AI app categories

Developer Tools

Ship code faster and find the bug.

4,355 tools · updated Oct 1, 2026

This 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

Stepfun

StepFun is a frontier AI platform building powerful, actionable intelligence with the Step series of models.

Opper AI

One API key to 300+ models, hosted in the EU.

LocIn AI

Translate your app with tone-aware AI, automated localization workflows, CLI integration, and instant API access.

Link Preview API

Completely free.

The Virtual OS Museum

Over 1,700 pre-installed operating systems spanning 1948 to today, in a single Linux VM.

TailMux

The official Tailscale client keeps one tailnet active at a time.

Empromptu AI

Empromptu empowers businesses to build full-stack, AI-native applications in minutes—no code required—by combining a conversational builder with powerful agents that handle data ingestion, logic,….

Panorama

Panorama analyzes your workplace data to recommend hidden structures and AI workflows your team can run together.

SuperHQ

SuperHQ orchestrates Claude Code, Codex, and Pi coding agents inside isolated microVMs, with a secure auth gateway that keeps your API.

Magic Studio by Once UI

Magic Studio is a white-label frontend system built on Once UI.

riffle

Riffle is an infinite, collaborative ecosystem for music creation, where every idea has the space and support it needs to find its shape.

Hera

Hera is the first AI motion designer that creates professional animations in seconds.

Forge

Forge is a modern React component library with 100+ production-ready UI components, dark/light themes, TypeScript support, and AI.

Replyke

Replyke is infrastructure for user-powered products.

Rosentic

Rosentic checks every PR against every other open PR before merge.

WUPHF by Nex.ai

WUPHF is a collaborative office of AI employees who build and maintain their own knowledge base to never lose context for the tasks you.

Cai

Press ⌥C on anything to run smart actions: AI prompts, shell scripts, GitHub issues, Linear tickets, or send results anywhere.

uTerminal

SSH, RDP, local shell, and serial access in one desktop app.

ScreenVeil

ScreenVeil helps you hide sensitive parts of your screen and place useful overlays on top of any app on macOS.

Lunagraph

Lunagraph is a design canvas — like Figma, but everything you add is real HTML, CSS, and React.