Best AI tools for Engineering & Dev
AI coding, code review, testing, docs and deployment. 23 use cases, each with a ranked top 5.
Write code with AI
#1 Cursor · then GitHub Copilot, Claude Code
Autonomous AI coding agent#1 Devin · then OpenAI Codex, Cursor
AI code review on pull requests#1 CodeRabbit · then Greptile, Graphite
Search a large codebase#1 Sourcegraph · then Cursor, Greptile
Generate tests for code#1 Cursor · then Qodo, GitHub Copilot
Private, on-prem AI code assistant#1 Tabnine (acquired by Tricentis) · then Sourcegraph, GitHub Copilot
AI terminal for developers#1 Warp · then Claude Code, OpenAI Codex
Monitor errors in production#1 Sentry · then PostHog, Datadog
Write developer documentation#1 Notion · then Mintlify, Confluence
Design and test APIs#1 Postman · then Cursor, Claude Code
Deploy web apps#1 Vercel · then Replit, Supabase
Build an app backend and database#1 Supabase · then Replit, Vercel
Build an app without coding#1 Lovable · then Replit, Bolt.new
Find security vulnerabilities in code#1 Snyk · then Qodo, CodeRabbit
Build LLM agents and apps#1 LangChain · then OpenRouter, Hugging Face
Monitor and evaluate LLM apps#1 LangChain · then Langfuse, Datadog
Access many AI models through one API#1 OpenRouter · then Hugging Face, LangChain
Run GPU workloads serverlessly#1 Modal · then Hugging Face, Replit
Give AI agents a web browser#1 Browserbase · then Playwright, Firecrawl
Scrape websites for AI#1 Firecrawl · then Tavily, Browserbase
Web search API for AI agents#1 Tavily · then You.com, Perplexity
End-to-end browser testing#1 Playwright · then BrowserStack, Cursor
Feature flags and experiments#1 LaunchDarkly · then PostHog, Statsig
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