---
author: "Umesh Malik"
canonical: "https://umesh-malik.com/blog/tag/developer-tools"
description: "Explore articles tagged with Developer Tools by Umesh Malik — AI Engineer, LLM & GenAI Developer. Learn Developer Tools best practices, practical tips, and in-depth guides."
title: "Umesh Malik's Blog - Developer Tools Articles | Developer Tools Tutorials"
tokens: 568
generator: "scripts/generate-page-markdown.mjs"
---

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# Developer Tools

4 articles

 [![ChatGPT super app reform showing the Apps SDK built on MCP with inline app UIs and the App Directory](https://umesh-malik.com/blog/chatgpt-apps-sdk-cover.png)

AI Engineering • Jul 11, 2026

### ChatGPT Apps SDK and the Super App Reform: How Apps in ChatGPT Work (2026)

The ChatGPT Apps SDK explained: how apps in ChatGPT work, why it's built on MCP, who the launch partners are, and how developers build and submit apps.

7 min read

Read more →](https://umesh-malik.com/blog/chatgpt-apps-sdk-super-app-guide)

 [![Cover comparing free and paid access to Claude Code, Codex, Gemini CLI, and GitHub Copilot AI coding agents in 2026](https://umesh-malik.com/blog/use-claude-code-codex-for-free-cover.png)

AI Coding Agents & DX • Jun 23, 2026

### Can You Use Claude Code and Codex for Free? Honest 2026 Guide

The honest answer to using Claude Code and Codex for free in 2026: what's truly $0, what isn't, the best free AI coding CLIs, and how to cut your bill.

7 min read

Read more →](https://umesh-malik.com/blog/use-claude-code-codex-for-free)

 [![claude-swap cover showing the four-step flow of switching Claude Code accounts: add account, switch, restore credentials, restart](https://umesh-malik.com/blog/claude-swap-multi-account-switcher-guide-cover.png)

AI Coding Agents & DX • May 30, 2026

### How to Switch Between Multiple Claude Code Accounts Without Re-Logging In (claude-swap Guide)

claude-swap is an open-source CLI that switches Claude Code accounts in seconds — no browser re-login. How it works, how to use it, and what it misses.

15 min read

Read more →](https://umesh-malik.com/blog/claude-swap-multi-account-switcher-guide)

 [![A lightning bolt splitting between Next.js and Vite logos, symbolizing Cloudflare's revolutionary Vinext framework that's 4.4x faster](https://umesh-malik.com/blog/cloudflare-vinext-cover.png)

Web Engineering • Feb 25, 2026

### Cloudflare viNext: The $1,100 Next.js-on-Vite Rebuild

Cloudflare viNext rebuilt Next.js on Vite for $1,100 in 7 days: 4.4x faster builds, 57% smaller bundles, already powering CIO.gov in production.

27 min read

Read more →](https://umesh-malik.com/blog/cloudflare-vinext-next-js-vite-revolution)