7 Unstoppable Technologies Quietly Running the Internet
From BitTorrent's distributed swarms to eBPF running code inside the Linux kernel — these real, open technologies power the modern web while staying almost invisible.
Most developers use the surface layer of the internet every day — REST APIs, browsers, npm packages — without realizing the deeper, almost "unstoppable" technologies quietly holding everything together. Here are seven real, open, and battle-tested systems worth knowing.
1. BitTorrent & the DHT
BitTorrent doesn't need central servers because it runs on a Distributed Hash Table (DHT) — every participating node stores a slice of the swarm's routing table. Even if every tracker on Earth disappeared, an active swarm using DHT + PEX (peer exchange) keeps functioning. This same DHT concept underpins IPFS today.
2. eBPF — Programs Inside the Linux Kernel
eBPF (extended Berkeley Packet Filter) lets you safely run sandboxed programs inside the Linux kernel without changing kernel source or loading modules. Companies like Cloudflare, Netflix and Meta use it for firewalls, observability and load balancing at a scale traditional tools can't touch.
3. IPFS — Content-Addressed Storage
InterPlanetary File System addresses data by content hash, not location. That means a file is the same file no matter which node serves it — enabling permanent, censorship-resistant publishing.
4. WebAssembly (Wasm)
Wasm is a binary instruction format that runs at near-native speed inside any browser, sandboxed and secure by default — a genuine "write once, run securely everywhere" technology now expanding into serverless edge compute.
5. The Tor Onion Routing Network
Tor wraps traffic in multiple encrypted layers relayed across volunteer-run nodes worldwide, so no single relay knows both the origin and destination. It's fully open-source and has resisted large-scale shutdown attempts for two decades.
6. CRDTs — Conflict-Free Replicated Data Types
CRDTs let multiple users edit the same data offline and merge changes automatically without conflicts — the secret behind real-time collaborative apps like Figma-style multiplayer editing.
7. RSS/Atom Feeds
Written off as "dead" for a decade, the open RSS/Atom protocol quietly still powers podcasts, newsletter pipelines and content syndication for millions of sites — no platform can kill an open standard nobody controls.
DevZar catalogs real, working APIs across dozens of niches precisely because we believe open, permissionless technology is what makes the internet unstoppable.