AI developer tools directory There's probably a tool (or seven) for that.

ADEs! Skills! Loops! Graphs! Software Factories!

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Latest tools

Freshly catalogued
Fold logo

Fold

Fold is an Effect-native, provider-agnostic, isomorphic agent core with an optional opinionated coding agent, CLI, and TUI. It supports multiple model providers (including openai/anthropic-compatible and subscription-backed providers for Codex, Grok, and OpenCode Zen), subagents, and RLM-like orchestration patterns.

Harnesses
AGNT logo

AGNT

The local-first operating system for building, running, and improving AI agents, workflows, and autonomous goals.

Orchestration
CocoIndex logo

CocoIndex

Open-source incremental data framework for AI agents. Keep codebases, docs, and knowledge continuously indexed — fresh context, zero re-processing. Python API.

Search & Retrieval

Latest models

All models →

Grok 4.6

xAI

xAI's frontier Grok model, tuned for long-running agents, coding, knowledge work, and visual projects.

$2 / $6 per 1M · $0.5 cached yesterday

LFM2.5-VL-3B

Liquid AI

LFM2.5-VL-3B is the multimodal variant of LFM2.5, pairing the LFM2.5-2.6B backbone with a SigLIP2 NaFlex 400M vision encoder. It answers directly rather than reasoning, and adds screen understanding, grounding and function calling for on-device use.

LFM Open License v1.0yesterday

Nemotron 3.5 Lightning

NVIDIA

A customizable open 30B MoE model with 3B active parameters, providing optimal high-volume execution for autonomous agents.

OpenMDW-1.12d ago

Latest articles

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CodeRabbit

Introducing Agentic Change Management

CodeRabbit raised $143 million at a $1.5 billion valuation and is introducing Agentic Change Management for software changes created by humans and agents.

Harjot GillCodeRabbit
coderabbit.ai
Zed

Introducing Delta

From the Zed Blog: A multiplayer environment for coding with agents, from the creators of Zed.

Nathan SoboZedDelta
zed.dev
xAI

Introducing Grok 4.6

Grok 4.6 builds on Grok 4.5 with a particular focus on long-running agents and more ambitious interactive and visual work.

x.ai

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353 tools
Smithers logo

Smithers

Multi-agent workflows with full observability and time travel. Watch every step live; rewind, fork, or replay any run. Any model, any harness.

Orchestration
Oh My OpenAgent logo

Oh My OpenAgent

Meet Sisyphus: The batteries-included agent that codes like you. Multi-model orchestration, Team Mode, background agents, 60+ lifecycle hooks.

Harnesses
Buzz logo

Buzz

A hive mind communication platform. Your people, your agents, your project — all in one place.

Collaboration
Compound Engineering logo

Compound Engineering

Official Compound Engineering plugin for Claude Code, Codex, Cursor, and more

Skills & Prompts
cmux logo

cmux

Free and open source macOS terminal for AI coding agents. Works with Claude Code, Codex, OpenCode, Gemini CLI, Kiro, Aider, and any CLI tool.

OrchestrationDesktop Applications
Omnigent logo

Omnigent

Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.

OrchestrationDesktop Applications
Multica logo

Multica

Manage your human + agent workforce in one place.

Orchestration
Hermes Agent logo

Hermes Agent

Hermes Agent — a standalone terminal app and a native application for macOS, Windows, and Linux. Install it and start a conversation with the agent that grows with you.

Harnesses
Prime Agent logo

Prime Agent

A self-improving RLM agent for coding workflows and long-running autonomous tasks.

Autonomous Agents
OpenAI Codex logo

OpenAI Codex

The best way to build with agents. Codex accelerates real engineering work, from planning and building features to refactors, reviews, and releases—working seamlessly across your tools.

Harnesses
Cline logo

Cline

Autonomous coding agent as an SDK, IDE extension, or CLI assistant.

Harnesses
Polar logo

Polar

Polar — A billing platform for the intelligence era

Billing
Phoenix logo

Phoenix

AI Observability & Evaluation

Evals
Unsloth logo

Unsloth

Local UI to run and train LLMs and diffusion models, including Kimi K3, MiniMax-H3, Gemma 4, Qwen3.6, DeepSeek-V4, FLUX and more.

Local InferenceFine Tuning
Jan logo

Jan

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

Local Inference
Orca logo

Orca

Orca is the Agent Development Environment (ADE) for shipping with coding agents. Run Claude Code, Codex, Gemini, Cursor CLI, and every other CLI agent in parallel across isolated worktrees. Get work done dramatically faster than any IDE. New features shipped every day. Free, open source, cross-platform.

IDEs & EditorsDesktop Applications
skilld logo

skilld

Generate AI agent skills from your NPM / create dependencies. npx skilld

Skills & Prompts
goose logo

goose

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

Harnesses
amux logo

amux

Run an AI engineering team from one dashboard. Open-source control plane for parallel Claude Code agents — launch, coordinate, monitor, and recover dozens of sessions.

Orchestration
World Model Optimizer logo

World Model Optimizer

Build continually improving models on your agent traces by distilling frontier open models

Post-Training
Kimi Code logo

Kimi Code

Try Kimi K2.7 Code in Kimi Code (KFC), the ultimate AI toolkit for developers. Featuring high-performance CLI tools and Turbo-speed models to automate code generation and boost development efficiency. Experience faster, more reliable AI-powered coding today

Harnesses
Stagehand logo

Stagehand

The SDK For Browser Agents

Browser & Computer Use
pgContext logo

pgContext

A full AI search engine, built into Postgres. Hybrid dense + full-text retrieval, filter-aware ANN, and exact, MVCC-visible re-scoring: a dedicated vector engine's feature set, as a PostgreSQL 17 extension.

Search & Retrieval
models.dev logo

models.dev

An open-source database of AI models.

Utilities