Free AI Tools for Developer tools

Terminal UI to manage AI coding-agent sessions (Claude Code, OpenCode, Codex, Grok Build) in tmux with live status, group tree, and diff review.

A voice-controlled IDE that enables developers to initiate AI coding sessions with Codex or Claude Code, approve commands, and review diffs from their phone.

Zero-config, single-binary software catalog with auto-discovery, dependency visualization, compliance scorecards, and native MCP integration for AI agents.

An AI-powered shopper assistant that provides a live cursor to guide website visitors, point out products, and display price calculations.

Self-hostable sandbox SDK for AI agents that provides isolated environments with key management and egress control on your own hardware.

Open-source desktop app to manage multiple project workspaces simultaneously, keeping terminals and AI coding agents running across projects with instant switching.

Segue lets you save and load context across AI assistants using short handles, eliminating re-explaining and copy-paste.

A language server that turns agent skill references like /skill-name and $skill-name into navigable symbols in VS Code, Zed, Neovim, and Helix.

A local dashboard that attaches to every Claude Code, Codex, Cursor, Antigravity, Kilo Code, and Kimi Code session on your machine for parallel coding workflows.

Authorization for AI agents that binds human approval to exact payloads before execution.

Terminal UI to manage AI coding-agent sessions (Claude Code, OpenCode, Codex, Grok Build) in tmux with live status, group tree, and diff review.

A voice-controlled IDE that enables developers to initiate AI coding sessions with Codex or Claude Code, approve commands, and review diffs from their phone.

Zero-config, single-binary software catalog with auto-discovery, dependency visualization, compliance scorecards, and native MCP integration for AI agents.

An AI-powered shopper assistant that provides a live cursor to guide website visitors, point out products, and display price calculations.

Self-hostable sandbox SDK for AI agents that provides isolated environments with key management and egress control on your own hardware.

Open-source desktop app to manage multiple project workspaces simultaneously, keeping terminals and AI coding agents running across projects with instant switching.

Segue lets you save and load context across AI assistants using short handles, eliminating re-explaining and copy-paste.

A language server that turns agent skill references like /skill-name and $skill-name into navigable symbols in VS Code, Zed, Neovim, and Helix.

A local dashboard that attaches to every Claude Code, Codex, Cursor, Antigravity, Kilo Code, and Kimi Code session on your machine for parallel coding workflows.

Authorization for AI agents that binds human approval to exact payloads before execution.

Hubo is an AI code review tool that uses two sparring agents to reconcile every finding before presenting results to the developer.

Browser infrastructure platform for AI agents to run on the internet at speed with cloud browser sessions, agents, and serverless functions.

Automated codebase documentation and public help centers that stay in sync with every pull request.

A local-first terminal coding agent that orchestrates specialized sub-agents for wide coding tasks, supporting parallel workflows, model routing, and web search.

amdb turns your codebase into AI context entirely on your machine with a single-binary MCP server for AST parsing, call graphs, and local embeddings.

Cross-node session migration and backup tool for Claude Code sessions, enabling seamless context transfer between machines with S3-compatible storage backup.

Open-source credential gateway and secret vault that lets AI agents access APIs without exposing keys.

Identify proven demand, weak competitors, and missing integrations across major app ecosystems using real marketplace data.

An agent-first file transfer tool that enables secure, encrypted file sharing between AI agents via MCP calls without human involvement.

Self-hosted MCP knowledge server that makes any AI fluent in your company data with read-only queries and evolving context.

CartAI provides an API and MCP server to deploy AI agents that autonomously navigate web properties and complete transactions like checkout, subscriptions, and invoice payments.

szr is a Go-native CLI proxy that reduces noisy terminal output before it reaches an LLM context, saving tokens and preserving command exit codes.

Millwright is an open-source, self-hosted LLM router that routes AI requests to the lowest-cost model providers based on policy, preserving prompt caches and controlling spend.

CodeAlmanac is a living wiki for your codebase, maintained by AI coding agents, capturing decisions, flows, invariants, and gotchas in plain markdown.

A macOS menu bar app that tracks your Claude Code sessions locally, showing prompts, lines, cost, tokens, and active time.

Ditto is an open-source deterministic website cloner that converts any site into clean, componentized Next.js or Vite code.

A deadline-aware LLM router that reduces AI inference costs by automatically finding cheaper service tiers within a user-specified time window.

Open-source tool running specialized AI agents to review code, sync docs, perform deep QA testing, and distill repository knowledge on a schedule.

Open-source CLI, debug agents, and browser tools for building and maintaining reliable web integrations.

Open-source context engineering layer for AI agents that reduces token usage by ~80% and improves accuracy by selectively providing relevant tools and skills.

Kit for AI provides persistent memory and document conversion for AI agents via MCP and REST, enabling agents to remember, search, and cite knowledge from any file or URL.

SonOf is an agentic engineering service that ships production code into your existing product—connect your repo, get a free audit, approve tickets, and pay only when code ships.

IQVigilant is an AI-native dynamic engine for building enterprise-grade applications with deterministic AI agents, natural language querying, and no-code page building.

Infrastructure for AI agents to connect, communicate, and earn — with outbound-only, real-time streaming, and built-in billing.

Agentcard provides agent-friendly card issuing and payment infrastructure for AI agents, enabling 5-minute setup and autonomous purchases.

UnitPay is a billing infrastructure for AI-native companies that meters usage, enables flexible pricing, and tracks margins.

Jacquard is a small programming language designed for running, reviewing, and trusting programs written by machine-learning models and reviewed by people.

Disposable, network-restricted Linux VMs for AI coding agents — give each agent its own machine instead of yours.

Juggler is an open-source AI coding agent with a visual workbench that gives you inspectable tool calls, branching threads, and editable context for hands-on control over LLM actions on your codebase.

A GitHub repository focusing on AI training AI techniques, currently unavailable.

A visualization tool that replays coding-agent sessions on a 3D map of your codebase.

PlugThis is an AI-powered Chrome extension builder that generates complete Manifest V3 extensions from plain English descriptions.

AI-powered social listening tool that monitors Reddit, X, LinkedIn, and 10+ other platforms, filters mentions with AI, and delivers them to your stack via API, Slack, or webhooks.

Aura is an open-source intelligence layer for AI coding agents that unifies multiple agents, provides AST-level diffs, and verifies changes against goals.

A unified API platform for LLM inference with cost optimization, routing, observability, and automatic failover.

Open-source framework for building AI agents with flexible capabilities, tool integration, and community-driven development.

Unified AI API gateway providing access to top-tier LLMs, image, video, and coding models at affordable prices.

Selvedge captures the reasoning behind AI agent code changes, storing why a change was made alongside the code for future reference.

Abralo is a native desktop app for running multiple Claude Code agents simultaneously with a clean interface, token monitoring, and walk-away control.

Frugon is a free, open-source LLM cost analyzer that identifies where your LLM bill leaks by analyzing your call logs locally.