40tools I've tested, reviewed, and used to build AI-powered applications. Each one includes video walkthroughs showing real usage.
Some links below are affiliate links. If you buy through them, I earn a small commission at no extra cost to you.
Showing all 40 tools
Open-source AI pair programming in your terminal. Works with any LLM - Claude, GPT, Gemini, local models. Git-aware editing with automatic commits.
StackBlitz's in-browser AI app builder. Full-stack apps from a prompt - runs Node.js, installs packages, and deploys. No local setup needed.
OpenAI's flagship. GPT-4o for general use, o3 for reasoning, Codex for coding. 300M+ weekly users. Tasks, agents, web browsing, DALL-E, code interpreter.
Anthropic's AI. Opus 4.6 for hard problems, Sonnet 4.6 for speed, Haiku 4.5 for cost. 200K context window. Best coding model I've tested. Max plan ($200/mo).
Anthropic's Python SDK for building production agent systems. Tool use, guardrails, agent handoffs, and orchestration. Released alongside Claude 4.
Anthropic's agentic coding CLI. Runs in your terminal, edits files autonomously, spawns sub-agents, and maintains memory across sessions. Powered by Claude Opus 4.
Drop-in auth for React/Next.js. Pre-built sign-in UI, session management, user profiles, org management. This site uses Clerk for authentication.
CDN, DNS, DDoS protection, and edge computing. Free tier handles most needs. This site uses Cloudflare for DNS and analytics. Workers for edge compute.
Gives AI agents access to 250+ external tools (GitHub, Slack, Gmail, databases) with managed OAuth. Handles the auth and API complexity so your agent doesn't have to.
Open-source AI code assistant for VS Code and JetBrains. Bring your own model - local or API. Tab autocomplete, chat, inline edit. Fully customizable.
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.
Multi-agent orchestration framework. Define agents with roles, goals, and tools, then assign them tasks in a crew. Python-based. Great for complex workflows.
AI-native code editor forked from VS Code. Composer mode rewrites multiple files at once. Tab autocomplete predicts your next edit. Pro plan is $20/mo.
Open-source reasoning models from China. DeepSeek-R1 rivals o1 on math and code benchmarks. V3 for general use. Fully open weights. Extremely cost-effective API.
Cognition Labs' autonomous software engineer. Handles full tasks end-to-end - reads docs, writes code, runs tests, and submits PRs in an isolated sandbox.
Google's frontier model family. Gemini 2.5 Pro has 1M token context and top-tier coding benchmarks. Gemini 3 Pro pushes reasoning further. Free tier via AI Studio.
Google's open-source coding CLI. Free tier with Gemini 2.5 Pro. Supports tool use, file editing, shell commands. 1M token context window.
The original AI coding assistant. 77M+ developers. Inline completions in VS Code and JetBrains. Copilot Workspace generates full projects from issues. $10/mo.
OpenAI's latest flagship model. Major leap in reasoning, coding, and instruction following over GPT-4o. Powers ChatGPT Plus/Pro and the API. Available via API and ChatGPT.
xAI's model with real-time X/Twitter data access. Grok 3 rivals top models on reasoning. Built-in web search and current events awareness. Available via API.
Most popular LLM framework. 100K+ GitHub stars. Chains, RAG, vector stores, tool use. LangGraph adds stateful multi-agent workflows with cycles and persistence.
Issue tracking built for speed. Keyboard-first, sub-100ms UI. Cycles, roadmaps, GitHub integration. I use it to track all DevDigest engineering work.
Meta's open-source model family. Llama 4 available in Scout (17B active) and Maverick (17B active, 128 experts). Free to use, modify, and deploy commercially.
LLM data framework for connecting custom data sources to language models. Best-in-class RAG, data connectors, and query engines. Python and TypeScript.
AI app builder - describe what you want, get a deployed full-stack app with React, Supabase, and auth. No coding required. Free tier available.
TypeScript-first AI agent framework. Workflows, RAG, tool use, evals, and integrations. Built for production Node.js apps. Open-source.
European open-weight models. Mistral Large for complex tasks, Mistral Small for speed, Codestral for code. Strong multilingual support. Open and API options.
Local-first markdown knowledge base with wikilinks. My entire DevDigest pipeline lives here - research, scripts, content calendar, daily journal.
Lightweight Python framework for multi-agent systems. Agent handoffs, tool use, guardrails, tracing. Successor to the experimental Swarm project.
OpenAI's cloud coding agent. Runs in a sandboxed container, reads your repo, executes tasks, and submits PRs. Uses GPT-5.3 (codex model). Available in ChatGPT.
Unified API for 200+ models. One API key, one billing dashboard. OpenAI, Anthropic, Google, Meta, Mistral, and more. Automatic fallbacks and load balancing.
Full-stack AI dev environment in the browser. Describe an app, get a deployed project with database, auth, and hosting. No local setup needed.
AI coding assistant with deep codebase context. Indexes your entire repo graph for accurate answers. VS Code and JetBrains extensions. Free tier available.
Open-source Firebase alternative built on Postgres. Auth, real-time subscriptions, storage, edge functions, and pgvector for AI embeddings. Generous free tier.
Vercel's generative UI tool. Describe a component, get production-ready React code with shadcn/ui and Tailwind. Iterate by chatting. Free to try.
Deployment platform behind Next.js. Git push to deploy. Edge functions, image optimization, analytics. Free tier is generous. This site runs on Vercel.
The TypeScript toolkit for building AI apps. Unified API across OpenAI, Anthropic, Google. Streaming, tool calling, structured output, multi-step agents. 50K+ GitHub stars.
Codeium's AI-native IDE. Cascade agent mode handles multi-file edits autonomously. Free tier with generous limits. Strong alternative to Cursor.
AI voice dictation for macOS. Works in any app - code editors, browsers, notes. Understands context and formats output appropriately. Faster than typing for prose.
High-performance code editor built in Rust with native AI integration. Sub-millisecond input latency. Built-in assistant supports Claude, GPT, and local models.
I make videos showing how to actually use these tools to build real projects.
More directories and tools across the Developers Digest network.
210+ AI models compared by intelligence, speed, cost, and latency. Recommendations engine included.
50+ command-line tools for developers. Search, compare, and find the right CLI for any task.
35 free browser-based tools. JSON formatter, regex tester, diff viewer, and more.
Side-by-side comparisons of AI coding tools, frameworks, and infrastructure. 22 comparisons available.

New tutorials, open-source projects, and deep dives on coding agents - delivered weekly.