Code generation, review, debugging, and AI pair programmers that speed up software development.
34 tools in Developer Tools
AI pair programmer that completes code, answers questions, and works agentically inside VS Code, JetBrains, and GitHub. Free tier includes monthly completions and chat requests.
Open-source terminal-based AI pair programmer that edits code across 100+ languages with full git integration, free to use.
Free AI coding assistant for VS Code, JetBrains, and CLI with code completion, chat, and agentic refactoring; free tier includes monthly limits.
Google's agentic coding platform built around Gemini 3 Pro, currently in free public preview with generous usage limits.
AI coding agent and platform that refactors code, generates tests, and reviews pull requests across 35+ IDEs, with a free tier for chat and basic agent use.
In-browser AI app builder that generates full-stack websites and apps from prompts; free tier includes 300K daily tokens and hosting.
An open-source browser CLI and skill catalog built by Browserbase that gives AI agents structured web-automation primitives (click, scroll, type, screenshot) and a community-driven skill library for s
Free AI-assisted no-code app builder. Automate workflows and build full apps.
Anthropic's agentic coding tool that works directly in your terminal, IDE, GitHub, and Slack. Included in all paid Claude plans (Pro and up) -- no standalone free tier; pay-as-you-go API access is also available.
Free AI code completion and chat. Supports 70+ languages with fast suggestions.
AI code-review assistant that provides line-by-line feedback, bug detection, and auto-fixes for pull requests directly in GitHub/GitLab, IDEs, and CLI; the free plan includes PR summarization and unli
OpenAI's agentic coding tool built into ChatGPT -- available via CLI, IDE extension, and web. Included across ChatGPT plans, including Free, with usage limits by plan.
Connects AI agents to 1,000+ apps with secure auth and tool execution, offering a free developer tier with 20K tool calls per month.
AI-powered code editor and agent that completes code, reviews PRs, and runs tasks in the IDE; free Hobby plan includes limited completions and agent requests with no credit card.
AI software engineer that autonomously writes code, creates pull requests, and handles full development tasks; free tier includes light agent quota, unlimited inline edits, and unlimited tab completio
AI-powered web search API built for agents and developers, offering 20,000 free requests per month with token-efficient, cited results across docs, repos, and the open web.
API gateway that routes traffic to official GPT, Claude, and Gemini models through one key at discounted prices; offers a free trial to start.
Free playground for building with Gemini models: prompt, tune, compare, and export working API code without any setup. Includes a free API key.
Free AI chatbot from xAI with real-time web and X search, voice mode, and image generation, available through a generous free tier.
Google's asynchronous AI coding agent: assign it a GitHub issue and it comes back with a tested pull request. Free tier includes daily tasks.
Moonshot AI's coding-focused agent built on Kimi, for writing and editing code directly from chat or the web.
YC-backed platform that provides live sandboxed environments for training and evaluating AI agents, with managed MCP servers and a free tier for basic usage.
Open-source LLM observability and prompt management platform for tracing, evaluating, and improving AI applications, with a free tier.
Open-source agent framework and research lab offering stateful, self-improving AI agents with git-based memory; free tier includes up to three managed agents and BYOK support.
