Category10free & open source
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Coding & Development

AI coding tools and IDE integrations — real-time completions, autonomous code editing, PR review, refactoring suggestions, and agentic app building without leaving your editor.

13Tools
Most Popular In
IDE AI AssistantsAgentic Code EditorsCode Completion
Notable Developers
Anysphere (Cursor)GitHub (Copilot)Codeium (Windsurf)ReplitStackBlitz (Bolt.new)
Updated Jun 12, 2026
Curated by FreeAPIHub editors
Topics:IDE AI AssistantsAgentic Code EditorsCode CompletionAI PR ReviewBrowser-Based App BuildersRefactoring Tools
13 of 13
⭐Top Resources
Cline logo

Cline

Tool · Cline
Open Source

Cline is an open-source autonomous coding agent for VS Code. It reads your codebase, edits files, runs terminal commands and uses the browser, with every step shown for approval — and you bring your own model key.

Millions of installs usersNot rated yetView
Cursor AI logo

Cursor AI

Tool · Anysphere
Freemium

Cursor is an AI-first code editor built on VS Code. It understands your whole codebase, edits across files with an agent, answers questions in chat, and predicts your next edit - a fast AI coding environment.

Millions usersNot rated yetView
Codeium Windsurf logo

Codeium Windsurf

Tool · Windsurf
Freemium

Codeium (now Windsurf) is an AI coding assistant and agentic editor. Get fast autocomplete and chat free across many editors, or use the Windsurf IDE where an AI agent edits across your whole codebase.

Millions usersNot rated yetView
LangChain logo

LangChain

Tool · LangChain
Open Source

LangChain is an open-source framework for building LLM applications. It standardises prompts, models, tools, memory and retrieval so developers can compose chains and agents that work across providers.

Millions of devs usersNot rated yetView
LlamaIndex logo

LlamaIndex

Tool · LlamaIndex
Open Source

LlamaIndex is an open-source data framework for building LLM apps over your own data. It handles ingestion, indexing, retrieval and querying so you can build RAG pipelines and agents in Python or TypeScript.

Millions of devs usersNot rated yetView
Tabnine logo

Tabnine

Tool · Tabnine
Freemium

Tabnine is an AI code assistant focused on privacy and control. It offers autocomplete and chat across many IDEs, can run on private or self-hosted models, and trains only on permissively licensed code.

Millions usersNot rated yetView
Replit Agent logo

Replit Agent

🔥 Hot
by Replit

Replit Agent builds and deploys working apps from a plain-English description, inside Replit's browser IDE. It sets up the project, writes code, installs packages and ships to a live URL — no local setup.

FreemiumView tool
Bolt.new logo

Bolt.new

🔥 Hot
by StackBlitz

Bolt.new is an in-browser AI app builder from StackBlitz. Describe an app and it scaffolds, runs and lets you edit a full-stack project in a live dev environment, then deploy — all without local setup.

FreemiumView tool
Lovable logo

Lovable

🔥 Hot
by Lovable

Lovable is an AI app builder that turns a prompt into a full-stack web app. Describe what you want and it generates the React front end and backend, with built-in editing, GitHub sync and one-click deploy.

FreemiumView tool
v0 by Vercel logo

v0 by Vercel

🔥 Hot
by Vercel

v0 by Vercel is an AI tool that turns a text prompt into React, Next.js and Tailwind UI you can copy, refine through chat, and deploy. It generates production-style components, not throwaway mockups.

FreemiumView tool
Replicate logo

Replicate

🔥 Hot
by Replicate

Replicate lets you run thousands of open-source AI models with a single API call — image, video, audio, language and more — with no infrastructure to manage. You can also fine-tune and deploy your own, billed per second.

FreemiumView tool
Hugging Face logo

Hugging Face

🔥 Hot
by Hugging Face

Hugging Face is the central hub of open-source AI: over a million models and datasets, the Transformers library, hosted Spaces demos, and a serverless Inference API to run models with a single HTTP call.

FreemiumView tool
GitHub Copilot logo

GitHub Copilot

🔥 Hot
by GitHub

GitHub Copilot is the AI pair programmer from GitHub and OpenAI. It autocompletes code, chats about your codebase, and now runs agentic tasks across editors and GitHub - the tool that popularised AI coding.

FreemiumView tool
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About this category

Coding & Development — developer guide

What Are AI Coding and Development Tools?

AI coding tools have moved from autocomplete helpers to autonomous engineering partners in under three years. Today's leading tools don't just suggest the next line of code — they understand your entire project's file structure, implement multi-file features from a plain-English description, review and fix failing tests, and refactor modules while preserving behaviour. For developers spending 4–6 hours daily writing code, these tools routinely deliver a 30–50% productivity lift, measured in tasks completed per week.

What These Tools Help You Do

  • Accept intelligent, context-aware completions for the current function as you type
  • Describe a feature in plain English and watch the tool plan, create, and link files
  • Ask for an explanation of unfamiliar code, architecture decisions, or error messages
  • Generate comprehensive unit tests for a module in one command
  • Get inline review comments on a diff before opening a pull request
  • Build full-stack apps from prompts in browser-based editors like Bolt.new and Replit

Top AI Coding Tools in 2026

Cursor is the most popular AI-native editor — a VS Code fork with deep model integration, Composer for multi-file editing, and agent mode that autonomously executes multi-step tasks. GitHub Copilot remains the best-integrated IDE extension across JetBrains, VS Code, and Neovim. Windsurf (Codeium) offers a comparable agentic editor with a generous free tier. Bolt.new and Replit Agent serve the browser-based, full-stack generation use case. All major tools now support Claude, GPT-4o, and Gemini as switchable backends.