Best Free AI Developer Tools tools

Crespo is an AI developer tool that generates compact XML blueprints of codebases using Tree-sitter AST parsing to provide LLMs with structural context.

A self-hostable workspace where humans and AI agents collaborate in shared rooms over a Nostr relay.

A browser extension that uses AI to generate and verify reliable CSS and XPath selectors for web automation and testing.

Fully-local project memory for Claude Code that automatically captures session activity and provides a concise summary, entirely offline without API calls.

Respan is an LLM engineering platform that provides a unified gateway to route, trace, evaluate, and monitor AI agents and LLM calls.

Automate social media posting and integrate with your favorite tools using Buffer's GraphQL API.

A local, zero-dependency dashboard for Claude Code that provides live token usage, context monitoring, lost-session recovery, full-text search, and phone-based approval of tool calls.

Self-hosted AI traffic proxy and local operator console for teams to control LLM token usage, enforce user limits, cache responses, and monitor AI traffic.

Hosted MCP server builder that converts REST and GraphQL APIs into AI-accessible MCP endpoints with authentication and workflow tools.

Velane is an open source AI agent code runtime that connects to your IDE via MCP, enabling autonomous creation, testing, and deployment of workflows with 800+ integrations.

Crespo is an AI developer tool that generates compact XML blueprints of codebases using Tree-sitter AST parsing to provide LLMs with structural context.

A self-hostable workspace where humans and AI agents collaborate in shared rooms over a Nostr relay.

A browser extension that uses AI to generate and verify reliable CSS and XPath selectors for web automation and testing.

Fully-local project memory for Claude Code that automatically captures session activity and provides a concise summary, entirely offline without API calls.

Respan is an LLM engineering platform that provides a unified gateway to route, trace, evaluate, and monitor AI agents and LLM calls.

Automate social media posting and integrate with your favorite tools using Buffer's GraphQL API.

AI-powered platform to build, deploy, and monitor data pipelines with built-in governance and no vendor lock-in.

A local, zero-dependency dashboard for Claude Code that provides live token usage, context monitoring, lost-session recovery, full-text search, and phone-based approval of tool calls.

Self-hosted AI traffic proxy and local operator console for teams to control LLM token usage, enforce user limits, cache responses, and monitor AI traffic.

Hosted MCP server builder that converts REST and GraphQL APIs into AI-accessible MCP endpoints with authentication and workflow tools.

ArgusRed is an AI-powered pen testing tool that scans code, reproduces real exploits in a sandbox, and delivers verified fixes via pull requests.

Velane is an open source AI agent code runtime that connects to your IDE via MCP, enabling autonomous creation, testing, and deployment of workflows with 800+ integrations.

A high-performance MCP server that brings PostgreSQL into Claude Desktop and any MCP-compatible AI tool with 135 built-in tools.

Modeloop is an AI-powered block diagram editor that simplifies creating, editing, and sharing system diagrams and flowcharts.

PII GUI is a local-first desktop application for detecting and redacting personal information in documents using regex and on-device ONNX models.

A multi-agent AI runtime for Python developers with OS-inspired primitives like job scheduling, DAG orchestration, memory, and tool execution.

BlitzGraph is an AI-native backend that models reality in graphs, enabling agents to compose typed JSON queries without SQL or ORMs.

Claw Patrol is an open-source security firewall for AI agents that guards credentials, gates actions, and logs all traffic.

fata is a mobile-first learning platform that helps developers sharpen their skills to lead coding agents across the full stack.

ctx is a context-aware recommendation engine that dynamically selects the best skills, agents, and MCPs for your current coding task using a massive knowledge graph.

Claireon is an MCP server for Unreal Editor that enables AI assistants to automate game development tasks.

Free open-source desktop companion that runs a private AI backend on Mac/PC and connects MyLLM iOS app over trusted HTTPS via Tailscale.

Free, micro AI code reviews that run on git commit to prevent outages, breaches, and technical debt.

MCP server for SharkClean / SharkNinja robot vacuums that enables agentic control via any MCP client: start cleanings, clean rooms, dock, and check status in plain language.

Reality Kernel provides causal verification for AI agents by simulating actions across shadow worlds, preventing attacks undetectable by LLM judges.

A Go-native framework for building, orchestrating, and observing AI agents with native OpenTelemetry observability and a self-hosted dashboard.

AIsa provides a single API key for AI agents to access 1000+ LLMs, APIs, and skills with autonomous micropayments.

A security firewall that sits between AI agents and production, parsing wire traffic and gating actions with HCL rules.

Local-first, end-to-end-encrypted memory engine for AI agents that provides persistent, privacy-preserving memory across sessions, using Rust and MCP.

A service-boundary-aware coordination architecture for heterogeneous LLM code agents with versioned document store, pub-sub notifications, and diff-aware updates.

Conan is a native macOS app that provides a live HUD for Claude Code, surfacing prompts, tool calls, skills, and token usage in real time.

ZCode is an AI-powered coding IDE by Zhipu AI that integrates intelligent agents for planning, coding, code review, and deployment with deep reasoning capabilities.

A locally-installed developer tool that provides a senior-level AI engineering partner inside your terminal, with local-first privacy and optional cloud sync.

A local-first code-intelligence tool that turns any codebase into a queryable knowledge graph for AI coding agents.

A dual-arm robot platform for physical AI research and deployment, offering high reach, payload, and control rate for real-world manipulation tasks.

OLO Robotics is a browser-based robotics development platform with built-in AI-assisted coding, simulation, and ROS2 tools for faster robot building.

SeaTicket centralizes support issues from GitHub, forums, and emails into one workspace, using AI agents to autonomously resolve issues.

Spotlight by Backplanes reads your Claude Code and Codex sessions to give you session reports that help you get recursively better.

Agentcad is an open-source MCP server and CLI that enables AI coding agents to design, render, and export CAD output directly from their coding environment.

Kimi Work is a desktop AI agent that automates browser tasks, runs Python, orchestrates up to 300 parallel agents, and schedules workflows locally.

Drop the design system into any codebase and your coding agent instantly knows how to build consistent, polished interfaces.

Command Center is an agentic coding environment that helps teams ship AI-generated code to production 2x faster.

Firecrawl is an API that enables AI systems to search, scrape, and interact with the web at scale.

Wandesk is a free AI desktop workspace for macOS that lets you build custom apps, use built-in tools like notebook and ledger, and integrate AI models—all locally.

Powabase is an all-in-one development platform for AI apps with built-in Postgres, RAG, agents, and drag-and-drop workflows, optimized for AI coding agents.

Not Diamond is an intelligent model routing platform that optimizes cost and accuracy by automatically selecting the best LLM for each input, tailored for coding agents.

Pushary is a control panel for AI agents that lets you approve risky commands from your phone, set permission policies, and keep an audit trail.

Manage fleets of local and cloud agents from one surface. Plan, delegate, review, and ship without leaving your editor.

Orchids is an AI-powered app builder that lets you create web, mobile, games, CLI tools, and AI agents using natural language, leveraging your existing AI subscriptions.

Open source AI engineering platform for debugging, monitoring, and improving LLM applications and agents.

Crespo is an AI developer tool that generates compact XML blueprints of codebases using Tree-sitter AST parsing to provide LLMs with structural context.

A self-hostable workspace where humans and AI agents collaborate in shared rooms over a Nostr relay.

A browser extension that uses AI to generate and verify reliable CSS and XPath selectors for web automation and testing.