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Archive of European Integration

aei.pitt.edu

The Archive of European Integration (AEI) is a free-to-everyone electronic repository hosted by the University of Pittsburgh’s University Library System as part of its D-Scribe Digital Publishing Program. It archives research materials and official documents related to post-World War II European integration, including papers from approximately 40 private research organizations covering the development, activities and foreign relations of the European Coal and Steel Community, Euratom, EEC, EC and EU. Users can browse or search the repository, and new content added from 2020 onward primarily consists of papers from contributing private research organizations.

Hidden Web Data Integration

arxiv.org

An arXiv paper on discovering skylines over hidden web databases whose search interfaces enforce a top-k output constraint. It examines how search interface controls affect discovery cost and develops algorithms for one-ended range, free range and point predicates, combined for mixed interfaces. Experiments over real-world online and offline databases are reported.

Geochron

geochron.org

Geochron is a database system for capturing data and metadata documenting geochronologic age estimation, enabling future reuse, recalculation and integration. Data can be ingested from data reduction programs used in geochronology and thermochronology communities, which are adapted to upload standardized data to the database. A REST search service accepts GET variables such as geographic bounds, ages, analysis method, material, rock type and laboratory.

OEDI

data.openei.org

The Open Energy Data Initiative (OEDI) is a searchable online software discovery platform and knowledge base developed by NLR and powered by OpenEI. It provides open access to energy data and information to support research, collaboration and transparency, with features including curated data lakes, solar systems integration data and analytics tools, and a siting lab.

ADS-B Exchange

adsbexchange.com

ADS-B Exchange offers live flight APIs and historical datasets of aircraft data for research, analytics and integration. Live positions refresh every 250 milliseconds, with update frequency options of 5s, 500ms or 250ms. Daily positions provide a record of global aircraft positions refreshed every 24 hours, and daily operations deliver completed flight events. Data is available via API, streaming and data feeds.

Apache Zeppelin

zeppelin.apache.org

Apache Zeppelin is a web-based notebook for data-driven, interactive data analytics and collaborative documents with SQL, Scala, Python, R and more. It uses interpreters to plug in language and data-processing backends, including built-in Apache Spark integration, and includes basic charts, pivot charts, dynamic forms and paragraph publishing to embed results in websites.

datacite.org

datacite.org

DataCite is an organization that supports research data management and discovery. It offers services including DOI creation for research outputs, metadata harvesting, research workflow integration, and resources to promote data reuse, with membership options for institutions and individuals.

Deepnote

github.com

Deepnote is a drop-in replacement for Jupyter with an AI-first design. It uses the Deepnote kernel, adds block types, native data integrations and an AI agent, and supports Python, R and SQL locally in an IDE before scaling to Deepnote Cloud for collaboration and deployable data apps.

GeoLite Legacy Downloadable Databases

dev.maxmind.com

GeoLite databases and web services from MaxMind provide free geolocation and limited network data for IP addresses. The data is less accurate than MaxMind's paid GeoIP products. A free GeoLite account is required to download databases or query the web services, which use the same integration methods and documentation as GeoIP with minor modifications.

VirHostNet is a bioinformatic information system for biocuration, data integration, analysis and visualisation of virus/host protein-protein interactions. It offers quick search by protein accession, keyword, taxonomy or PMID, BLAST protein sequence search, browsing by viral taxonomy and keyword annotations, and an Interology web service. The knowledgebase is shared in PSI MITAB 2.5 format via the PSICQUIC web service and distributed through NDEx.

SimTK

simtk.org

SimTK is a platform enabling open access to biomedical simulation tools and models. It hosts projects with cloud-based storage, version control, wikis, forums, mailing lists, issue trackers, and GitHub integration. Files can receive DOIs, and projects can form communities.

Token Terminal

tokenterminal.com

Token Terminal provides standardized financial and usage metrics for blockchains, apps and tokenized assets, allowing comparison of fees, revenue and users across crypto. Core onchain data is free, with paid plans adding data customization, downloads, and integrations via Sheets, API, MCP and BigQuery.

ZingChart

zingchart.com

ZingChart is a dependency-free pure JavaScript charting library for data visualization. It includes over 50 built-in chart types and modules, uses simple JSON configuration, and offers integrations with popular JavaScript frameworks including React, Angular, and Vue.

Ackee

ackee.electerious.com

Ackee is a self-hosted, Node.js based analytics tool focused on privacy. It runs on the user's own server, analyzes website traffic, and provides statistics in a minimal interface. The tool is cookie-free, anonymizes data through a multi-step process, supports unlimited domains, and offers a central GraphQL API for data collection and integration.

amCharts

amcharts.com

amCharts is a TypeScript library for JavaScript charts, offering 60+ chart types plus maps, stock charts, and Gantt charts. The site states the library is free to use and React-ready. Documentation lists React, Angular, Vue.js, Next.js, and other integrations.

Grid Studio

github.com

Grid studio is a web-based spreadsheet application with full integration of the Python programming language.

LunarCrush

lunarcrush.com

LunarCrush analyzes social media conversations to measure real-time sentiment and social volume across over 40 categories, including crypto, stocks, sports and brands, drawing on X, Reddit, YouTube and TikTok. Its plans provide access to Discover, LLM integrations and an API, and a free account offers market data and short-window sentiment.

Anyword

anyword.com

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.

Bubblemaps

bubblemaps.io

Bubblemaps is a visual on-chain analytics platform for crypto research, tracing funds, and wallet analysis in real-time across all chains. Its Bubblemaps V2 feature tracks real-time token distribution, wallet clusters, and token history. An Intel Desk offers community-powered research, and an iframe widget and API are offered for integration.

MAC Address Lookup

maclookup.app

MAC Address Lookup is a tool that enables users to find the vendor, manufacturer or organization associated with a MAC or OUI address. It uses the IEEE directory and Wireshark manufacturer database for lookups, offers a free REST API for third-party integration, and provides access to its regularly updated MAC address prefix database.

Aidbase

aidbase.ai

Aidbase is an AI-powered support ecosystem for SaaS startups. It combines an AI chatbot trained on user data, a knowledge base, AI-assisted ticketing, and a unified email inbox. It offers customization, no-code deployment, webhooks, and SDKs, APIs and webhooks for integration. Pricing plans include Standard at €29 per month, Pro at €39 per month, and Expert at €199 per month.

AM

github.com

AM (Application Manager) is an open-source package manager for GNU/Linux systems focused on AppImage and portable application management. It supports AppImage sandboxing, local and system-wide installation, batch updates, an extensible database of AppImages and portable apps, drag-and-drop integration, and conversion of older AppImage formats.

Appsmith

appsmith.com

Appsmith is an open-source low-code application platform for building custom software. It provides drag-and-drop UI widgets, JavaScript customization, and connectors to databases, SaaS tools, and REST/GraphQL APIs. Apps can be self-hosted, and Git integration supports version control and deployment from environment branches. A community edition is maintained under the Apache 2.0 license.

BacklinkScan

backlinkscan.com

BacklinkScan is an AI-powered backlink checker. It provides daily monitoring of new and lost backlinks, automated disavow file preparation, and Search Console integration for organic keyword and ranked page data. It also offers historical backlinks, referring domain analysis and brand visibility tracking across AI platforms.