Best Open Data in 2026

Discover, compare, and integrate public APIs using real-time health monitoring, OpenAPI documentation, and live availability signals.

Key Public API features:

Free to Use Comprehensive Directory Simple and Clean Interface Open Source

Type one line. Get a finished short.

Key Castmint features:

Script Generation AI Voiceover Auto Captions AI Visuals

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Transparent Social Security COLA calculator and CPI-W tracker.

Key COLA Insight features:

benefit calculator CPI-W tracking status label No Registration Required

free

Data + visualization in one tool. Charts in 30 seconds.

Key Autario features:

Public datasets Multi-source charts Sharing AI agent access

free

Search and track every NYC Council bill, committee, and hearing in one place, with profiles of all 51 council members and a weekly plain-language digest of what moved an every NYC Council bill, committee, and hearing in one place.

Key Concrete Bills features:

Business Banking Focus Quick Account Setup Multi-Currency and International Payment Support Dedicated Business Debit Cards

free

Hopgrail is the public register of American beer.

Key HopGrail features:

Daily label register Can scanner Newly licensed breweries Grails and watches

Search the APIs and web services that national open data portals list, one country at a time: Korea, Japan, the US, France, Germany, the UK, Taiwan, Canada, Australia and Singapore. Lists are refreshed weekly.

Live status of free public APIs, updated every hour. Find reliable, no-credit-card APIs for weather, news, finance, geocoding, and cryptocurrency.

Key FreeAPI.watch features:

Free to Use Good for Learning and Prototyping Wide Range of Endpoints No Complex Setup Required

Lawfully strives to be the one-stop solution for all your US immigration needs. Use Lawfully to start tracking your USCIS & NVC cases. Lawfully provides status updates, decision date prediction, approval rates, RFE rates, and ranking of your case.

Key Lawfully features:

User-Friendly Interface Real-Time Updates Comprehensive Case Tracking Community Support

GovTrack.us enables users to track the bills and members of the United States Congress.

Key GovTrack.us features:

Comprehensive Data User-Friendly Interface Legislator Profiles Tracking Features

Open Source

Check if a website is a scam website or a legit website. ScamAdviser helps identify if a webshop is fraudulent or infected with malware, or conducts phishing, fraud, scam and spam activities. Use our free trust and site review checker.

An open source tool helping anyone to create simple, correct and embeddable charts in minutes.

Key DataWrapper features:

Ease of Use Quick Integration Wide Range of Chart Types Customization Options

Discover & share your favorite beers.

Key Untappd features:

Social Connectivity Personalized Recommendations Extensive Database Location-Based Features

Immigration case management software.

Key INSZoom features:

Comprehensive Case Management Compliance and Forms Automation Customizable Dashboards and Reports Client Portal