Any API is a developer tool, library, or framework for building, testing, or maintaining software.
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AnythingLLM is a free, private AI assistant that runs on the user's device, requiring no accounts or API keys. The page describes document knowledge and a meeting assistant, and states the app is available for macOS, Windows and Linux.
ngrok is developer infrastructure that routes and secures traffic to apps, APIs and AI models wherever they run, from localhost to production. It offers an AI Gateway, a gateway to services running anywhere, and localhost sharing. It provides a REST-style API at https://api.ngrok.com, plus client libraries, a CLI and a Terraform provider. A guide covers exposing a local MCP server with a stable public HTTPS URL secured by Traffic Policy.
AnyChart is a JavaScript charting library with an API and documentation. It offers a large number of chart types, and the site lists related products for stock charts, HTML5 maps and Gantt charts. Version 9.0.0 added chart types including arc diagram, dependency wheel, org chart, stream graph, waffle chart, lollipop and dumbbell. The library is described as working with any development stack.
Anyword is a generative AI content platform and performance API for go-to-market teams. It adds A/B-tested data and brand context to prompts and works with any AI model or application. The platform includes a data-driven editor, content intelligence, brand voice features, and integrations with marketing channels such as Google Ads, Meta, and LinkedIn.
DrivingSimulator is a 3D driving simulator developed by FrameSynthesis Inc. that operates on Google Maps. It allows users to drive vehicles for activities including safe driving, off-road travel, parking, circuit racing, and global exploration. Steering is controlled via left and right arrow keys, while up and down arrow keys manage forward and reverse movement; mobile devices use a virtual control stick. The project’s development is suspended due to Google Maps API usage costs, the page may cease functioning at any time, and no feature requests will be addressed.
Evaligo is a visual drag-and-drop AI workflow builder platform that includes built-in A/B testing capabilities. Users can construct workflows combining prompts, agents and tools, run them across multiple AI models, score outputs using blind AI judge panels, compare performance metrics including quality, cost and speed per output, train per-input model routers, and deploy any workflow as an API. A free plan with no credit card requirement is offered.
Fireload is a cloud storage service for storing files in one place and accessing them from anywhere. It offers sharing links with options such as passwords and expiration dates, plus an API in beta for uploading, managing and downloading files from other applications.
LocalAI is described as an open source AI engine that runs models, including LLMs, vision, voice, image and video, on any hardware without a GPU. It presents itself as a drop-in replacement for most upstream APIs and includes a built-in agent platform powered by LocalAGI, whose agents can reason, use tools and maintain memory. Image generation with Stable diffusion on CPU is also supported.
Miku.gg is an open source chatbot platform for running bots. Users can download the source code and run their own chatbots or use the live demo. It works with any OpenAI-like APIs and currently supports Aphrodite, TextGen WebUI and Tabby. Bots can show emotion through images and use TTS, with Azure TTS, NovelAI and ElevenLabs supported. A bot directory allows sharing, downloading or trying bots without local installation.
AGI, Inc. builds AGI-0, a small action model, and an agent that sees the screen and acts across any app on Android. It runs on the device, learns preferences over time, and works without APIs or integrations. The agent is described as private by design and works offline and on wearables. A platform is offered for building action agents.
Navidrome is open source software distributed free of charge under the GNU GPL v3 license. It serves a personal music collection through a modern web UI and third-party compatible mobile apps for iOS and Android, allowing access from anywhere. It supports multiple libraries with user-specific access controls and the OpenSubsonic API.
ntfy is a simple HTTP-based pub-sub notification service for sending notifications to a phone or desktop via scripts from any computer or a REST API. Messages are published with PUT or POST, and topics are created on the fly by subscribing or publishing. Notifications can carry priorities, action buttons, icons, tags, emojis and attachments, and the web app shows desktop notifications. The project is described as 100% free software.
OpenTopography is a platform providing high-resolution topography data and tools, including lidar point clouds, digital elevation models and hillshade imagery. It offers data discovery, programmatic access to raster DEM datasets through a STAC catalog, and a Point Elevation API returning elevation for any location from global and regional datasets.
Source Cooperative is a nonprofit data publishing utility built on commodity cloud object storage. Researchers can publish data at any scale without running servers, building portals, or writing APIs, and users access data through standard URLs that work with existing tools. The service is designed to resist lock-in through neutral hosting.
Sprite Fusion is an independent software company making tools for game development. Its tilemap editor is a free, web-based level design tool for crafting 2D tilemaps in the browser using any tileset, with auto-tiling, collisions and one-click exports to game engines. The company also offers a pixel art generator, a Pixel Snapper tool and an API.
A tool that finds all original posts for any Tumblr blog while ignoring reblogs. It allows filtering posts by note count or a certain tag and relies on the Tumblr API, which has minute and hour rate limits.