Directory

API-first US brokerage offering a Trading API, Market Data API and Broker API for stocks, ETFs, options and crypto, with paper trading

REST API for stock, ETF, options, forex, crypto, commodity and economic data plus fundamentals, news sentiment and technical indicators, with a free key tier and premium plans

Bloomberg's subscription workstation for market data, news, analytics, messaging and execution, with Excel integration and the BLPAPI library for C++, Java, .NET and Python

Web data platform combining residential, datacenter and ISP proxy networks with unblocking, SERP and scraper APIs, remote browsers, ready-made datasets and an MCP server

Webrecorder's browser-based web archiving system, available hosted or self-hosted, that crawls sites with real browsers into signed WACZ files replayable with ReplayWeb.page

Global network offering authoritative DNS, CDN and reverse-proxy security, a domain registrar, Zero Trust access and the Workers serverless platform

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

Open-source behavior-based intrusion prevention engine whose detections feed a crowd-sourced IP reputation network, with remediation components for firewalls, proxies and CDNs

Community chat platform with servers, text and voice channels, video, forums and a bot API, free to use with optional Nitro subscriptions

Hosted voice AI platform: text-to-speech and speech-to-text models, voice cloning, dubbing, music and sound effects, a voice-agent builder and a REST API with Python and TypeScript SDKs

AI research assistant that finds papers, extracts structured data from them into tables and runs systematic-review style workflows and reports

Ethereum block explorer and multichain REST API exposing balances, transactions, token transfers, verified contract source, logs and gas data

Platform that runs Docker images as Fly Machines (Firecracker microVMs) in regions around the world with anycast routing, private networking and managed Postgres

Geocoding API and spreadsheet service for the US and Canada with batch processing and data appends such as census, districts and time zones

Open-source wealth-tracking web app for stocks, ETFs, crypto and other assets, self-hostable with Docker or used as a hosted service

Open-core DevSecOps platform combining Git hosting, merge requests, integrated CI/CD pipelines, registry and security scanning, available as SaaS or self-managed

Domain registrar and web-hosting company offering DNS management, SSL certificates, email and website builders, with a developer API for domains

Google's hosted productivity suite: Gmail, Drive, Docs, Sheets, Slides, Meet, Chat and Calendar with admin controls, Gemini features and developer APIs

Identity-based secrets manager providing encrypted key-value storage, dynamic database and cloud credentials, PKI and encryption-as-a-service, under the Business Source License

German hosting provider known for cost-focused cloud servers, dedicated root servers, Storage Boxes and object storage in Germany, Finland, the United States and Singapore

Cloud CRM platform with marketing, sales, service, content and operations hubs on a shared contact database, with a REST API and app marketplace

Secrets, certificate and privileged-access management platform with an MIT-licensed core, available as a hosted service or self-hosted deployment

LangChain's hosted platform for tracing, evaluating and deploying LLM applications and agents, with prompt tooling, an LLM gateway and cloud, hybrid or self-hosted options

Market data platform (renamed from Polygon.io in October 2025) with REST and WebSocket APIs, flat files and SQL access for US stocks, options, indices, forex, crypto and futures