Open source PDF editor
Blazing-fast Data-Wrangling toolkit
The universal markup converter
An ebook reader application supporting PDF, DjVu, EPUB, FB2, etc.
A PDF processor written in Go
A command-line tool to turn web pages into beautiful, readable PDF
Beautifier for javascript
Modern, user-friendly command-line HTTP client for the API era
Strip comments from JSON. Lets you use comments in your JSON files
A high-quality solution for converting Chinese to Pinyin
Command-line YAML, XML, TOML processor
A Python utility / library to sort imports
JSON logger for Node.js and browser
A super fast CLI tool to decode and encode JWTs built in Rust
A tool to manage v2ray config json
Better markdown parser in PHP
PDFCraft is a free, privacy-focused PDF toolkit
An open source free input method thesaurus conversion program
sq data wrangler
Tom Preston-Werner's obvious, minimal language
A smarter shell and scripting environment with advanced features
Serialize JavaScript to a superset of JSON
Spelling, grammar and style checking on LaTeX documents
JSON diff and patch
Super-fast/easy runtime validations and serializations