CLI — independent software & tools
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ocrad
Optical character recognition (OCR) program
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ocrmypdf
Adds an OCR text layer to scanned PDF files
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octave
High-level interpreted language for numerical computing
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octobuild
Compiler cache for Unreal Engine
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octodns
Tools for managing DNS across multiple providers
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octomap
Efficient probabilistic 3D mapping framework based on octrees
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octosql
SQL query tool to analyze data from different file formats and databases
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odbc2parquet
CLI to query an ODBC data source and write the result into a Parquet file
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ode
Simulating articulated rigid body dynamics
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odiff
Very fast SIMD-first image comparison library (with nodejs API)
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odin
Programming language with focus on simplicity, performance and modern systems
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odinfmt
Formatter for The Odin Programming Language
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odo
Atomic odometer for the command-line
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odo-dev
Developer-focused CLI for Kubernetes and OpenShift
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odpi
Oracle Database Programming Interface for Drivers and Applications
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odt2txt
Convert OpenDocument files to plain text
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officecli
Read, edit, and automate Office documents (.docx, .xlsx, .pptx)
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offlineimap
Synchronizes emails between two repositories
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oggz
Command-line tool for manipulating Ogg files
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ogmtools
OGG media streams manipulation tools
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oh-my-agent
Portable multi-agent harness for .agents-based skills and workflows
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oh-my-posh
Prompt theme engine for any shell
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oha
HTTP load generator, inspired by rakyll/hey with tui animation
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ohcount
Source code line counter
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ohdear-cli
Tool to manage your Oh Dear sites
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oils-for-unix
Bash-compatible Unix shell with more consistent syntax and semantics
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oj
JSON parser and visualization tool
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oksh
Portable OpenBSD ksh, based on the public domain Korn shell (pdksh)
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okta-aws-cli
Okta federated identity for AWS CLI
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okta-awscli
Okta authentication for awscli
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okteto
Build better apps by developing and testing code directly in Kubernetes
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ol
Purely functional dialect of Lisp
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ola
Open Lighting Architecture for lighting control information
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ollama
Create, run, and share large language models (LLMs)
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olsrd
Implementation of the optimized link state routing protocol
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omake
Build system designed for scalability, portability, and concision
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omega
Packaged search engine for websites, built on top of Xapian
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omekasy
Converts alphanumeric input to various Unicode styles
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omnara
Talk to Your AI Agents from Anywhere
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omniorb
IOR and naming service utilities for omniORB
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ompl
Open Motion Planning Library consists of many motion planning algorithms
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ondir
Automatically execute scripts as you traverse directories
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one-ml
Reboot of ML, unifying its core and (now first-class) module layers
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onednn
Basic building blocks for deep learning applications
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onedpl
C++ standard library algorithms with support for execution policies
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onedrive-cli
Folder synchronization with OneDrive
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onefetch
Command-line Git information tool
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onigmo
Regular expressions library forked from Oniguruma
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oniguruma
Regular expressions library
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onion-location
Discover advertised Onion-Location for given URLs
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onioncat
VPN-adapter that provides location privacy using Tor or I2P
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onionprobe
Test and monitoring tool for Tor Onion Services
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onlykey-agent
Middleware that lets you use OnlyKey as a hardware SSH/GPG device
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onnx
Open standard for machine learning interoperability
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onnxruntime
Cross-platform, high performance scoring engine for ML models
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opa
Open source, general-purpose policy engine
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opal
Ruby to JavaScript transpiler
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opam
OCaml package manager
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open-adventure
Colossal Cave Adventure, the 1995 430-point version
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open-babel
Chemical toolbox