Freemium
Gradescope
Gradescope is an online grading platform that helps educators automate and standardize grading for exams, homework, and programming assignments using AI-assisted tools and customizable rubrics.
Free
SpamAssassin
Apache SpamAssassin is a free, open-source email spam filtering software that uses a combination of rule-based scoring, Bayesian filtering, and DNS blocklists to detect and block spam emails effectively.
Free
TypeORM
TypeORM is an open-source Object-Relational Mapping library that helps TypeScript and JavaScript developers interact with SQL databases using entity models, decorators, and migrations.
Freemium
Financial Modeling Prep
Financial Modeling Prep is a financial data API platform providing real-time stock quotes, financial statements, and market data for developers and investors.
Free
Alpha Vantage
Alpha Vantage is a financial data platform providing free and premium APIs for real-time and historical stock, forex, and cryptocurrency market data, including technical indicators, suitable for developers and analysts.
Free
Cardano
Cardano is a proof-of-stake blockchain platform designed for secure and scalable decentralized applications and smart contracts, featuring energy-efficient consensus and formal verification.
Custom Pricing
Kensho
Kensho is an AI-driven analytics platform that uses natural language processing and machine learning to analyze financial and economic data, providing market insights and predictive analytics.
Custom Pricing
Kaedim3D
Kaedim3D is an AI tool that transforms 2D images and sketches into textured 3D models, accelerating asset creation for games, animation, and design.
Freemium
Weatherbit
Weatherbit is a weather data platform providing real-time, forecast, and historical weather information through an easy-to-use API, suitable for developers and businesses needing accurate meteorological data.
Subscription
AccuWeather API
AccuWeather API provides developers with accurate, real-time and forecast weather data globally via RESTful endpoints, supporting JSON and XML formats for easy integration.
Free
OpenWeatherMap
OpenWeatherMap is a weather data service providing APIs for real-time weather, forecasts, and historical data integration into applications.
Free
PDFTables
PDFTables is an online service and API that converts PDF documents containing tables into editable Excel, CSV, or XML files using advanced table recognition technology.
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