homebrew — independent software & tools
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openliberty-jakartaee8
Lightweight open framework for Java (Jakarta EE 8)
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openlibm
High quality, portable, open source libm implementation
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openlist
New AList fork addressing anti-trust issues
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OpenList Desktop
Desktop application for OpenList
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OpenLogi
Local-first alternative to Logitech Options+ for HID++ devices
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OpenLP
Worship presentation software
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openmama
Open source high performance messaging API for various Market Data sources
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openmotif
LGPL release of the Motif toolkit
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openmsx
MSX emulator
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OpenMTP
Android file transfer
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Apache OpenOffice
Free and open-source productivity suite
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OpenPencil
Open-source design editor compatible with Figma
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OpenPHT
Community-driven fork of Plex Home Theater
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OpenRA
Real-time strategy game engine for Westwood games
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OpenRCT2
Open-source re-implementation of RollerCoaster Tycoon 2
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OpenRefine
Tool for working with messy data (previously Google Refine)
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OpenRGB
Open source RGB lighting control that doesn't depend on manufacturer software
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OpenRocket
Model rocket simulator
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openrtsp
Command-line RTSP client
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opensaml
Library for Security Assertion Markup Language
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opensc
Tools and libraries for smart cards
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opensca-cli
OpenSCA is a supply-chain security tool for security researchers and developers
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OpenSCAD
Programmable solid 3D CAD modeller
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OpenSCAD
Programmable solid 3D CAD modeller
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opensearch
Open source distributed and RESTful search engine
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opensearch-dashboards
Open source visualization dashboards for OpenSearch
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OpenSesame
Graphical experiment builder for the social sciences
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OpenShot Video Editor
Cross-platform video editor
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OpenSim
Open-source alternative to SimPholders, written in Swift
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openslide
C library to read whole-slide images (a.k.a. virtual slides)
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openslp
Implementation of Service Location Protocol
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OpenSong
Presentation software
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Open Sound Meter
Sound measurement application for tuning audio systems in real-time
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openspec
Spec-driven development (SDD) for AI coding assistants
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openssh
OpenBSD freely-licensed SSH connectivity tools
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openssl@3
Cryptography and SSL/TLS Toolkit
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openstackclient
Command-line client for OpenStack
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opensubdiv
Open-source subdivision surface library
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OpenSuperWhisper
Whisper dictation/transcription app
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opentelemetry-cpp
OpenTelemetry C++ Client
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OpenThesaurus Deutsch Dictionary plugin
German thesaurus for Apple Dictionary
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opentimestamps-client
Create and verify OpenTimestamps proofs
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opentofu
Drop-in replacement for Terraform. Infrastructure as Code Tool
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OpenToonz
Open-source full-featured 2D animation creation software
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opentsdb
Scalable, distributed Time Series Database
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OpenTTD
Open-source transport simulation game
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openturns
Probabilistic modelling and uncertainty quantification library
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OpenUsage
AI usage tracker for Cursor, Claude Code, Codex, Copilot and more
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OpenVanilla
Provides common input methods
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openvdb
Sparse volumetric data processing toolkit
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openvi
Portable OpenBSD vi for UNIX systems
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openvino
Open Visual Inference And Optimization toolkit for AI inference
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OpenVisualTraceroute
Visual networking tool
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openvpn
SSL/TLS VPN implementing OSI layer 2 or 3 secure network extension
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OpenVPN Connect client
Client program for the OpenVPN Access Server
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OpenWebStart
Tool to run Java Web Start-based applications after the release of Java 11
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OpenWork
Unofficial desktop GUI for OpenCode
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OpenZFS on OS X
ZFS driver and utilities
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Opera
Web browser
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Opera Air
Web browser