Popular Development Tools AI tools

17 category leaders in Development Tools, selected from the full directory.

Cursor

  • AI-native IDE; VS Code fork with full extensions.
  • Tab, Chat, and Agent for multi-file repo edits.
  • Acquired by SpaceX in August 2026; wholly owned subsidiary.
  • Category-defining editor; Grok plus multi-model routing.

Replit

  • Browser IDE and cloud runtime; code, run, and host in one place.
  • Replit Agent builds and deploys apps from natural-language prompts.
  • Multiplayer editing, templates, and one-click deploy with custom domains.
  • Millions of users; staple for education, hackathons, and indie apps.

GitHub Copilot

  • Microsoft/GitHub AI pair programmer in VS Code, JetBrains, Neovim, and CLI.
  • Inline completions, Copilot Chat, and agents for PRs and code review.
  • Copilot Workspace and Enterprise for org-wide policy and knowledge.
  • Tens of millions of developers; default coding assistant in industry.

Devin

  • Autonomous software engineer agent from Cognition.
  • Cloud agent plus Devin Desktop IDE (former Windsurf).
  • Plans, codes, debugs, and opens PRs for enterprises.
  • Flagship Cognition product; multi-billion valuation.

Cline

  • Open-source AI coding agent for VS Code.
  • Plans tasks, edits files, and runs terminal commands.
  • 4M+ installs; 56k+ GitHub stars; BYOK model support.
  • Used at Samsung, Salesforce, Microsoft, Amazon, and IBM.

Gemini Code Assist

  • Google AI coding assistant for VS Code and JetBrains.
  • Completions, chat, and agentic code review on Gemini.
  • Large free tier for individual developers.
  • Hyperscaler default beside Amazon Q and Copilot.

OpenCode

  • Open-source AI coding agent with 80,000+ GitHub stars
  • 1.5M+ developers use monthly, 600+ contributors
  • Privacy-first: no code or context storage
  • Works in terminal, IDE, or desktop app

Codex

  • OpenAI coding agent for repo-level tasks and PRs.
  • CLI, IDE, and cloud workflows on OpenAI models.
  • Generates, refactors, and debugs across multi-file changes.
  • Core coding product in the ChatGPT / OpenAI stack.

CodeRabbit

  • AI pull-request reviewer for GitHub and GitLab.
  • Line-level comments, summaries, and fix suggestions.
  • Learns team standards to cut review turnaround.
  • Widely adopted for continuous code review automation.

JetBrains

  • AI Assistant built into IntelliJ, PyCharm, and other IDEs.
  • Completion, chat, explain, and refactor in the editor.
  • Uses JetBrains and third-party models with project context.
  • Native AI path for teams already on JetBrains tools.

Claude Code

  • Anthropic agentic coding across terminal, IDE, and web.
  • Edits repos, runs commands, and uses MCP tools.
  • Pairs with CLAUDE.md and Claude developer plans.
  • Major counterpart to Codex and Cursor-style agents.

Warp

  • Agent-native terminal for building from the command line.
  • Warp Agent plus Claude Code, Codex, and Gemini CLI.
  • Inline review, notifications, and sessions in one UI.
  • Popular shell upgrade for teams using CLI coding agents.

Amazon Q Developer

  • AWS AI coding assistant in IDE, CLI, and console.
  • Successor to CodeWhisperer for cloud-native teams.
  • Deep AWS service context for generate and refactor.
  • Hyperscaler default for Amazon-centric engineering orgs.

Gemini CLI

  • Google open AI coding agent for the terminal.
  • Build, debug, and deploy with Gemini from the shell.
  • Pairs with Gemini Code Assist for full workflow coverage.
  • Fast-growing CLI alternative to IDE-only copilots.

GitLab Duo Agent Platform

  • Agentic AI across GitLab plan, code, review, and CI.
  • Specialized agents plus Orbit lifecycle context graph.
  • Policy, credits, and self-hosted model options.
  • Default AI layer for GitLab Premium and Ultimate.

Amp

  • Sourcegraph frontier coding agent for terminal and IDE.
  • Local or remote orb agents with multi-model routing.
  • Threads and codebase context for ambitious refactors.
  • Defining agentic coding stack from the Sourcegraph team.

Factory

  • Droid coding agents for terminal, desktop, IDE, and CI.
  • Missions orchestrate multi-agent work across large codebases.
  • Model-agnostic routing across Claude, GPT, Gemini, and open models.
  • $5B valuation after $200M round led by Blackstone, Sequoia, Khosla.