Developer Builds Minimal Alternative Internet Protocol, Browser, and Firewall in Pure Python

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A developer has created 'weft', a lightweight alternative internet stack built entirely in pure Python with no external dependencies. The project includes a line-based TCP protocol with its own address scheme, a markup language, a terminal browser, and an application-layer firewall. The firewall supports hot-reloading of rules via SIGHUP, CIDR-based source matching, and shell-glob path filtering without dropping live connections. The entire stack spans just a few hundred lines of code and links three small servers together to form a minimal network. The project was deliberately designed to stay small and text-first, prioritizing simplicity over scalability.

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Developer builds minimalist TCP-based internet protocol called weft in pure Python

Software developer Thomas Verhave created weft, a lightweight alternative network protocol built on raw TCP using only Python's standard library with zero external dependencies. The project features its own address scheme, a line-based markup format, a terminal browser, and an application-layer firewall, all contained within a few hundred lines of code. Inspired by a sarcastic remark about rebuilding the internet, Verhave designed weft around four principles: text-first pages, no client-side code, human-readable files, and a network small enough to understand entirely. The protocol deliberately borrows its simple request-response structure from the Gemini protocol, using just four status codes and no JavaScript, eliminating what Verhave sees as the surveillance and bloat of the modern web. Three linked servers demonstrate a working miniature inter-network, and while weft is not intended to scale, it serves as a proof-of-concept for a leaner, more transparent approach to networked communication.

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ProgrammingDEV Community ·

Developer Builds Minimalist Alternative Internet Protocol in Pure Python

A developer has created 'Weft', a lightweight alternative internet protocol built on raw TCP, using only Python's standard library with zero external dependencies. The project features its own address scheme, line-based markup language, a terminal browser, and an application-layer firewall controllable via browser. Three small interconnected servers form the network, and the entire codebase spans just a few hundred lines of code. Weft was designed as a deliberate counterpoint to the modern web, which the creator argues is bloated with JavaScript and pervasive user tracking. The project's core principles include text-first content, no client-side code, human-readable page files, and a network simple enough to fully understand.

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