Renderify: Instantly Render LLM-Generated JSX/TSX in the Browser (No Build Step) http://www.echojs.com/news/43239 https://github.com/webllm/renderify

Getting Started with the Vercel AI SDK in Node.js http://www.echojs.com/news/43237 https://thecodebarbarian.com/getting-started-with-the-vercel-ai-sdk-in-nodejs.html

From instanceof to Error.isError: safer error checking in JavaScript http://www.echojs.com/news/43236 https://allthingssmitty.com/2026/02/23/from-instanceof-to-error-iserror-safer-error-checking-in-javascript/

swagent – Convert OpenAPI specs to llms.txt so AI agents can consume your API (75% token reduction) http://www.echojs.com/news/43234 https://swagent.dev

TypeScript “object” doesn’t make sense http://www.echojs.com/news/43233 https://medium.com/ekino-france/typescript-object-doesnt-make-sense-fc95b6c663f9

Coaction v1.0 – Effortless multithreading for high-performance web apps http://www.echojs.com/news/43231 https://github.com/unadlib/coaction

FluxAPI – Lighthouse for API calls. 13 audit rules with network-adjusted scoring http://www.echojs.com/news/43230 https://github.com/aswinsasi/fluxapi

Nice try dear AI. Now let's talk about production. http://www.echojs.com/news/43229 https://krasimirtsonev.com/blog/article/nice-try-dear-ai-now-lets-talk-production

A simple bridge to request human confirmation via Telegram from an MCP agent (like Antigravity) http://www.echojs.com/news/43227 https://github.com/aralroca/telegram-bot-mcp

Mini Logo interpreter in ~120 lines of pure JS http://www.echojs.com/news/43223 https://slicker.me/javascript/logo/logo_interpreter.htm

Free React Gantt Chart That Handles 10k Tasks (MIT-licensed) http://www.echojs.com/news/43222 https://github.com/svar-widgets/react-gantt

Aurora OS.js - An open source hacking simulator game http://www.echojs.com/news/43221 https://github.com/mental-os/Aurora-OS.js

A MCP server for GitLab with powerful, safe, policy-controlled access http://www.echojs.com/news/43220 https://github.com/mcpland/gitlab-mcp

Free JS DataGrid distributed under GPL v3 licence http://www.echojs.com/news/43219 https://github.com/webix-hub/grid

Simple way to do radial gauge with SVG http://www.echojs.com/news/43218 https://codepen.io/pakastin/pen/JoKxEZx

Gitton – A Git GUI with JavaScript plugin system and AI-powered workflows http://www.echojs.com/news/43217 https://github.com/gitton-dev/gitton

Visual Agentic Dev: Click any React component to edit code with AI (Open Source) http://www.echojs.com/news/43216 https://github.com/brucetoo/visual-agentic-dev

Mocking Mongoose models that works with Jest and Vitest - now rewritten with TypeScript http://www.echojs.com/news/43215 https://github.com/alonronin/mockingoose

UEFI Bindings for JavaScript (Proof of Concept) http://www.echojs.com/news/43214 https://codeberg.org/smnx/promethee

The Agent Internet: 95+ Platforms Where AI Agents Are the Primary Users http://www.echojs.com/news/43213 https://telegra.ph/How-to-Join-the-Agent-Internet-in-2026-A-Practical-Guide-02-09

browser-use for Node.js v0.2.0 — TypeScript AI browser automation with parity to Python browser-use v0.5.11 http://www.echojs.com/news/43212 https://github.com/webllm/browser-use

CodeGuard - AI-Powered Security Code Scanner http://www.echojs.com/news/43211 https://github.com/zenika-open-source/promote-open-source-project

MorphQL: TS Library/CLI/Server to transform data http://www.echojs.com/news/43209 https://github.com/Hyperwindmill/morphql

Benchmarking AI Code Security: 65-75% Vulnerability Rate (Claude Models) http://www.echojs.com/news/43210 https://dev.to/ofri-peretz/i-let-claude-write-60-functions-65-75-had-security-vulnerabilities-414o

MorphQL: TS Library/CLI/Server to transform data http://www.echojs.com/news/43209 https://hyperwindmill.github.io/morphql/

Tabularis – Free DataGrip alternative with AI query builder http://www.echojs.com/news/43208 https://github.com/debba/tabularis

My Teletext website! http://www.echojs.com/news/43207 https://pakastin.fi

Explicit resource management in JavaScript http://www.echojs.com/news/43206 https://allthingssmitty.com/2026/02/02/explicit-resource-management-in-javascript/

UI Potion - AI ready structured data for UI components http://www.echojs.com/news/43205 https://uipotion.com

Heat.js v5.0.0 - New views! New layout! New ... everything! http://www.echojs.com/news/43204 https://www.heatjs.com/

Lynkr - Run Moltbot/Clawdbot/OpenClaw for free with local LLMs http://www.echojs.com/news/43203 https://github.com/Fast-Editor/Lynkr

Foal framework v5.2 is out http://www.echojs.com/news/43202 https://foalts.org/blog/2026/01/23/version-5.2-release-notes

Analysis of CVE-2025-12758 - how zero-width characters could bypass length validation in validator.js http://www.echojs.com/news/43201 https://www.thedroidsonroids.com/blog/when-zero-width-isnt-zero

Bumpy: a lightweight alternative to Changesets and Nx Release for monorepositories http://www.echojs.com/news/43200 https://github.com/antonreshetov/bumpy

Clockwork Local MCP for TimeTracking using Claude-Code http://www.echojs.com/news/43199 https://github.com/Techthos/clockwork

[AI] A browser module that displays images in a full-screen overlay with zoom/pan support. http://www.echojs.com/news/43198 https://github.com/tracker1/simple-image-viewer

Neutralinojs v6.5 released http://www.echojs.com/news/43197 https://neutralino.js.org/docs/release-notes/framework#v650

Travels v1.0 – A 10x faster undo/redo library using JSON Patches instead of snapshots http://www.echojs.com/news/43195 https://github.com/mutativejs/travels

billboard.js 3.18.0: Arc annotations, per-group normalization & enhanced treemap labels http://www.echojs.com/news/43194 https://netil.medium.com/billboard-js-3-18-0-arc-annotations-per-group-normalization-enhanced-treemap-labels-03518c25af76

Syntux - build generative UIs for the web. http://www.echojs.com/news/43191 https://github.com/puffinsoft/syntux

Patterns I used building a real-time webhook debugger in Node.js http://www.echojs.com/news/43190 https://github.com/ar27111994/webhook-debugger-logger

Web UI to play the frequencies of various sets of tuning forks using the Web Audio API http://www.echojs.com/news/43151 https://github.com/evoluteur/healing-frequencies

Formbase: open‑source backend for HTML forms http://www.echojs.com/news/43188 https://github.com/formbase-dev/formbase

SVAR React v2.4: extended UI library, super-fast datagrid & Gantt chart http://www.echojs.com/news/43186 https://svar.dev/blog/svar-react-library-2-4-released/

I used a generator to build a replenishable queue. http://www.echojs.com/news/43185 https://macarthur.me/posts/queue/

Stop turning everything into arrays (and do less work instead) http://www.echojs.com/news/43184 https://allthingssmitty.com/2026/01/12/stop-turning-everything-into-arrays-and-do-less-work-instead/

[Ask HN] Feelings on AI generated tools/content. http://www.echojs.com/news/43183 http://www.echojs.com/news/43183

Atrion – Deterministic traffic orchestration using physics (Node.js) http://www.echojs.com/news/43182 https://github.com/laphilosophia/atrion

Mobile device shake detection http://www.echojs.com/news/43181 https://slicker.me/javascript/shake/shake.htm

Interactive app to take a look at how you spend your time. http://www.echojs.com/news/43180 https://github.com/evoluteur/time-management