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Anthropic's agentic coding CLI. Runs in your terminal, edits files autonomously, spawns sub-agents, and maintains memory across sessions. Defaults to Claude Opus 5.5 on paid plans as of October 2026.

AI-native code editor forked from VS Code, now sold as part of The X Subscription. Agent edits multiple files at once and Tab autocomplete predicts your next edit. Plus is $8/mo (Cursor's own Grok and Composer models only); Premium at $30/mo adds third-party models at API list price.

OpenAI's coding agent for terminal, cloud, IDE, GitHub, Slack, and Linear workflows. Reads repos, edits files, runs commands, and returns reviewable diffs.

Google's open-source (Apache 2.0) terminal agent for Gemini models. Paid Gemini API, Vertex AI, and Code Assist Standard or Enterprise users keep access; unpaid tier and Google One users moved to Antigravity CLI on June 18, 2026.

GitHub's AI coding assistant. Inline completions, chat, and agent mode in VS Code and JetBrains, plus a coding agent that turns issues into pull requests. Free tier, Pro from $10/mo.

Open-source AI code assistant for VS Code and JetBrains. Bring your own model - local or API. Tab autocomplete, chat, inline edit. Fully customizable.

AI coding assistant with deep codebase context. Indexes your entire repo graph for accurate answers. VS Code and JetBrains extensions. Enterprise plan from $16K per year.

The TypeScript toolkit for building AI apps. Unified API across OpenAI, Anthropic, Google. Streaming, tool calling, structured output, multi-step agents. 27K+ GitHub stars.

Frontend stack for agent-native apps. React hooks, prebuilt copilot UI, AG-UI runtime, frontend tools, shared state, and human-in-the-loop flows.

Anthropic's SDK for building agents on the same tools, agent loop, and context management that power Claude Code. Python and TypeScript. Subagents, hooks, MCP, and permissions.

Most popular LLM framework. 100K+ GitHub stars. Chains, RAG, vector stores, tool use. LangGraph adds stateful multi-agent workflows with cycles and persistence.

Gives AI agents access to 1,000+ toolkits (GitHub, Slack, Gmail, databases) with managed OAuth. Handles the auth and API complexity so your agent doesn't have to.

Multi-agent orchestration framework. Define agents with roles, goals, and tools, then assign them tasks in a crew. Python-based. Great for complex workflows.

Deployment platform behind Next.js. Git push to deploy. Edge functions, image optimization, analytics. Free tier is generous.

Self-hosted PaaS for deploying apps, databases, and services. Git-based deploys, Docker support, preview environments, and a clean UI.

Reactive backend - database, server functions, real-time sync, cron jobs, file storage. All TypeScript. This site's backend (courses, videos, user data) runs on Convex.

CDN, DNS, DDoS protection, and edge computing. Free tier handles most needs. This site uses Cloudflare for DNS and analytics. Workers for edge compute.

Drop-in auth for React/Next.js. Pre-built sign-in UI, session management, user profiles, org management. This site uses Clerk for authentication.

Anthropic's model family. As of October 2026: Opus 5.5 as the default, Fable 5.1 for the hardest long-horizon work, Sonnet 5.5 for speed, Haiku 5.5 for cost. 1M context. Max from $100/mo.

OpenAI's chat app. As of October 2026 Free and Go run GPT-6 Luna; Plus ($20/mo) adds GPT-6.1 Sol and GPT-6 Astra. Agent mode, Codex, image generation, code interpreter.

Anthropic's smallest Claude 4.5 model, released October 2025 and succeeded by Haiku 5.5 in October 2026. Sonnet 4-level coding at one-third the cost. $1/$5 per million tokens.

Alibaba's open-weight coding model, released in 2025. 480B total parameters, 35B active (MoE). Native 256K context, extends to 1M. Apache 2.0 license. Built for agentic coding.

AI coding platform built for large, complex codebases. Context Engine indexes 500K+ files across repos with 100ms retrieval. Intent desktop app orchestrates parallel agents.

OpenAI's open-source (Apache-2.0) terminal coding agent, built in Rust. Included with ChatGPT Plus from $20/mo or usable with an API key. Defaults to GPT-6.1 Sol.

Open-source terminal coding agent from Moonshot AI. Launched on Kimi K2.5 and now runs Kimi K3 with up to 1M tokens of context. Agent Swarm runs up to 100 parallel sub-agents.

Open-source autonomous coding agent inside VS Code. Creates files, runs commands, and can use a browser for UI testing and debugging with your permission.

Multi-agent orchestration framework built on the OpenAI Agents SDK. Define agent roles, typed tools, and directional communication flows. Production-focused, open-source.

Type-safe Python agent framework from the Pydantic team. Brings the FastAPI feeling to AI development. Composable tools, durable execution, and full IDE autocomplete.

Structured data extraction from any LLM using Pydantic models. Automatic retries, validation, and streaming. 3M+ monthly downloads. Available in Python, TypeScript, Go, Ruby, and Rust.

Open-source AI orchestration framework by deepset. Modular pipelines for RAG, agents, semantic search, and multimodal apps. Pipeline-as-graph architecture with explicit control.

Visual testing tool for Model Context Protocol servers. Like Postman for MCP - call tools, browse resources, and view real-time logs in a browser UI. Zero install via npx.

Go command-line tool (installed as mcp via Homebrew, or mcptools via go install) for listing and calling the tools, resources, and prompts of any MCP server over stdio or HTTP, with an interactive shell, a web UI, and mock, proxy, and guard modes.

Centralized manager for MCP servers. Connect once to localhost:37373 and access all your servers through a single endpoint. REST API, web UI, and VS Code config compatible.

Run 50,000+ ML models with a simple API. No infrastructure management. Pay-per-second billing. Deploy custom models with Cog. Popular for image generation and audio.

Wafer-scale AI inference at 3,000+ tokens/sec. The WSE-3 chip has 4 trillion transistors and 900K AI cores. 20x faster than GPU providers. OpenAI partnership for inference.

Open-source OpenAI API replacement. Runs LLMs, vision, voice, image, and video models on any hardware, no GPU required. 60+ backends. Distributed mode for scaling.

Keyboard-first Mac launcher with built-in AI. 1,500+ extensions, clipboard history, window management, snippets. Replaced 4 apps in my workflow. Free launcher; AI starts with Pro at $10/mo.

AI-powered terminal assistant from AWS. Natural language chat, command autocompletion, code generation. Agentic mode reads files, runs commands, and calls AWS APIs. Free tier.

AI-powered context manager that remembers your code, snippets, links, and project context across IDEs, browsers, and terminals. Local-first with 9 months of memory. No free plan; Pro is $18.99/user/mo.

C++ inference engine for LLMs. GGUF format, quantization, CPU and Metal/CUDA support. The foundation most local tools build on.

MCP server directory updated daily, listing 21,680+ servers with estimated weekly visitors, release dates, and popularity sorting by week, month, or all time.

Pythonic framework for building MCP servers and clients. Decorators for tools, resources, and prompts. FastMCP 1.0 shipped inside MCP Python SDK v1; the standalone project, now at PrefectHQ/fastmcp, is on v4.

Bridge that exposes stdio MCP servers over HTTP/SSE, or vice versa. Run a local server remotely, or connect to a remote server as if it were local.

Interactive TUI dashboard that shows exactly where your Claude Code and Cursor tokens are going, in real time.

Anthropic's Opus model released April 2026, since succeeded by Opus 4.8 and Opus 5.5. Strong at coding, long-context analysis, and agentic work. 1M context, $5/$25 per million tokens.

Database platform for MySQL on Vitess, PlanetScale Postgres, and Neki (sharded Postgres), with branching, non-blocking schema changes, and horizontal sharding. There is no free or hobby tier; PlanetScale Postgres single node starts at $5/month.

Amazon's core compute service. Hundreds of instance types, every region, deep integration with the rest of AWS. The default enterprise compute layer.

The most widely used data validation library for Python, and the de facto standard. Type-hint-driven models, fast Rust-based core (v2), and the foundation of FastAPI, LangChain, and most Python AI tooling.

Utility-first CSS framework. Compose styles with class names, scan templates with the JIT engine, and ship tiny CSS bundles. v4 rewrote the engine in Rust.

Locally-scoped CSS for component-based apps. Plain CSS files with hashed class names, no runtime overhead, no learning curve.

Copy-paste React component collection built on Base UI (the default), Radix, or React Aria primitives and Tailwind. You own the source, customize freely, no library to upgrade.

Anthropic's first generally available Mythos-class model, released June 9, 2026. 1M context, 128K max output, $10/$50 per million tokens. Built for long-horizon agentic work.

Anthropic's Opus model released May 28, 2026, and its recommended default until Opus 5.5 shipped in September 2026. 1M context, 128K output, $5/$25 per million tokens.

Open-source AI coding agent for terminal, desktop, and IDE. Works with 75+ LLM providers including Claude, GPT, Gemini, and local models. Runs parallel sessions on one project.

Mac app for running parallel Claude Code, Codex, and Cursor agents in isolated workspaces. Watch every agent work at once, then review and merge their changes.

A hosted infinite canvas your headless AI agents drive over MCP. Any MCP-speaking agent - Claude Code, Codex, Cursor, or a script - creates HTML docs, images, and video on a live canvas, streamed in as it builds.