Free, open-source file converter. Convert 244+ formats offline
open source Java library for creating and editing PDF files
Server-sent live updates, protocol and reference implementation
HTML, CSS and JS framework for developing responsive websites and apps
Open source PDF editor
Google's data interchange format
Safely and predictably create, change, and improve infrastructure
The lxml XML toolkit for Python
JSON library for Arduino and embedded C++. Simple and efficient
The Apache Kafka C/C++ library
A static analyzer for Java, C, C++, and Objective-C
A C++ library for interacting with JSON
A static analysis tool for shell scripts
sq data wrangler
A simple library to work with JSON Web Token and JSON Web Signature
Open Source UI Kit built on top of Bootstrap 5 and plain JavaScript
Build GUI for your Python program with JavaScript, HTML, and CSS
A library that can help you with generating PDF documents
An open source free input method thesaurus conversion program
Record your test suite's HTTP interactions and replay them
Status, process, and documents for ECMA-262
Formatting library as an alternative to C stdio and C++ iostreams
Infrared remote library for ESP8266/ESP32
JSON powered dynamic forms for Angular