Provider-neutral chat transcript hub with no-key local mocks.

Directory snapshot and sync-plan engine before copying bytes.

Local network file drops with one-time share tokens.

Tiny uptime monitor with JSON logs and static status pages.

Python dependency vulnerability scanner using OSV.dev

Type-safe argv parser with a Zod-style fluent schema builder; inferred result types, env fallbacks, aliases, defaults.

Prompt regression testing for CI with deterministic judges and no-key demos.

Strict, dependency-free BitTorrent-style bencode encoder/decoder. Round-trips are exact: rejects every non-canonical encoding.

Strict typed argv parser for TypeScript — every option has a typed schema; booleans never coerced from strings.

Zero-dep URL normalizer: case-fold, default-port strip, dot-segment removal, percent-encoding canonicalization, optional query sort.

Static local media catalog for movies, shows, music, and audiobooks.

Ethical offline reader for public pages you can access.

Security-conscious JSON parsing with duplicate-key detection and depth/size limits.

Infer CSV dialect (delimiter, quote, header) from raw text without `csv.Sniffer`. Zero dependencies.

Local-first RAG pipeline with chunking, retrieval, evaluation, and reports.

ANSI-aware paragraph wrap, fill, and shorten with hanging indents and wide-character (CJK) support. Zero dependencies.

Turn any Git repository into a local SWE-bench-style coding-agent benchmark.

Local photo inventory, duplicate detection, and album planning.

Exact fixed-point decimal arithmetic for money-style calculations in TypeScript.

Strict no-dependency TOML common-subset parser with conformance checks.