2,445 tools
Free planCoding & development
helloandy.net is the home of Andy, an autonomous AI agent that ships free developer tools and search APIs. The Tools directory lists chat, CLAUDE.md and SKILL.md utilities, writing helpers, regex and cron generators, and LLM testers with no signup.
Free planCoding & development
Herdr is an open-source agent runtime that keeps coding agents running in persistent terminals across machines and projects. It supports many agent CLIs, community plugins, and remote reconnection via install script on macOS, Linux, and Windows.
Free planCoding & development
Hermes IDE is a vendor-neutral desktop console for running multiple coding agents side by side with terminal-first workflows. Each task gets its own agent, terminal, and branch, with an inbox for approvals, turn-based review, and landing changes with undo across tools like Claude Code, Codex, Copilot, and custom commands.
Free planCoding & development
HeroUI is an open-source React and React Native component library built on React Aria and Tailwind CSS v4. Documentation includes theming, migration guides, CLI tooling, and machine-readable docs via llms.txt, a Docs Agent API, and MCP packages.
Free to startDesign, logos & websites
Hestus is an AI autocomplete extension for CAD sketching in Autodesk Fusion on Mac and Windows. It reads in-progress sketches and suggests construction geometry—centerlines, mirrors, and patterns—so engineers accept a suggestion with a keypress instead of many manual clicks.
Free planCoding & development
HeyTensor provides a free PyTorch tensor shape calculator for 14 layer types plus a paid Tensor Preflight downloadable toolkit. Preflight traces local forward passes, emits HTML shape reports, and packages regression checks for PyTorch 2.8+ projects.
Security & privacy
HiddenContent.ai detects text concealed in documents and returns findings and cleaned text through an API.
Free planCoding & development
It is free for designing and exploring charts, while publishing in production requires a commercial Highcharts license.
Free tier unknownCoding & development
Hilstart automates electronics bring-up, validation, and firmware development by pairing design context with hardware tests run on Tracer equipment. Teams approve specifications and test plans, then Hilstart’s agent executes tests on real boards and reports results back to trackers.
Coding & development
Hodman AI builds web applications from prompts and supports running them alongside AI teammates.
Free planCoding & development
Hoe is a RubyGem and Rake helper for managing, packaging, testing, and releasing Ruby projects with a plugin system. It automates manifest-driven deployments and ships plugins for docs, tests, and announcements.
Free planCoding & development
HolyClaude packages CloudCLI, browser automation, and multiple coding agents into reproducible Docker workstations for AMD64 and ARM64. Published full and slim images bundle Claude Code, Codex, Cursor Agent, Gemini CLI, and other CLIs with documented compose setup.
Free planCoding & development
Homebutler is a single Go binary for homelab operators that reports what changed on a server, maps exposed ports, catches crashes, and verifies backups. It exposes the same maintenance workflows through CLI, web UI, JSON output, or MCP without requiring SSH keys for every check.
Free planCoding & development
Hook0 is an EU-hosted webhook platform with HMAC signatures, delivery retries, monitoring, REST/SDK access, and an open-source SSPL server for self-hosting. Cloud plans bill in euros with event overages instead of hard cutoffs.
Free planCoding & development
Hoplite is a Y Combinator–backed platform for running swarms of cloud coding agents on GitHub repositories. It imports local MCP servers and CLI setup, runs agents in isolated sandboxes, and supports automations, PR auto-fix, Linear and Slack integrations, and verification workflows with recorded demos.
Free planCoding & development
Hoppscotch Community Edition is the open-source, self-hostable API development ecosystem for building, testing, and documenting REST, GraphQL, and realtime protocols. CE includes Docker deployment, an admin dashboard, workspaces, collections, and optional AI features on Cloud or Enterprise tiers.
No free planMarketing & SEO
Horseman is a cross-platform web crawling companion that runs customizable JavaScript snippets—and GPT-assisted prompts—across entire sites for SEO, performance, accessibility, and analytics insights. Version 0.3 adds GPT integration, an AI snippet helper, and an Insights feature for drilling into crawl results on Windows, macOS, and Linux.
Free planSecurity & privacy
HoundDog.ai provides developer-focused privacy and dataflow intelligence, including a free Privacy Code Scanner and a Dataflow Context Engine for AI coding agents. It maps sensitive data flows, shadow AI usage, and GDPR artifacts from source code, with enterprise offerings for continuous org-wide coverage.
Coding & development
Hoverfly packages small AI models for app features across mobile, desktop and web environments.
Free planCoding & development
htmgo is a Go framework for building interactive websites with htmx hypermedia attributes, compiling projects to a single deployable binary. It includes live reload, automatic route registration, Tailwind CSS support, and custom htmx extensions to reduce boilerplate.
No free planCoding & development
HTTPie is an API testing client for terminal, desktop, and web that emphasizes intuitive requests, collections, environments, and offline use. Its AI experience adds natural-language assistance for building and understanding API calls alongside the broader HTTPie desktop and web apps now in public beta.
Free tier unknownCoding & development
Hue helps teams build reliable AI agents by turning real user requests into repeatable tests run in production-like environments. It captures tasks from usage, simulates matching tools and MCP endpoints, reruns agents in stateful sandboxes, and scores performance across versions with OpenTelemetry-compatible tracing.
Free planAI models & APIs
Hugging Face Spaces hosts shareable AI demo apps and microsites built with Gradio or Streamlit, showcasing community models for image, video, text, audio, and agent tasks with optional paid hardware backends.
Free planCoding & development
Hugo is an open-source static site generator written in Go, widely used for blogs, documentation, and marketing sites. It emphasizes fast builds, flexible templating, asset pipelines, and a large theme ecosystem while remaining free to use.
Showing 1,344 of 2,445 tools
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