formio

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

? SheetJS Spreadsheet Data Toolkit -- New home https://git.sheetjs.com/SheetJS/sheetjs

Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.

A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.

Session replay, cobrowsing and product analytics you can self-host. Ideal for reproducing issues and iterating on your product.

:page_facing_up: A curated list of awesome Angular resources

The Redux Framework

? High performance subscription-based form state management for React

The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript.

? JavaScript Library for HTML5 canvas based heatmaps