Best AI Developer Tools Tools (2026)

Box

AI Agents

Persistent Linux VMs with SSH, Docker inside, and IPv4 per machine. One command: `box new`. $20 = 555 hours of 4 vCPU / 8 GB. Bring any agent: Claude Code, Codex, OpenCode. Cheaper than E2B, Codespaces, or Daytona.

Tensormesh

AI Agents

Tensormesh helps AI teams cut inference costs by caching and reusing repeated context. Run faster, lower-cost workloads with serverless and on-demand deployment.

cmux

Developer Tools

Native macOS terminal built on Ghostty. Works with Claude Code, Codex, OpenCode, Gemini CLI, Kiro, Aider, and any CLI tool. Vertical tabs, notification rings, split panes, and a socket API.

AgentMemory

AI Agents

#1 Persistent memory for AI coding agents based on real-world benchmarks - rohitg00/agentmemory

Mesa

AI Agents

Connect agents to the files they need, run parallel agent swarms on instant branches, and track every change through one API with sub-50ms reads and writes.

Superconductor

AI Agents

Superconductor — Manage all of your coding agents without friction

Impeccable

Design

1 skill, 23 commands, and curated anti-patterns for impeccable frontend design. Works with Cursor, Claude Code, Gemini CLI, and Codex CLI.

oMLX

AI Coding

A native macOS inference server built on MLX. Paged SSD KV caching drops agent TTFT from 30-90s to under 5s. OpenAI & Anthropic compatible API for Apple Silicon.

SkillKit

AI Coding

Write once, deploy to 46 AI coding agents. Skills for Claude Code, Cursor, Codex, Windsurf, GitHub Copilot, and more.

Entire

AI Coding

We are going beyond repositories, building a developer platform where agents and humans can collaborate, interact, and grow. The birth of a new galaxy in this universe draws near.

Netlify

Website Building

Create with AI or code, deploy instantly on production infrastructure. One platform to build and ship.

Remocn

Video

Production-ready Remotion animations, transitions and backgrounds. Install with shadcn CLI

Tolaria

Productivity

Organize your notes as Markdown files. With native relationships, Git, and Claude Code integration. Free forever.

Merge

AI Agents

Merge is the leading provider of customer-facing integrations and agent tools for frontier LLMs, Fortune 500 organizations, and B2B SaaS companies

Perceptron

AI Agents

A layer of intelligence for the physical world. We are a research company building the future of Physical AGI.

Oumi

AI Agents

The right model beats the biggest model. Build and deploy custom AI models from a prompt in hours — with 50% higher accuracy, 10× lower cost, and 10× lower latency than general-purpose LLMs.

Bug0

AI Agents

Bug0 is your AI QA Engineer. Agentic testing with a dedicated QA engineer (forward-deployed engineer) delivers managed browser testing for web apps with CI/CD checks and human verified end to end tests.

OpenComputer

AI Agents

OpenComputer provides persistent VMs that hibernate when idle and wake in seconds. Real computers for AI agents, not sandboxes. Deploy and run LLM agents on durable infrastructure.

Glass

AI Coding

The first GPU-accelerated macOS IDE designed for the AI era. Bring your own subscriptions and code with Claude 3.7 natively.

Mozilla.ai

AI Agents

Mozilla.ai is building AI that is trustworthy, transparent, and controllable. Explore the Agent Platform to automate workflows, open-source libraries like any-agent, any-llm, any-guardrail, and mcpd, community-driven Blueprints, and Lumigator. Join us on GitHub to shape the future of responsible AI.

AlphaClaw

AI Agents

The ultimate setup harness for OpenClaw. Deploy in minutes. Stay running for months. No CLI required. - chrysb/alphaclaw

Convex

Developer Tools

Convex is the backend platform that keeps your app in sync. Everything you need to build your full-stack project.

Kimi AI

AI Agents

Try Kimi K2.5, the strongest open-source model for visual coding. Explore agent swarm preview for massive tasks. Simplify complex Office work with precision.

The Agent Skills Directory

AI Agents

Discover and install skills for AI agents.

Freebuff

AI Agents

The free coding agent. No subscription. No configuration. Start in seconds.

AI Inbx

Email

Purpose-built email infrastructure for AI agents. Send and receive emails with smart contextual threading, webhook support, and seamless API integration. Free during beta.

ForgeCode

Developer Tools

ForgeCode is a terminal-native AI coding agent. Write, refactor, and debug code with multi-model AI support — right inside your ZSH shell. Free to start.

Kernel

Automation

Browser infrastructure for AI agents and web automations. Anti-bot detection, reusable sessions, fast spin-up, and autoscaling browsers.

Airweave

AI Agents

Airweave is an open-source context retrieval layer that lets AI retrieve relevant context from apps and databases by acting as a shared information retrieval layer between AI systems and data sources.

Paper

Design

Paper is a modern and powerful design tool that helps you create, share, and ship your best work.

RobotActions

Developer Tools

Cloud device farm platform for real Android and iOS testing. First device farm with MCP AI agent support. Selenium, Appium, Playwright on real devices. Fully managed, secure, and scalable.

Taalas

Developer Tools

We are creating a platform that makes it easy to turn any deep learning model into custom silicon quickly.

Envariant

Developer Tools

Envariant — AI interpretability SDK for foundation model builders.

Plano

AI Agents

Build agents faster and deliver them reliably to production. Plano is an AI-native proxy and data plane for agent orchestration, LLM routing, guardrails, and observability.

Jinba

Automation

Jinba empowers you to instantly deploy your custom workflows as robust, scalable API endpoints. Build workflows through chat, edit manifests, and connect with MCP tools.

Unifold

Finance

The best crypto deposit infrastructure for prediction markets, exchanges, and fintech platforms. Cross-chain payment SDK supporting Ethereum, Solana, Bitcoin. Trusted by top platforms.

Canary

Developer Tools

Canary reads your PRs, understands your codebase, and runs feature and regression tests against your preview app. Catch broken auth flows, slow page loads, and failing checkouts before production.

SuperDocs

AI Coding

Generate beautiful, comprehensive documentation for your codebase in minutes using AI.

Stack Auth

Developer Tools

Stack Auth is the open-source Auth0 alternative. We are your login and signup page, and everything that comes with that.

Piris Labs

Developer Tools

Piris Labs builds a unified optical networking fabric for AI datacenters based on proprietary technology.

21st.dev

Developer Tools

Explore, copy, and remix thousands of high-quality React components published to the 21st.dev Community by designers and developers.

Maven

Finance

Maven is a payments API for voice AI agents. Handle PCI-compliant card payments during live voice calls with Stripe, Braintree, Adyen, and more. Simple integration, real-time webhooks.

Sonarly

Automation

Start trusting your production alerts.

Warestack

Project Management

Warestack is a delivery intelligence and governance platform that unifies development signals across GitHub, CI/CD, and project tools. Get actionable insights into delivery performance, risk, and bottlenecks without changing developer workflows.

CogniMemo

AI Agents

CogniMemo is a universal, AI-powered memory infrastructure that helps AI systems remember context, learn from past interactions, and improve over time. Built to work across any model, product, or stack, with user-controlled, permission-based memory.

Chamber

Developer Tools

Maximize GPU utilization and reduce AI infrastructure costs. Chamber provides real-time visibility, intelligent scheduling, and automatic fault detection for ML teams. Backed by Y Combinator W26.

SRE.ai

Automation

SRE.ai is the most advanced natural language DevOps platform, powering automation and software delivery for fast-moving organizations at scale, freeing up teams to build what's next.

Mendral

AI Agents

Mendral is a team of AI agents that diagnose CI failures, catch issues before they ship, and fix them automatically.

Railway

Developer Tools

Railway is a full-stack cloud for deploying web apps, servers, databases, and more with automatic scaling, monitoring, and security.

PamirAI Inc.

AI Coding

Democratizing AI by Delivering Personal Intelligence on affordable hardware

Pieces

Computer Use Agents

Pieces is your AI companion that captures live context from browsers to IDEs and collaboration tools, manages snippets and supports multiple llms - all while processing data locally for maximum control.

Blaxel

AI Agents

Blaxel is the perpetual sandbox platform that keeps infinite secure sandboxes on automatic standby with co-hosted agents for near instant latency. Achieve 25ms resume times, eliminate cold starts, and only pay for what you use. Perfect for tech startups building AI agents that code.

Ferix

AI Agents

Discover and share skills, subagents, and rules for AI agents like Claude, Cursor, and more.

inbound

Email

Complete email infrastructure for modern applications. Send transactional emails, receive inbound messages, and build AI email agents with our TypeScript SDK and webhook API.

CodeSandbox

Developer Tools

CodeSandbox is a cloud development platform that empowers developers to code, collaborate and ship projects of any size from any device in record time.

Trigger.dev

Developer Tools

Trigger.dev is the open source platform for building AI workflows in TypeScript. Long-running tasks with retries, queues, observability, and elastic scaling.

TheStage AI

Developer Tools

An automated inference acceleration stack featuring a world-leading inference engine that supports all NVIDIA GPUs and edge devices.

Tiger Data

Data

Creators of TimescaleDB. Postgres Data Infrastructure Built for Developers, Devices, and Agents. Scale PostgreSQL effortlessly with replica sets, tiered storage, and high availability. Never pay for idle capacity. Trusted by Cloudflare, Linktree, and Polymarket.

Reflex

Website Building

The open-source framework to build and deploy web apps using Python.

Decart

Video

Dedicated to democratizing consumer AI through innovative, cost-effective solutions. Founded in 2023 and backed by Sequoia Capital and Zeev Ventures, Decart has developed a revolutionary platform that enhances GPU efficiency for AI model training, making advanced AI tools accessible to a broader audience. Decart is disrupting the gaming and entertainment industries by allowing users to create immersive experiences from simple text prompts.

Promptmetheus

Developer Tools

Compose, test, and optimize prompts for your LLM-powered applications, agents, and workflows. Supports 100+ models, prompt versioning, automatic evaluations, and more.

Bytez

Language Models

Keep up with AI. Discover, demo, and deploy open source models

Decode

Developer Tools

An infinite canvas to draw and code on

Ragie

RAG & Memory

Ragie is a fully managed RAG-as-a-Service platform. Launch RAG pipelines for LLMs—agents, retrieval with citations, real-time indexing. Free developer tier.

Bluejay

Developer Tools

Bluejay is the QA platform for AI agents. Rigorously test your voice agents—before and after deployment. Simulate edge cases, catch regressions, ensure security, and benchmark performance. Stop vibe testing. Quality is engineered.

Jam

Developer Tools

Report bugs in seconds, and get back to what you were doing. It's as easy as taking a screenshot. Fast for you, and perfect for the engineers.

Thesys

Developer Tools

Frontend infrastructure for AI products. Build dynamic, real-time UIs with C1 Generative UI API.

Pencil

Design

Pencil fundamentally increases your engineering speed by bringing designing directly into your preferred IDE.

Entelligence AI

Developer Tools

Unifying code quality and security, team management and velocity —bridging code execution with leadership clarity.

Autosana

Automation

Create natural language E2E tests for mobile apps in seconds. No code required. Self-healing tests that adapt to UI changes. Supports iOS and Android apps built with any framework.

Ai2

Data

Ai2, founded by Paul Allen and led by Ali Farhadi, conducts high-impact research and engineering to tackle key problems in artificial intelligence.

Remotion

Video

Remotion allows you to create real MP4 videos programmatically using React. You can parameterize content, render server-side, and build applications easily.

ForeverVM

AI Coding

The sessionless code interpreter

Helicone

Developer Tools

The open-source platform for logging, monitoring, and debugging.

Pipedream

Automation

Pipedream is the fastest way to build powerful applications that connect all the services in your stack, with code-level control when you need it and no code when you don't.

Golf

AI Agents

APIs were built for humans. Agents need more - structured intent, secure access, and native interoperability. MCP is the new standard. Speak the protocol, or get left behind.

Klavis AI

Developer Tools

Klavis AI Open Source MCP Integrations for AI Applications. Our API provides hosted, secure MCP servers, eliminating auth management and client code.

The Robot Learning Company

Automation

Everything you need to build intelligent robots.

Factory

AI Coding

Transform your software development with AI. The Factory platform accelerates understanding, coding, reviewing, testing, and documenting software with artificial intelligence.

Boxo Super App Platform

Developer Tools

Turn your app into a Super App with Boxo Super App Platform. Connect to Boxo SDK once and gain access to multiple customisable white-label services like marketplace, esim, & travel booking.

Shinkai

AI Agents

Use it for managing personalized AI models, agents, and files – locally! For more powerful models, upgrade to the SaaS or use the Shinkai decentralized network.

Sieve: AI Video APIs

Video

High-quality APIs to understand, edit, and search video.

Fern

Developer Tools

Start with OpenAPI. Generate SDKs in multiple languages and interactive API documentation.

Salad

Developer Tools

Save up to 90% on cloud costs compared to hyperscalers. Deploy AI/ML production models easily on the world's largest distributed cloud. Perfect for AI inference, batch processing, molecular dynamics & more.

WorkflowAI

Developer Tools

WorkflowAI is an open-source platform where product and engineering teams collaborate to build and iterate on AI features.

Warp

AI Coding

Warp is the intelligent terminal with AI and your dev team's knowledge built-in. Available on MacOS, Windows and Linux.

imbue

AI Coding

We make reliable software creation accessible to everyone, so every person has the power to shape their computational future.

Hydra

Data

Serverless Realtime Analytics on Postgres

Latitude

AI Coding

Latitude is an end-to-end platform for prompt engineering where domain experts can collaborate with engineers to ship and maintain production-grade LLM features.

SciPhi

Document Management

Start your AI application with document ingestion, user management, advanced RAG, and more.

Comet

Developer Tools

Comet provides an end-to-end model evaluation platform for AI developers, with best-in-class LLM evaluations, experiment tracking, and production monitoring.

Mastra.ai

AI Agents

Prototype and productionize AI features with a modern JS/TS stack

GitHub Gist

Developer Tools

GitHub Gist: instantly share code, notes, and snippets.

SupaAuth

Developer Tools

Get started with authentication in minutes

LandingAI

Developer Tools

LandingAI's visual AI software simplifies prototyping, deploying, and scaling computer vision. It turns images and videos into actionable intelligence effortlessly.

Lucidic.AI

Developer Tools

Lucidic AI is a software company that offers tools for explaining and interpreting complex AI models, providing insights into model behavior and transparency in outputs.

TrueFoundry

Developer Tools

Train and deploy ML models and LLMs on top of Kubernetes at the speed of Big Tech with 100% reliability and scalability. Slash production costs by 30-40% and release models to production faster. Training jobs, inference services, GPUs and more on your own infra.

DocuWriter.ai

AI Coding

Automated AI-powered tools to generate Code & Api documentation from your source code files.

Theneo

Document Management

Create stunning, low-maintenance API docs with Theneo. Designed for developers, PMs, and technical writers. Join 12,000+ companies to automate changelogs and boost API adoption by 3x. Start free today!

DevZero

Developer Tools

Enhance developer experience and streamline coding with Cloud Development Environment. Standardized collaborative production-symmetric workspaces.

Axolotl AI

Developer Tools

Axolotl is an Open Source tool to make fine-tuning AI models friendly, fast and fun - without sacrificing functionality or scale.

SambaNova Systems

Language Models

Unlock the power of AI for your business with SambaNova's enterprise-grade generative AI platform. Discover how to achieve 10x lower costs & unmatched security.

Recall.ai

Audio

Recall.ai provides an API to get recordings, transcripts and metadata from video conferencing platforms like Zoom, Google Meet Microsoft Teams, and more.

Zoo

Design

Zoo creates infrastructure for hardware design. We're laying the foundation for a modern hardware design toolkit, so that you can create new design tools never before possible.

LangChain

RAG & Memory

LangChain’s suite of products supports developers along each step of their development journey.

Vellum AI

Developer Tools

Quickly take AI products from early-stage ideas to production-grade features with tooling for experimentation, evaluation, deployment, monitoring, and collaboration.

Modal

Developer Tools

Bring your own code, and run CPU, GPU, and data-intensive compute at scale. The serverless platform for AI and data teams.

DSPy

Developer Tools

The framework for programming—rather than prompting—language models.

LiveKit

Video

Learn how to get started with LiveKit.

AgentOps

AI Agents

Every Agent Needs AgentOps.

Langfuse

Developer Tools

Open source LLM engineering platform - LLM observability, metrics, evaluations, prompt management.

Composio

AI Agents

Composio: Seamlessly integrate AI Agents & LLMs with 250+ tools. Build, connect, and deploy integrations for CRMs, HRMs, ticketing, productivity, and accounting systems with SOC Type II compliance. Experience powerful system tools and managed auth for secure data management. Trusted by engineers worldwide.

Ollama

Language Models

Get up and running with large language models.

Fireworks AI

Language Models

Use state-of-the-art, open-source LLMs and image models at blazing fast speed, or fine-tune and deploy your own at no additional cost with Fireworks AI!

Weaviate

RAG & Memory

Bring AI-native applications to life with less hallucination, data leakage, and vendor lock-in

Milvus

RAG & Memory

Open-source vector database built for GenAI applications. Install with pip, perform high-speed searches, and scale to tens of billions of vectors.

Qdrant

RAG & Memory

Qdrant is an Open-Source Vector Database and Vector Search Engine written in Rust. It provides fast and scalable vector similarity search service with convenient API.

Chroma

RAG & Memory

Chroma is the open-source AI application database. Batteries included.

Sourcegraph

AI Coding

Sourcegraph's code intelligence platform makes it easy for devs to write, fix, and maintain code with Cody, the AI coding assistant, and Code Search.

Logo.dev

Design

Discover the simplicity of sourcing logos and brand assets with Logo.dev's logo API. The most extensive and up-to-date resource for brands.

GitHub

Developer Tools

GitHub is where people build software. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects.

PromptHub

Developer Tools

Test, deploy, and manage your prompts with PromptHub, a prompt management tool for teams. The easiest way to build with prompts.

TensorFlow

Developer Tools

An end-to-end open source machine learning platform for everyone. Discover TensorFlow's flexible ecosystem of tools, libraries and community resources.

Featured

Pinecone

RAG & Memory

Search through billions of items for similar matches to any object, in milliseconds. It’s the next generation of search, an API call away.

Zed

AI Coding

Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Featured

Supabase

Developer Tools

Build production-grade applications with a Postgres database, Authentication, instant APIs, Realtime, Functions, Storage and Vector embeddings. Start for free.

Featured

Jina AI

Data

Best-in-class embeddings, rerankers, LLM-reader, web scraper, classifiers. The best search AI for multilingual and multimodal data.

Globify

Developer Tools

Localize your entire app in minutes with the help of GPT-4.

Cerebras

Developer Tools

Cerebras is the go-to platform for fast and effortless AI training and inference.

Featured

OpenRouter

Language Models

LLM router and marketplace

Featured

Phidata

AI Agents

An open-source platform to build, ship and monitor agentic systems.

Featured

fal.ai

Developer Tools

fal.ai is the fastest way to run diffusion models with ready-to-use AI inference, training APIs, and UI Playgrounds

Featured

AssemblyAI

Audio

With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.

Featured

Groq

Developer Tools

Groq is a high-performance AI inference platform that provides exceptional compute speed, quality, and energy efficiency for AI applications. It offers cloud and on-prem solutions tailored for developers.

Featured

Together AI

Language Models

Run and fine-tune generative AI models with easy-to-use APIs and highly scalable infrastructure. Train & deploy models at scale on our AI Acceleration Cloud and scalable GPU clusters. Optimize performance and cost.

Featured

Replicate

Developer Tools

Run open-source machine learning models with a cloud API

Featured

Roboflow

Developer Tools

Everything you need to build and deploy computer vision models, from automated annotation tools to high-performance deployment solutions.

Featured

RapidAPI

Developer Tools

Discover Rapid's API Marketplace for easy API monetization and better API management. Learn about API testing tools and monetize your APIs effortlessly.

Featured

LlamaIndex

RAG & Memory

LlamaIndex is a simple, flexible data framework for connecting custom data sources to large language models (LLMs).

Featured

Langflow

Vibe Coding

LangFlow is a GUI for LangChain, designed with react-flow to provide an effortless way to experiment and prototype flows with drag-and-drop components and a chat box.

Featured

Neon

Data

The database you love, on a serverless platform designed to help you build reliable and scalable applications faster. Ship faster with Postgres