Ui
250+ Free & Premium Tailwind CSS templates, UI Kits, and components to build modern websites and landing pages with pre-built component libraries.
Free
AI app categories
Developer Tools
Ship code faster and find the bug.
4,355 tools · updated Oct 1, 2026This is the deepest category on Appz, and the fastest-moving. It covers autocomplete and agentic coding assistants, code review and static analysis, test generation, observability and deployment tooling. Judge these tools on the boring parts — how they handle a large existing repo, and how much of their output you end up rewriting.
Developer Tools apps
4,351 reviewed tools
Next.js SaaS starter kit
With our scalable and production-ready Next.js SaaS starter kit you can focus on building your product and ship faster than the competition. Save endless hours of development time and focus on what's important for your customers.
Free
Black Screen
Free Black Screen for fullscreen focus, OLED power saving, and display testing. Use black, white, red, green, and more for pixel checks and downloads.
Free
Shadcn Templates
A huge collection of shadcn ui templates and components. Shadcn UI Templates, UI Kits, Blocks, Components, Boilerplates, Admin dashboards and more.
Free
Grok 4
Experience Grok 4, the revolutionary AI that surpasses human experts. Learn about Grok 4 AI features, Grok 4 Heavy, Grok 4 code assistance.
Free
FormatJSONOnline
Easily format, validate, and beautify JSON data with our free online tool. Fast, reliable, and packed with powerful JSON conversion features.
Free
n8n Workflow Template Collection
Curated high-quality n8n workflow automation templates to help you quickly implement process automation, boost efficiency, and easily reuse and customize.
Free
Unix Timestamp
Free Unix timestamp converter by Unix Timestamp. Convert timestamp to date or date to timestamp with time zone support, multiple formats, and easy copying.
Free
Genie 3
Revolutionary world model for interactive 3D video game generation. Create immersive navigable game worlds in real-time at 720p with dynamic environments.
Free
AI MusicAPI
Easily integrate AI music generation features into your app to generate commercially-usable, studio-quality songs, powered by Suno and Riffusion
Free
Dotlet
Buy a domain for my dream
Free
Slashit App
Turn your common text into shortcut
Free
Free Screen Test Tool
Free online screen testing tool to detect dead pixels, stuck pixels, and display issues. Test your monitor, laptop, phone, and tablet screens with professional color and pattern tests.
Free
Mathcheap
An AI-powered, free alternative to Mathpix Snip.
Free
HD Photo Converter Free
Instantly convert your photos to HD quality. Our HD Photo Converter is an AI-powered image upscaler that enhances blurry, pixelated, or low-resolution photos to stunning 4K resolution in seconds. Experience the best photo enhancement from the top-rated HD Photo Converter. Quick registration required.
Free
BrixUI
BrixUI is the ultimate multi-brand UI kit and ever-growing design system for Figma, providing everything you need to design landing pages, websites, or complex apps with the largest component library ever.
Free
AutoLocalise
Localize your React, React Native, Expo, and Next.js apps instantly without managing translation files. Support 100+ languages with AI-powered translations.
FreeFree PNG to WebP Converter
Convert PNG images to WebP format online for free. Reduce file sizes by up to 35% while maintaining perfect image quality and transparency. Fast, secure, and supports batch conversion with universal browser compatibility.
Free
Free LaTeX to Image Converter
Free online tool to convert LaTeX to images. Create beautiful mathematical formulas for your documents and websites instantly.
Free
SparkIcon AI
The leading AI icon generator and icon maker. Perfect for site icons, app icons and all your need. And export to svg,webp or ico in one click!
Free