Public APIs is a crowdsourced, categorized collection of public APIs for developers, covering topics such as animals, books, cryptocurrencies, development, music and weather. The site states it lists over 1400 public APIs.
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Public APIs is a GitHub repository or organization with source code, releases, documentation, or project resources.
APIsList is a curated, hand-checked directory of public APIs. Listings expose category, authentication type, and pricing, and the site says it shows auth type, pricing, and status so broken APIs can be ruled out.
Chromium Drift is a dashboard that tracks which Chromium version each major desktop Chromium-based browser is currently shipping. Some browser versions are fetched live from public APIs on each page load, while others are detected daily via CI by extracting version info from their binaries. It also notes that older Chromium versions may lack patches and newer web APIs.
HTTPie is an open-source API testing client for the terminal, also offered as a graphical app for web and desktop in public beta. It is described as making APIs simple and intuitive, and is used for API testing with HTTP servers, RESTful APIs, and web services.
JShelter is a browser extension that controls browser APIs to limit what JavaScript on visited pages can see and gather. It is described as anti-malware software intended to mitigate threats including fingerprinting, tracking and data collection, and it offers protection levels that can restrict or forbid APIs on a site. It is available under the GNU General Public License.
Python tool for scraping public posts and profiles from social networks without using official platform APIs.
AgentField is an open source tool designed to build, run, and scale AI agents structured similarly to APIs and microservices. It supports building production agents using prompts, and its code is hosted in a public GitHub repository.
Platform for live audio streams of public safety, aircraft, rail and marine radio, with free listening to live feeds. It also offers calling, node connection for agencies, and premium services including live audio archives and calls archives. Developer APIs are available for calls data and the audio feed catalog.
Data.Vic is a portal for discovering and accessing Victorian government open data. It lets users browse data by themes such as planning, transport, Vicmap spatial data, education, environment and community, and offers news and updates on datasets and APIs.
Edmonton Open Data is the City of Edmonton's open data portal. It maintains a wide range of data, APIs, interactive charts and maps used by city departments, residents, the general public, government and non-government agencies and online GIS user communities.
The HIFLD Open Portal is an ArcGIS Hub platform that allows users to discover, analyze, and download datasets in formats including CSV, KML, Zip, GeoJSON, GeoTIFF and PNG. It also provides access to geospatial service APIs, enables analysis with charts and thematic maps, and supports creation of StoryMaps and Web Maps.
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.
Open Data DC is a District of Columbia government site that shares hundreds of datasets. Users can browse the data, download it as a file, analyze it with their own tools, or build apps using the site's APIs.
Resemble AI provides multimodal deepfake detection and watermarking for enterprise. It powers real-time detection of synthetic audio, video, and images, offers APIs, intelligence insights, and identity registration. It includes tools like meetings protection, agent detection, a Chrome extension, and integrates with Microsoft Teams. The company develops research models such as DETECT-World and PerTh Multimodal. It serves industries including telecom, finance, media, health, and public sector.
RestGPT is an open-source autonomous agent built on large language models, designed to control real-world applications via RESTful APIs. The project is hosted on GitHub for public access and collaborative development.
data.gov.sg is Singapore's open data platform, intended to make data discoverable, understandable and usable. It provides free access to interactive charts and maps for national datasets and offers APIs for development. The portal is described as holding 4,500+ datasets from 70+ government agencies, with options to explore and embed live charts and tables and to subscribe to 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.
ZPan is a lightweight file hosting platform built on top of S3-compatible storage. Files upload directly from the client to S3 through presigned URLs, bypassing server bandwidth, while the server handles auth, metadata, shares, quotas, teams, WebDAV and admin operations. It can be deployed on Cloudflare Workers or Docker and provides a web UI, public sharing and image-hosting APIs.