AI app categories

Developer Tools

Ship code faster and find the bug.

2,310 tools · updated Aug 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

2,291 reviewed tools

Novu

Novu simplifies all your communication channels into a simple workflow of Emails, SMSs, Push notifications, and In-app notifications.

Agent 37 Cloud

Agent 37 is managed hosting for persistent agents like Hermes, OpenClaw and ClaudeCode.

Boxes.dev

Cloud dev environments for agentic coding.

DMV by Agent Community

Agent Community is building the identity layer for the agentic web.

Keen Code

Keen Code is an open-source, context-aware and efficient CLI coding agent written in Go.

RunInfra

Tell RunInfra what you need and it builds the production API.

AppWizzy

AppWizzy gives you a private VM with Codex installed where you build, run, and host production web apps by chatting with AI.

Context.dev

Context.dev gives your AI agents and apps real-time access to structured web data, no brittle scraping infrastructure needed.

Cloud World Model

Simulate AWS, GCP, Azure, OCI & DigitalOcean architectures to predict cost, performance, and resilience without provisioning real resources or paying a cloud bill.

Uiverse.io

Website for developers featuring hundreds of community-made CSS and HTML UI elements like buttons, inputs, checkboxes, and cards.

Lightning Rod: AI Forecasting API

Foresight by Lightning Rod is an OpenAI-compatible forecasting API for developers building forecasting agents, prediction bots, and decision tools.

Devin by Cognition

Devin is the new state-of-the-art on the SWE-Bench coding benchmark, has successfully passed practical engineering interviews from leading AI companies, and has even completed real jobs on Upwork.

html.contact

html.contact turns plain HTML forms into working email forms with attachments, logs, exports, API access, verified routing, domain allowlists, and spam controls.

Cloudskill

Bring order to the AI agent skills your team depends on.

Browserbase

Browserbase makes the web as reliable and programmable as APIs.

SlimSnap

The AI reads your screenshot as a pixel blob and guesses which button you meant.

Constellation Gate AI

Point your AI agent at Gate.

agentcad

Give your coding agent the ability to design real, manufacturable parts.

Coasty

Most agent infrastructure runs workloads in shared environments, one compromised agent affects everything else.

superlog

Superlog is an open-source autonomous observability tool.