2026 Best AI Developer tools

AI developer tools for coding, debugging, testing, and automation. Discover assistants, APIs, IDE extensions, and platforms that streamline software development.

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Coding & Development

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Products

Sourcery preview
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Sourcery

AI Code Assistant

AI code reviews for GitHub, GitLab, and IDE workflows

Freemium
Project IDX preview
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Project IDX

AI Developer Tools

Continue work in existing cloud workspaces and export your code before Firebase Studio shuts down.

Freemium
Chainlit preview
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Chainlit

AI App Builder

A framework for developers to build conversational AI apps with Python logic.

Freemium
CapSolver preview
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CapSolver

AI Developer Tools

AI-powered CAPTCHA solving for scraping, testing, and RPA

Freemium
Telex preview
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Telex

AI Code Assistant

Telex is an AI-assisted WordPress environment for turning ideas into functional projects.

Freemium
Refine preview
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Refine

AI App Builder

Open-source React framework for internal tools, admin panels, dashboards, and B2B apps with AI-assisted workflows

Freemium
Deepchecks preview
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Deepchecks

AI Developer Tools

Platform for LLM evaluation, testing, and monitoring across prompts, models, RAG pipelines, and agents

Freemium
HumanLayer preview
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HumanLayer

AI Project Management

HumanLayer is an AI IDE and collaboration platform for engineers working in complex codebases. It helps teams manage agent sessions, artifacts, and review workflows with their own Claude, Codex, or API-key-based AI setup.

Freemium
Linkup preview
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Linkup

AI Search Engine

Production-grade web search API for grounded AI answers and full-text snippets

Freemium
OpenLIT preview
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OpenLIT

AI Developer Tools

Open-source LLM observability with OpenTelemetry for monitoring, tracing, and evaluating AI apps.

Freemium
Superagent preview
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Superagent

AI Code Assistant

AI security for code and agents that finds and patches vulnerabilities, with fixes returned as pull requests.

Freemium
Hacktron AI preview
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Hacktron AI

AI Code Assistant

AI code review and application security for finding exploitable vulnerabilities in pull requests

Freemium
AgentOps preview
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AgentOps

AI Developer Tools

AgentOps is a developer platform for building, tracing, debugging, and deploying AI agents and LLM applications. It provides observability for agents built with OpenAI, CrewAI, AutoGen, and more than 400 LLMs and frameworks.

Freemium
cubic preview
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cubic

AI Code Assistant

cubic is an AI code review platform for complex codebases. It helps teams catch bugs in pull requests and scan repositories for issues before merge or release.

Freemium
Million Software, Inc. preview
Million Software, Inc. logo

Million Software, Inc.

AI Code Assistant

Verification for AI coding agents that helps prove generated code works

Freemium
CodeGPT preview
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CodeGPT

AI Code Assistant

AI coding assistant with model flexibility, BYOK, and planning-first code generation

Freemium
Corgea preview
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Corgea

AI Developer Tools

Application security platform for finding and fixing vulnerabilities across code, packages, infrastructure, and containers.

Freemium
cmux preview
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cmux

AI Developer Tools

Native macOS terminal for AI coding agents and CLI workflows

Freemium
Equixly preview
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Equixly

AI Code Assistant

Equixly is an offensive security platform for continuous API and application testing with an Agentic AI Hacker.

Freemium
Qwiet AI by Harness preview
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Qwiet AI by Harness

AI Developer Tools

Scan application code, prioritize reachable vulnerabilities, and review AI-assisted fixes.

Freemium