Free Developer Tools

Termic is a free, open-source (AGPL-3.0) desktop app that runs vendor AI CLIs (claude, codex, gemini, grok, antigravity, etc.) in real PTYs, organized into tasks and git worktrees for developer workflows, with sandboxing, project-aware tools, and built-in editor/diff views.

Lific is a self-hosted, single-binary issue tracker and planning tool designed for coding agents and human teams — it exposes a web UI, CLI, REST API and MCP tool surface so agents and developers can track plans, issues, comments, and audits on your own server.

A tiny, free service for instantly sharing a single HTML or Markdown file via unlisted links; supports CLI sharing and AI-agent integration so you can ask an agent to publish a page or run one command (sign in with GitHub).

Ephemerals provides disposable cloud development environments—one dedicated machine per branch—with a preinstalled coding agent (Claude Code), secure network isolation, preview URLs per port, and team-shared visibility for reviewing and testing changes.

Termique is a cross-platform, end-to-end encrypted SSH manager that syncs hosts, credentials, and SSH keys across macOS, Windows, Linux, and iOS, bundling terminal, SFTP, key management, and AI-assisted workflows in one native app.

KyttoMCP is a local Model Context Protocol (MCP) server manager for macOS and Windows that reads existing MCP JSON/TOML configurations, shows which servers are enabled across clients like Claude Desktop, Claude Code, Cursor, VS Code and Codex, and provides inspection, health checks, profiles, backups and safe configuration writes.

Darby is a minimal, fast, and themeable Hugo documentation theme that provides dark mode, client-side search, polished code blocks, callouts, and navigation components out of the box for technical docs sites.

Revdoku is a web platform that turns HTML, folders, prototypes and other files into live, shareable websites and mini-apps with built-in backend features (forms, notifications, analytics) and direct integration with AI tools for creating and updating sites.

Made with Lovable is a curated directory and community gallery showcasing apps and websites built with Lovable, letting makers submit projects, browse featured builds by category or use case, and discover real-world examples of what can be built with Lovable.

Vondy is an AI-powered platform that helps teams build, iterate, and ship websites, apps, dashboards, and internal tools by combining AI generators, built-in integrations, and deployment workflows.

PulpMiner turns any public webpage into a realtime JSON API using AI-powered extraction, enabling instant structured data access with zero maintenance and no-code setup.

Skrape converts websites into structured JSON or semantic Markdown via an API and crawling platform aimed at developers building AI agents, RAG pipelines, and data products. The service provides headless-browser rendering, intelligent crawling, real-time extraction, and type-safe schema validation.

Volamail is an open-source, self-hostable email platform that provides AI-assisted email template editing and transactional email delivery via simple HTTP API calls, with hosted plans and a free tier for small projects.

DocDriven is a visual API design tool that uses AI-assisted code generation and collaboration features to help frontend and backend teams design, mock, document, and publish APIs from a single workspace.

API Governance by PerfAI is an AI-driven platform that automates API reviews and enforces API best practices using an industry-curated API Governance Top-10™ list, aimed at delivering consistent public, web, and mobile APIs for development teams and enterprises.

SingleAPI is a GPT-4 powered web scraping and data-extraction API that converts any website into a structured API (JSON, CSV, XML, Excel) in seconds, with built-in data enrichment, proxy rotation, monitoring, and webhook delivery.

Discuro is an all-in-one platform for developers to build, test, and execute complex AI workflows via an easy-to-use UI and a single API call, with integrations for OpenAI models like GPT-3 and DALL·E-2.

EnergeticAI is an open-source, TensorFlow.js-based library optimized for Node.js and serverless environments that provides pre-trained models (embeddings, classifiers) with fast cold-starts, small module sizes, and business-friendly licensing.

WaterCrawl is a modern web crawling framework that extracts and structures website content for downstream use, including AI-ready data transformation, sitemap generation, JavaScript rendering, and API/SDK integration for teams and developers.

PoseTracker is a developer-focused pose estimation and motion-tracking product that provides real-time on-device MoveNet keypoints for iOS, Android, React Native and web, plus an optional API for reps, angles and form scoring.

Aspen is a free, native macOS API-testing app that runs locally with no login required and includes an integrated AI assistant to speed API integrations by generating data models, OpenAPI specs, and integration code.

Gemma4All Hardware Checker is part of Gemma4All, a collection of interactive tools and step-by-step guides to run Google's Gemma 4 models locally on Macs, GPUs, and PCs — offering a device compatibility checker, command generator, and model picker to help users pick and run the right Gemma 4 variant without cloud infrastructure.

DDS Hub is a developer-first API relay that provides low-latency, privacy-focused access to Anthropic Claude models and Codex GPT series, offering enterprise static IPs, streaming support, and local payment methods (Alipay/WeChat Pay).

Denvr AI Cloud is a Canadian-founded private AI platform offering sovereign cloud and on-prem AI infrastructure: GPU compute, managed inference, and NVMe data systems with developer tooling and APIs for teams requiring data residency and production-grade AI operations.