• vulture - Find dead python code
• pylama - Useful python code-audit tool
• pyupgrade - Automatically upgrade python syntax to baseline against specific python versions
• yamllint - Simple yaml linter
• yamlfix - Automatic yaml formatting fixer
• pudb - Full-screen terminal Python debugger
• pdoc - Documentation system for moderate-sized python projects
• ALE - Add IDE features to vim and neovim
• Neovide - Enhanced neovim GUI with a focus on vim as an IDE
• nvim-treesitter - Parser and auto-complettion for neovim
• YouCompleteMe - Auto-completion for ALE
• PySnooper - Debug python with decorators
• snoop - Debug python with decorators; similar to PySnooper
• bandit - Find security problems in python code
• pss - Code-search tool written in python
• rust-analyzer - Linter for rust projects

• pyinstrument - Call stack profiler for python libraries; detect why python is slow
• py-spy - Sampling profiler for python code

• act: Run GitHub actions locally on your laptop
• zizmor: Static YAML analysis for GitHub Actions YAML

• checkov: Lint your AWS CloudFormation
• ScoutSuite: Multi-cloud security auditing

• uv: A rust replacement for pip
• ty: A Python type checker in rust
• pre-commit - Add hooks to git commit actions
• ultisnips
• cookiecutter - A disk and file templating framework
• pyautogui - Framework to exert control over GUI interfaces
• pywinauto - Framework to exert control over GUI interfaces
• diagrams - Diagrams as Python code
• mermaid-py - Python interface to mermaid-js diagramming library
• jupyter-notebook - Dynamically analyze python code as a savable notebook

• codon - Compile Python into static binaries
• PyO3 - Write Python modules in rust, or embed Python in a rust binary
• Cython - Accelerate Python with C
• py2many - A python transpiler (i.e. convert Python to Rust, C++, etc...)
• pyinstaller - Compile to binary including required packages
• Nuitka - Compile python code to a binary
• Cython - CPython compiler

• Arrow - Flexible Python time-handling
• whenever - Time-handling replacement for Python datetime and some Arrow use-cases
• traitlets - Python classes with strong typing and attribute observer operations.
• attrs - Python classes without boilerplate
• GitPython - Manage git repositories with python
• loguru - Delgan's excellent Python logging framework
• rich - Library for terminal colorization
• scrapy - Web scraping framework
• marshmallow - Implement Python object serialization an de-serialization with type validation; works well with nested dicts
• trio - Python async and concurrency library
• orjson - Fast and correct json parsing library
• ptftpd - Python TFTPd and PXE tool suite
• pyjwt - Python implementation of JWT (JSON Web Token)
• python-saml - Python SAML toolkit
• dnspython - Python interface to DNS queries
• splunk-sdk-python - Splunk SDK for Python
• hvac - Python interface to Hashicorp Vault
• pyshark - Python interface to tshark / Wireshark in the Terminal
• docker-py - Python API for the Docker ecosystem
• peewee - Python ORM for sqllite, postgresql, mysql and cockroach DB
• records - Make SQL queries and ingest results as python objects
• python-prompt-toolkit - For interactive python terminal prompt apps
• psutil - Cross platform process and system monitoring
• watchdog - Monitor file-system events in python
• invoke - Pythonic command execution and task management
• pandas - Pythonic data manipulation and statistical analysis library
• polars - Python data manipulation and statistical analysis written in rust
• Seaborn - Simple statistical graphing package
• plotly - Graphing and plotting library
• prophet - Facebook's canned time-series forcasting library
• pysmb - Python SMB client
• pyyaml - Pythonic yaml handling
• ruamel.yaml - Pythonic yaml handling
• rocketry - Pythonic scheduling and cron-like recur using python decorators
• pexpect - Pythonic Expect library
• pyparsing - Popular python parsing library via PEG parser
• TextFSM - Stateful templated python text parsing and value extraction
• transitions - Python Finite State Machine
• fuzzywuzzy - Fuzzy text matching
• click - Flexible CLI arguments library as an improvement over argparse
• rich - Command-line text formatting library
• python-prompt-toolkit - Build interactive Python command-line programs
• deepdiff - Diff python nested dicts
• dictdiffer - Diff python dicts
• dotenv - Manage .env files in Python
• transitions - Object-oriented pythonic State Machine
• dominate - Write HTML with python
• matplotlib - Build graphs with Python
• seaborn - Build statistical graphs with Python
• PyGithub - GitHub v3 API python library
• GitPython - Python API for git repositories
• atlassian-python-api - REST API for Atlassian products (i.e. Jira, Confluence)

• fabric - Automate command execution on linux systems via SSH
• netmiko - Automate command execution on routers / switches via SSH
• exabgp - BGPd written in Python
• nornir - Network inventory and execution abstractions
• ntc-templates - Templates to parse command output via TextFSM
• scrapli - Automate command execution on routers / switches via SSH
• suzieq - Canned network metrics collection
• meraki-cli - Meraki CLI tool for interacting with the dashboard
• py-junos-eznc - Junos automation library
• boto3 - Automate AWS environments

• keras
• scikit-learn
• langchain - Framework for building AI Agents
• textblob - Text processing and sentiment analysis
• MLAlgorithms - Clean Machine Learning examples

The best single-source of rust examples is Rust By Example.

• argh - Simplified Rust CLI arg parsing
• clap - Full-featured Rust CLI arg parsing; can be complex and often deprecates previously-used syntax

• snafu - Rust error handling
• anyhow - Rust Application error handling
• thiserror - Rust Application error handling

• rexpect - Rust expect library

• go-charts: Go charts library
• [plot][plot]: A repository for plotting and visualizing data

• difftastic: A text file differ that understands many programming languages. Diffs are intelligent based on the language in the file.
• taskwarrior: A task-list manager with a useful CLI
• yamlfix: YAML formatter and fixer
• just: just is like make, but without the Makefile syntax warts
• sd: Find and replace simplified
• ripgrep: Recursive grep through directories
• RustScan: A fast port-scanner in Rust (can replace nmap for some tasks)

• asciienema: A terminal session recorder built with Rust
• obs-studio: Record YouTube videos from your laptop

• influxdb: A time-series database
• rrdtool: A time-series database, which intelligently compresses data

• caddy: Go webserver / reverse proxy with auto-TLS certificate generation
• frp: A Golang fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.
• nsd: DNS server in C
• coredns: Golang DNS server that supports UDP, DoT, DoH, DoQUIC and more.
• unbound: Popular DNS resolver library
• scylladb: Fast NoSQL DB
• Netbox: Network source of truth; based on Django
• NIPAP: Open-source IP address management (IPAM)
• fail2ban: Monitor and black-hole repetitive attacks on your Linux server
• maltrail: Detect malicious network traffic
• RustScan: Port-scanner; like nmap but in Rust
• secure_cartography: Use CDP / LLDP / SSH to compile accurate network diagrams

• containerlab: Build arbitrary topologies of your favorite Cisco / Arista / Juniper / Nokia Operating System as a Docker container
• vrnetlab: Tool to convert router images to a Docker container

• trippy: Traceroute / mtr written in Rust
• mtr: Traceroute / mtr written in Rust
• sniffnet: Cross-platform network traffic capture with a nice GUI (Windows / MacOS / Linux)
• gping: Graph ping response times (written in Rust) in the terminal window
• pingtracer: Progressive ping logger written for MS Windows; discovers all hops in the path and pings them
• nethogs: Detect which linux processes are consuming the most bandwidth
• bandwhich: Detect which linux processes are consuming the most bandwidth (written in Rust)
• sniffer: Detect which linux / Windows processes are consuming the most bandwidth (written in Go)
• mitmproxy: An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
• go-mitmproxy: A port of mitmproxy to Go
• flent: A network performance test client, which requires [fping][fping] (client-side), netperf (server-side) or iperf2 (server-side)
• crusader: Rust-based network testing and results graphing
• goben: Measure TCP / UDP throughput between hosts
• TRex: Cisco's flexible Network test tool
• netperf: A network performance test server, written by Hewlett Packard. It's best to install the Debian package instead of trying to compile netperf

• Zephyr: A popular RTOS for Embedded systems
• Embassy: A rust embedded operating system
• rtic: RTOS for ARM Cortex-M microcontrollers
• Tock: A secure RTOS for embedded system