A curated directory of free AI tools for developers. It organizes LLM APIs, AI coding IDEs, CLI tools, local models, RAG stack tools and agent frameworks, with featured tools and recommended tool stacks for development scenarios.
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FreeTube is an open-source desktop YouTube client focused on privacy for Windows, Mac and Linux. It stores subscriptions, playlists and history locally, does not track viewing habits, and shows no ads. It scrapes data locally or optionally uses the Invidious API, and subscriptions can be imported from YouTube.
FullHunt is an internet intelligence infrastructure service that supplies internet asset, service, vulnerability and exploit data through REST APIs, data feeds and an MCP server. It also offers an enterprise platform for external exposure monitoring and a multi-tenant workspace for MSSPs. Pricing is listed for API, Enterprise and OEM access.
GameServe.rs is a server browser for modded Call of Duty clients, including Plutonium, IW4x, AlterWare, Aurora, HorizonMW, CoD4x and S2x, covering titles from Call of Duty (2003) to Call of Duty: WWII. It also offers a free public JSON API for server lists and player counts.
Gemini and Temporal Durable Agent is a Google AI for Developers resource providing guidance on building durable AI agents using the Gemini API and Temporal. It includes documentation covering architecture, prerequisites, setup, implementation steps, system instructions, tool definitions, agent workflow configuration and retry handling.
The TInnGO Open Data Repository is a global repository for gender-related data collections in the transport sector, including mobility, safety and security, surveys and research outcomes. Data comes from ten national hubs of the TInnGO project, and other contributors may upload anonymized or pseudonymized datasets after registration. Published data is openly accessible, and public collections are available through an API.
The Gene Ontology project is a bioinformatics initiative developing a computational representation of knowledge about how genes encode biological functions. Its knowledgebase provides human-readable and machine-readable information on gene functions, intended as a foundation for computational analysis of molecular biology and genetics experiments. The resource also offers ontology browsing, annotation downloads, GO-CAM models, and tools with API access.
Host inference APIs, bulk inference and fine tune text, vision, audio and multi-modal models.
Geonode's free proxy list presents HTTP, HTTPS and SOCKS5 IPs from more than 100 countries, with uptime, speed and anonymity details. The list is checked every minute, and entries can be filtered by country, proxy type, anonymity level and speed, then downloaded as TXT, CSV or JSON or accessed through a free API.
Georgia GIO Data Hub is a public data portal for discovering, analyzing and downloading data. Files are available in CSV, KML, Zip, GeoJSON, GeoTIFF or PNG, and the site provides API links for GeoServices, WMS and WFS. Users can analyze data with charts and thematic maps and create StoryMaps and Web Maps.
GetDeploying compares cloud providers, covering GPU rentals, VPS, object storage, data egress and LLM APIs across 117 providers in 136 countries. It presents compute, storage and egress pricing side by side, including GPU price trends. Prices are shown in USD, converted at daily reference rates, and a month is counted as 720 hours.
Dnote is a command-line notebook that stores notes in a SQLite file and provides full-text search. It ships as a single binary without dependencies, works with the user's own text editor, and is free and open source. An optional self-hosted server with a REST API enables syncing notes across devices.
Glances is a cross-platform, curses-based system monitoring tool written in Python. It reports on CPU, memory, load, process list, network interfaces, disk I/O, sensors, filesystems and containers, and includes a web interface, an XML-RPC server and a RESTful JSON API. It can export statistics to formats and services including CSV, InfluxDB and ElasticSearch.
The Global Health Observatory data repository is the World Health Organization's gateway to health-related statistics for its 194 Member States, providing access to over 1000 health topic indicators through indicators, countries, a data API and a map gallery. COVID-19 data is not currently provided by the GHO APIs.
Globalping is a platform for running network commands such as ping, traceroute and DNS resolve on probes distributed worldwide. It is used to monitor, debug and benchmark internet infrastructure. It offers a REST API, CLI and integrations.
Go Speed, also called Gopeed, is a free, open-source download manager built with Golang and Flutter, available for Windows, macOS, Linux, Android, iOS, and web. It supports HTTP, HTTPS, BitTorrent, magnet, and ed2k download protocols, uses a multi-threaded engine for fast downloads, and offers a JavaScript extension system and RESTful API for automation and extended functionality. Extensions enable downloading YouTube videos, HuggingFace AI models, and files from cloud storage services.
Google tool for building, testing, and experimenting with Gemini prompts, models, and API workflows.
Google tool for building, testing, and experimenting with Gemini prompts, models, and API workflows.
GovInfo is a platform operated by the U.S. Government Publishing Office for accessing U.S. government information. It allows users to browse documents by alphabetical order, category, date, committee, or author, and includes collections such as the Congressional Record Daily Digest, Federal Register, and annual reports. The platform also offers developer resources including APIs and bulk data repositories.
Generate & monitor API keys, track usage, and manage Extract/Crawl end-points – all in one place.
Graphlit is a context layer for AI agents. It provides real-time synchronization across services including Slack, GitHub, and Jira, operates via a single API with no operations overhead, and includes built-in semantic search.
Grapper is an alternative to the official Vine archive that uses the Vine archive's APIs. It offers searching for Vine creators, direct video input, random vines, and viewing people's bios and other information. Profile and video metadata are cached on retrieval, but thumbnails and video files are not.
The Gravitational Wave Open Science Center provides access to data from gravitational-wave observatories, along with tutorials and software tools. Its read-only API offers programmatic access to observation runs, event catalogs, single event detections, parameter estimations, data quality and injection segments, and strain datasets and statistics, mostly in JSON format with a Python client recommended for Python projects.
Hammerspoon is a tool for automation of macOS, acting as a bridge between the operating system and a Lua scripting engine. Extensions expose system functionality, letting Lua code interact with APIs for applications, windows, mouse pointers, filesystem objects, audio devices, batteries, screens, keyboard and mouse events, clipboards, location services and wifi. Out of the box it does nothing; users create a Lua script in ~/.hammerspoon/init.lua.