An online repository of policies, tools, case studies and other resources supporting data governance, management and use throughout the federal government. It organizes resources into categories including data incubator, data management and governance, data standards, data tools, guidance, and publishing and harvesting help. A featured resource is the DCAT-US Schema v3.0 reference for documenting datasets, APIs and data services.
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ArcGIS Hub site for Bourgesplus data allows users to discover, analyze, and download datasets in formats including CSV, KML, Zip, GeoJSON, GeoTIFF, and PNG. It provides API links for GeoServices, WMS, and WFS, and supports creation of StoryMaps and Web Maps for data visualization.
Dataconomy is a news site covering technology and business topics. Its homepage lists recent articles on subjects including TikTok advertising, PS5 emulation, Character.AI staffing, DeepSeek API pricing, NVIDIA hardware, Tesla vehicles, Google Gmail features and Netflix layoffs. Other pages carry articles on the Opera Air browser and comparisons of crypto loan platforms.
Enjoy unlimited API calls with Serverless AI Workers/LLMs for just $25 per month. No rate or concurrency limits.
DataStream is an open access platform for sharing water and sediment quality data. It offers map-based search, interactive visualizations, standardized machine-readable datasets, dataset versioning, digital object identifiers, embargo periods and API access for integrating data with other websites and tools. A one-click charting tool allows comparison of results with national water quality guidelines.
DataVaults is a free file upload and sharing service that offers unlimited storage for registered user accounts. Users can upload files, generate direct share links, and earn money based on download volume. The platform provides secure, fast file management tools, with premium paid plans available for extra features. It also includes administrative tools for user management, anti-hack protection, and API access.
Dawarich is a self-hostable web application for storing and visualizing personal location history as a private alternative to Google Timeline. It imports Google Takeout data and works with apps such as OwnTracks and GPSLogger. The official iOS and Android apps record location on the device offline and upload points once back online. An API provides endpoints for location data, tracks, visits and statistics.
DeepAI is a creative AI platform offering tools for image generation, photo editing, video, music, voice chat and AI chat, plus APIs for developers. It began in late 2016 with a browser-based text-to-image generator. A free tier is available, and DeepAI Pro costs $9.99 per month.
DeepL Language Translator is a translation service that provides instant text and full document translation. It also offers real-time voice translation, writing enhancement tools, an API for building multilingual experiences, and integrations with productivity software. The service is used by over 200,000 businesses globally, alongside individual users.
This DeepSeek API documentation page lists models and per-token pricing. It describes the deepseek-flash and deepseek-v4-pro models, their features, context length, concurrency limits, and peak and off-peak token rates, and notes that the legacy names deepseek-v4-flash and deepseek-v4-flash-vision-exp are still accepted.
DBIS Explorer is a Blockscout-based explorer for Chain 138. Its documentation lists public guides, methodology notes and operational references, including a GRU guide, a transaction evidence matrix, official protocol contract addresses, read-only JSON API access and pages on bridge monitoring and route coverage.
DeFindex is yield infrastructure that lets wallets and fintech apps add stablecoin savings through an API. It is described as non-custodial and requiring no smart contract work. An SDK handles deposit transactions, and the project is built by PaltaLabs.
Deformity is an AI form builder for conversational online forms, surveys, lead generation, and payment flows. It supports AI-guided and static forms and offers integrations via Zapier and an API. The Pro plan starts at $29/month with monthly billing and 250 AI conversations.
A market intelligence site for AI compute that tracks live GPU cloud and LLM API pricing, performance benchmarks and market data across AI infrastructure providers. It publishes comparisons of GPU cloud pricing by provider and of LLM performance versus cost, including articles on Azure, AWS, Google Cloud, CoreWeave and Lambda GPU offerings.
depositar is a research data repository built on the open source CKAN package and customized for research data management. It is open to all researchers and free to register. Datasets can be searched by spatiotemporal ranges, data types and keywords, indexed by Google Dataset Search, and accessed through Web APIs and structured data endpoints.
Desenmascara is a website fraud-checking service. A user pastes a link or types a site name and receives risk signals and the evidence behind them, with no account required for free checks. It also offers paid plans and an API, and presents itself as a tool that can check a merchant before an AI agent pays.
dgVoodoo2 is a set of implementations of old graphics APIs for Windows 7 and later versions. The implementations are built on Direct3D 11/12 and can use different device types as wrapping output, including hardware rendering at several GPU feature levels and software rendering through the Microsoft WARP renderer. The implemented libraries include Glide 2.11, Glide 2.45, Glide 3.1 and Glide 3.1 Napalm, DirectX 1-7, Direct3D 8.1 and Direct3D 9.
DiagramGPT is an AI diagram generator created by Eraser that generates diagrams from text prompts. Five diagram types are available: flow charts, entity relationship diagrams, cloud architecture diagrams, sequence diagrams and BPMN diagrams. Generated diagrams can be edited in Eraser. An API is available only to Starter, Business and Enterprise Plan teams.
DigitalFeed hosts a browser-based ABX test that compares lossless and lossy music samples, modeled on a test by the streaming service Tidal. It asks whether users can tell the difference between lossless and lossy audio on their audio system. The test requires browser support for the Web Audio APIs, which Internet Explorer lacks.
Dimple is an open-source charting API for d3 aimed at business analytics, letting users create and combine bar, line, area and scatter charts. It exposes underlying d3 objects so analysts can build on them, and requires linking d3 before adding dimple to a page.
DisGeNET is a gene-disease association database that provides curated gene-disease and variant-disease association data for use in target identification, biomarker discovery and precision medicine. It offers a REST API, R package and Cytoscape app for accessing the data.
DNSai is a collection of DNS and email security tools on one page. It covers DNS record lookups, WHOIS, blacklist checks, SPF, DKIM and DMARC builders and validators, email header analysis and bulk domain scanning. The tools return plain-English AI summaries, and each is available through an API and MCP connectors.
DNSlytics is an online investigation tool for viewing information about IP addresses, domain names and providers. It offers DNS lookups, email testing, WHOIS lookups, and reports on AS/BGP, CIDR and TLD data. Premium website access and a premium API provide additional page views, monitors and data.
Docmost is an open-source, self-hosted collaborative wiki and documentation tool presented as an alternative to Notion and Confluence. It offers real-time collaborative editing, team spaces with permissions, comments, page history, public sharing, nested navigation and diagramming tools. An optional enterprise edition adds SSO, AI and API access. It can run in air-gapped environments with no external dependencies.