Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category1
Sort:Used by Most Apps
Clap
The most widely used command-line argument parser for Rust, with both derive and builder APIs.
Ruff
An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.
urfave/cli
A declarative, dependency-free Go package for building fast, friendly command-line tools.
sentry-cli
Official command-line tool for uploading source maps, debug symbols, and managing releases and deploys in Sentry.
colored
The simplest way to add ANSI colors and styles to terminal strings in Rust.
Rspack CLI
The official command-line interface for running Rspack builds, dev servers, and previews.
Ratatui
Rust library for building rich terminal user interfaces and dashboards
json2csv
Convert JSON arrays into CSV strings and files with configurable fields, formatters, and streaming parsers for Node.js.
jsonschema
A compliant, dependency-light Go library for compiling and validating JSON Schema across five draft versions, with rich hierarchical errors.
portable-pty
Cross-platform Rust API for pseudo-terminals, with runtime-selectable implementations
quicktype
Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL
Open Policy Agent (OPA)
Open source policy engine for unified authorization and compliance decisions across your stack.
inquire
A Rust library for building interactive command-line prompts — text, select, multiselect, confirm, date, and password inputs with validation, autocompletion, and theming.
node-bunyan
A simple and fast JSON logging library for Node.js services, paired with a CLI for pretty-printing structured logs.
fallow
Rust-native static analysis for TypeScript and JavaScript that finds dead code, duplication, cycles, and architecture drift with no compiler or AI in the loop.
gojq
A pure Go implementation of jq for querying and transforming JSON and YAML, usable as a CLI or embedded as a Go library.
yaml.js
Standalone JavaScript YAML 1.2 parser and encoder for Node.js and browsers, with yaml2json and json2yaml command-line tools.
rpassword
Cross-platform Rust library for securely reading passwords from the terminal.
Deno
Secure-by-default JavaScript and TypeScript runtime built in Rust on V8
moon
A Rust-based build system and monorepo orchestrator that manages toolchains, tasks, caching, and CI pipelines across the JavaScript, TypeScript, and polyglot ecosystem.
cmd_lib
Rust macros for writing shell-script-like tasks without spawning a shell
prettytable-rs
Print aligned, styled, and formatted tables in the terminal from Rust.
ast-grep
Fast CLI for structural code search, linting, and rewriting by AST pattern.
skim
A fast, interactive fuzzy finder for the command line, written in Rust — a smarter alternative to grep.
