Directory

Apple's built-in notes app for Mac, iPhone, iPad and iCloud.com with folders, tags, attachments, handwriting, shared notes and on-device search

Apple's English-like scripting language that drives scriptable macOS applications through Apple events, run from Script Editor, osascript or other automation tools

Apple's long-standing drag-and-drop workflow builder for macOS that produces apps, Quick Actions, folder actions and calendar-triggered automations

Québec's broker-fed real estate listings portal operated by Centris, with for-sale and rental listings, price statistics and a broker directory

Apple's app and Swift framework for training image, text, sound, tabular and activity models on a Mac without writing training code, exporting directly to Core ML

Membership organization that registers DOIs for scholarly content and exposes the metadata through a free public REST API, content negotiation and the paid Metadata Plus service

Statistical office of the European Union publishing harmonised EU and member-state data through the Data Browser, bulk downloads and SDMX/JSON APIs

Apple's Swift framework giving apps access to the on-device Apple Intelligence language model with guided generation, tool calling and sessions, on OS 26 and later

Free scholarly search engine from Google that indexes articles, theses, books and court opinions with citation counts and author profiles

The IMF's statistical portal for World Economic Outlook, fiscal, balance-of-payments, reserves and price datasets with SDMX 2.1 and 3.0 APIs

REST, WebSocket and FIX interfaces to the Kraken cryptocurrency exchange for market data, spot and derivatives trading and account management

Free reference manager from Elsevier with a desktop and web app, PDF annotation, a Web Importer, groups and bundled cloud storage

Apple's low-level GPU programming framework for graphics and parallel compute on iOS, macOS and visionOS, the layer beneath MLX, Core ML and most Apple Silicon ML runtimes

Free API and web tool from Bloomberg for mapping tickers, ISINs, CUSIPs and other identifiers to public-domain FIGI instrument identifiers, with search and filter endpoints

Canada's national consumer portal for MLS listings, operated by CREA's REALTOR.ca Canada Inc., with licensed data syndication through the DDF

Free AI-assisted literature search from Ai2 with an Academic Graph API, recommendations and downloadable datasets of papers, authors and citations

Apple's built-in visual automation app for macOS, iOS and iPadOS that chains app actions, scripts and system functions into runnable shortcuts

Elsevier-owned preprint and working-paper platform with discipline networks, author pages, download rankings and institutional research paper series, free to post and read

Apple's declarative UI framework for building interfaces in Swift that run across iOS, iPadOS, macOS, watchOS, tvOS and visionOS

Apple's beta distribution service for sharing pre-release iOS, macOS, watchOS, tvOS and visionOS builds with internal and external testers through App Store Connect

The Internet Archive's public web archive for browsing historical snapshots of web pages, with Save Page Now, Availability, CDX and Memento APIs

Free access to World Bank development indicators by country and year through a web portal, bulk downloads and a public REST API