Swift, Garage, SeaweedFS, IPFS, Tahoe-LAFS, s3fs, JuiceFS, Alluxio
• Virtualization: VirtIOFS, 9P/9pfs, FUSE (user-space)
• Archive: tar, cpio, ar, zip, 7z, RAR, Zstandard
• Cloud Sync: OneDrive, iCloud Drive, Google Drive, Dropbox, MEGA
• Special: Veritas VxFS, ReFS, BeFS (Haiku), Amiga FFS, Atari GEMDOS, OpenVMS Files-11, IBM HPFS (OS/2)
• Mobile: BinderFS (Android)

🇹🇷 turkish_hackers.html — Türkiye'nin Ünlü Bilgisayar Bilimcileri & Yazılımcıları

80+ Türk bilgisayar bilimcileri, yazılımcılar, siber güvenlik uzmanları ve teknoloji liderleri uluslararası düzeyde katkı sunan.

• Açık Kaynak: Togan Müftüoğlu (Debian), Güneş Kıdır (GIMP/GNOME), Eren Türkay (Debian), Kıvanç Özçelik (openSUSE), Gökhun Batmaz (Plasma Mobile), Atilla Özdemir (KDE), Pardus geliştiricileri (Sezai Seçkin, Fatih Öztürk, Ahmet Özdemir, M. Zekai Demir, vb.)
• Akademisyenler (Türkiye & Global): Cem Say (Boğaziçi AI/NLP), Pınar Duygulu Şahin (Hacettepe CV), Onur Mutlu (ETH Zürich mimari), Emin Gün Sirer (Cornell, Avalanche), Ece Kamar (Microsoft Research AI), Tülay Adalı (Temple), ODTÜ/İTÜ hocaları
• Girişimciler: Ayşegül Dündar (Hepsiburada/Microsoft/Google), Onur Vural (Y Combinator/AdMobil), Kürşat Aydın (Cisco/Microsoft/Akamai), Sidar Şahin (Peak Games), Tolga Sakarya (Hotels.com/Expedia)
• Siber Güvenlik: Onur Gungor, Mert Sarıca (OWASP TR/CTF), Sezgin Küçükkara (Trend Micro), A. Murat Şahin, Tolga Özen (Cryptomathic), Abdulkadir Koç, Koray Anı, Mehmet Eryılmaz, Fırat Demirel
• Eski Hacker'lar & Hacktivist: RedHack (1997-), Hakan Bayraktar, Cem Baran Aydın (Hack4Career/CTF)
• Yerli Yazılım Öncüleri: Selim Balcısoy (Logo, TBV), Vehbi Sinan Tatlıoğlu (Meteksan), Mehmet Demir (Akınsoft), Erdal Barın, Yalçın Dedeoğlu (BKM/TrkCard)
• Global Türkler: Özcan Tahincioğlu (Google), Volkan Korkmaz (Atlassian/LinkedIn), Levent Şahverdioğlu (PayU/Stripe), Alper Özdil (Peak/Zynga)
• Oyun Sektörü: Sidar Şahin (Peak Games), Alper Özdil, Mehmet Çağrı Başaran, Cem Kozin, Veli Tiryaki

🌍 global_hackers.html — Global Computer Scientists, Engineers & Hackers

200+ foreign & global computer scientists, software engineers, hackers, security researchers, and technology pioneers who shaped the digital world.

• Pioneers (CS History): Alan Turing (Turing machine, AI test), John von Neumann (von Neumann architecture), Ada Lovelace (first programmer), Charles Babbage (mechanical computing), Claude Shannon (information theory), Grace Hopper (COBOL, debugging), Margaret Hamilton (Apollo, software engineering)
• Unix/Linux/OSS: Dennis Ritchie (C, Unix), Ken Thompson (Unix, Go, UTF-8), Brian Kernighan (K&R C, AWK), Linus Torvalds (Linux, Git), Richard Stallman (FSF, GNU, GPL), Rob Pike (Go, Plan 9, UTF-8)
• Web/Internet: Tim Berners-Lee (WWW inventor), Vint Cerf & Bob Kahn (TCP/IP), Marc Andreessen (Mosaic, Netscape, a16z), Brendan Eich (JavaScript, Brave), Ryan Dahl (Node.js, Deno)
• Programming Languages: Guido van Rossum (Python), Bjarne Stroustrup (C++), James Gosling (Java), Anders Hejlsberg (C#, TypeScript, Turbo Pascal), Yukihiro Matsumoto (Ruby), Larry Wall (Perl), Rasmus Lerdorf (PHP), Brendan Eich (JS), Ryan Dahl (Deno, Node.js), Chris Lattner (Swift, LLVM, Clang), Niklaus Wirth (Pascal, Modula, Oberon)
• Founders/CEOs: Bill Gates & Paul Allen (Microsoft), Steve Jobs & Steve Wozniak (Apple), Larry Page & Sergey Brin (Google), Mark Zuckerberg (Facebook/Meta), Jeff Bezos (Amazon/AWS), Sundar Pichai (Google/Alphabet), Satya Nadella (Microsoft), Jeff Dean & Sanjay Ghemawat (Google, MapReduce, Bigtable, TensorFlow), Drew Houston (Dropbox), Brian Chesky (Airbnb), Patrick Collison (Stripe), Gabe Newell (Valve/Steam), Tim Sweeney (Epic Games), Evan Spiegel (Snap), Peter Thiel (PayPal, Palantir)
• AI/ML Pioneers: Geoffrey Hinton (deep learning, Turing 2018, Nobel 2024), Yann LeCun (CNNs, Turing 2018), Yoshua Bengio (Mila, Turing 2018), Andrew Ng (Google Brain, Coursera), Fei-Fei Li (ImageNet), Demis Hassabis (DeepMind, AlphaFold, Nobel 2024, Turing 2024), Stuart Russell & Peter Norvig (AI: A Modern Approach), John McCarthy (coined 'AI', Lisp), Marvin Minsky (MIT AI Lab), Daphne Koller (Coursera, Insitro)
• Crypto & Web3: Satoshi Nakamoto (Bitcoin), Hal Finney (first Bitcoin tx), Vitalik Buterin (Ethereum), Gavin Wood (Polkadot, Solidity), Charles Hoskinson (Cardano), Adam Back (Hashcash, Blockstream), Whitfield Diffie & Martin Hellman (Diffie-Hellman, Turing 2015), Ron Rivest, Adi Shamir, Leonard Adleman (RSA, Turing 2002), Moxie Marlinspike (Signal), Bruce Schneier, Dan Bernstein (qmail, Ed25519, ChaCha20)
• Security/Hackers: Kevin Mitnick (most wanted US hacker), Dan Kaminsky (DNS cache poisoning 2008), Tavis Ormandy (Project Zero), Phineas Fisher (Gamma Group, Hacking Team hacktivist), Tsutomu Shimomura (tracked Mitnick), Bruce Schneier (Applied Cryptography, Blowfish), Aaron Swartz (Reddit, RSS, open access)
• Game Dev: John Carmack (Doom, Quake, Oculus), John Romero (Doom, Quake), Sid Meier (Civilization), Gabe Newell (Valve, Steam, Half-Life), Tim Sweeney (Epic Games, Unreal, Fortnite), Hideo Kojima (Metal Gear, Death Stranding), Shigeru Miyamoto (Mario, Zelda, Nintendo)
• BSD/Unix: Theo de Raadt (OpenBSD, OpenSSH), Kirk McKusick (FreeBSD, FFS), Jordan Hubbard (FreeBSD co-founder, Apple), Bill Joy (Sun, vi, NFS, BSD)
• Gaming/Web Frameworks: Evan You (Vue.js, Vite), Rich Harris (Svelte, Rollup), DHH (Ruby on Rails), TJ Holowaychuk (Express.js, Koa.js), Isaac Schlueter (npm), Brendan Eich (Brave browser)
• Methodology/Agile: Kent Beck (XP, JUnit), Robert C. Martin (Clean Code, SOLID), Dave Thomas & Andy Hunt (Pragmatic Programmer), Fred Brooks (IBM System/360, Mythical Man-Month)
• Hardware/Graphics: Ivan Sutherland (Sketchpad, CG pioneer), Edwin Catmull (Pixar, Z-buffer), Jim Blinn (Blinn-Phong), Pierre Bézier (Bézier curves)
• Standards/Internet: Robert Kahn (TCP/IP, with Cerf), Eric Schmidt (Google CEO 2001-2011)
• Turing Award Winners (selected): Knuth (1974), Dijkstra (1972), Hoare (1980), Cerf & Kahn (2004), Diffie & Hellman (2015), RSA (2002), Goldwasser & Micali (2012), Hinton/LeCun/Bengio (2018), Hassabis (2024)
• Modern Crypto: Shafi Goldwasser & Silvio Micali (Turing 2012, ZK proofs), Phillip Rogaway (OCB, FPE), Mihir Bellare (HMAC)

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🎨 Design & Theme

Shared Light/Dark Theming

All pages share theme.css and theme.js:

• Light & dark modes with full CSS variable overrides (--bg-1, --text, --accent, etc.)
• Persistent preference stored in localStorage (dchub-theme)
• Respects prefers-color-scheme for first-time visitors
• Top-right toggle button (☀/☾) on every page
• Animated radial gradient background in body::before with theme-tuned colors

Visual Style

• Dark gradient palette by default (cyan / purple / green)
• Card-based grid layouts with hover lift and glow
• Sticky top navigation with active-page highlight
• Pill-shaped filter buttons
• Search inputs and category filters on data pages
• backdrop-filter: blur(10px) for glassmorphism nav
• Fully responsive (mobile-first)

Footer Standard

Every page ends with:

<footer>
  <hr />
  <p>...page description...</p>
  <p>Copyright (C) 2026 QB Networks AGPLv3-or-later ve CC BY-SA 4.0 or later</p>
</footer>

— centered, with a horizontal rule above the text.

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🧩 File Structure

dc/
├── index.html              ← Hub landing page
├── dc.html                 ← Global datacenters
├── contributors.html       ← Open source companies
├── app.html                ← Cloud native app vendors (+ K8s vs CNCF)
├── tier.html               ← Free tier list
├── affiliate_networks.html ← Affiliate programs
├── virtualization.html     ← Virtualization directory
├── universities.html       ← Universities
├── organizations.html      ← Foundations & associations
├── gov.html                ← Governments & militaries on open source OS
├── turkey.html             ← Türkiye'deki açık kaynak & özgür yazılım şirketleri
├── global.html             ← Global (foreign) open source & free software companies
├── turkish_tech_universities.html ← TR üniversiteleri — bilgisayar/EE/yazılım mühendisliği
├── global_tech_universities.html ← Global üniversiteler — CS, EE & Software Eng.
├── network_companies.html      ← Açık kaynak VPN & ağ teknolojileri şirketleri
├── file_systems.html          ← Tüm OS'lerde dosya sistemleri (OSS + Proprietary)
├── turkish_hackers.html       ← Türkiye'nin ünlü bilgisayar bilimcileri & yazılımcıları
├── global_hackers.html        ← Global bilgisayar bilimcileri, mühendisleri & hacker'ları
├── theme.css               ← Shared light/dark CSS variables + toggle
├── theme.js                ← Theme switcher (localStorage + OS pref)
└── README.md               ← This file

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🔗 Cross-Page Navigation

Every page contains the same top navigation bar:

[ Home ] [ Datacenters ] [ Open Source ] [ Cloud Native Apps ]
[ Free Tier List ] [ Affiliate Networks ] [ Virtualization ]
[ Universities ] [ Organizations ]

The current page is highlighted with a gradient pill.

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🛠️ Technical Notes

• No build tools. Pure HTML + CSS + vanilla JS.
• No external dependencies. All assets (fonts, styles, scripts) are local or use system fonts.
• Accessibility: semantic HTML, aria-label on the theme toggle, prefers-color-scheme support, keyboard-navigable buttons.
• Performance: Single shared theme.css (2.4 KB) and theme.js (1.4 KB); all data is embedded inline in each page.

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📜 License

Copyright (C) 2026 QB Networks AGPLv3-or-later ve CC BY-SA 4.0 or later

Content (datacenter facts, vendor lists, etc.) is compiled from public sources and provided for informational purposes.