I build zero-dependency, TypeScript-first npm libraries that replace multiple bloated packages with single, well-tested alternatives.
9 production-ready libraries. 100% test coverage. 0 runtime dependencies.
const avinash = {
role: "Open-Source Library Author",
location: "Chennai, Tamil Nadu, India 🇮🇳",
stack: ["TypeScript", "Node.js", "Bun", "Deno", "Python"],
philosophy: "Zero deps. Strict types. 100% coverage.",
currently: "Building the TypeScript utility ecosystem",
};| Package | Description | Install |
|---|---|---|
17 async primitives — retry, circuit-breaker, debounce, throttle, queue, semaphore, mutex, rate-limit, pipeline, memo & more. Replaces p-queue + p-limit + p-retry + p-timeout |
npm i flowx-control |
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| Resilience toolkit — retry with jitter, circuit breaker (half-open/open/closed), bulkhead, fallback, hedge, cache. Works on Node, Bun, Deno, Cloudflare Workers | npm i flowshield |
| Package | Description | Install |
|---|---|---|
| Schema validation — TypeScript-first Zod alternative with string, number, object, array, bigint, boolean schemas + coerce | npm i valicore |
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| Runtime type guards — isString, isEmail, isUrl, assertType, Result type (Ok/Err), transform, env guards | npm i guarden |
| Package | Description | Install |
|---|---|---|
| Environment manager — type coercion, schema validation, auto TypeScript typegen, secret vault, multi-env sync. Replaces dotenv + envalid | npm i ultraenv |
| Package | Description | Install |
|---|---|---|
| HTTP client — Axios alternative with interceptors, plugins, retry, timeout, TypeScript-native. Zero dependencies | npm i httix-http |
| Package | Description | Install |
|---|---|---|
| 50-in-1 CLI + library — UUID, hash, base64, JWT decode, JSON format, color convert, password gen, IP validate & 40 more. Zero deps | npm i -g devknife |
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| TypeScript-first Lodash replacement — chunk, compact, flatten, groupBy, sortBy, intersection, zip, partition, range & more | npm i typeforge-ts |
|
| Math library — statistics (mean, median, variance, regression), linear algebra (matrix multiply, determinant, cosine similarity) | npm i mathfuse |
| Project | Description | Install |
|---|---|---|
| yt-transcript-pro | YouTube transcript extractor — async concurrency, playlist/channel support, checkpointing, and 6 output formats. Production-grade CLI | pip install yt-transcript-pro |
✅ Zero runtime dependencies — no supply chain risk
✅ TypeScript strict mode — full type safety, no 'any'
✅ 100% test coverage — statements, branches, functions, lines
✅ ESM + CJS dual output — works everywhere
✅ Tree-shakable — import only what you need
✅ Edge-ready — Node.js, Bun, Deno, CF Workers
All 10 libraries are free, open-source, and zero-dependency — built and maintained solo. If any of them saved you time, a coffee keeps the builds going. ☕
No budget? No problem — these are free forever:
⭐ Star any repo that saved you time • 🐛 File issues • 📢 Share with your team
- 📦 npm: npmjs.com/~avinash695
- 🐛 Issues: Open on any repo — PRs welcome
- ⭐ Star any library that saves you time — it means everything to a solo dev