Mac apps: O

• Eagle

  Organise all your reference images in one place

• OBS

  Open-source software for live streaming and screen recording

• Obsidian

  Knowledge base that works on top of a local folder of plain text Markdown files

• ocenaudio

  Audio editor

• Octarine

  Markdown-based note-taking app

• Offset Explorer

  GUI for managing and using Apache Kafka clusters

• OK JSON

  Scriptable JSON formatter and editor

• Oka Unarchiver

  Free unarchiver

• Ollama

  Get up and running with large language models locally

• Ollamac

  Interact with Ollama models

• OmniDiskSweeper

  Finds large, unwanted files and deletes them

• OmniFocus

  Scheduling application focusing on organisation

• OmniGraffle

  Visual communication software

• OmniOutliner

  Note taking application and information organiser

• OmniPlan

  Project planning and management software

• OmniWM

  Tiling window manager

• One Switch

  All system and utility switches in one place

• OneXray

  Cross-platform Xray-core client

• OnionShare

  Securely and anonymously share files, host websites, and chat with friends

• ONLYOFFICE

  Document editor

• OnlySwitch

  System and utility switches

• OnyX

  Verify system files structure, run miscellaneous maintenance and more

• opcode

  GUI app and toolkit for Claude Code

• Open Design

  Local-first, agent-native design tool

• Open Island

  Native companion app for AI coding agents

• Open Sound Meter

  Sound measurement application for tuning audio systems in real-time

• Open Video Downloader

  Cross-platform GUI for youtube-dl made in Electron and node.js

• Open WebUI

  Desktop application for Open WebUI

• OpenAudible

  Audiobook manager for Audible users

• OpenBoard

  Interactive whiteboard application

• OpenCat

  Native AI chat client

• OpenChamber

  Desktop and web interface for OpenCode AI agent

• OpenClaw

  Personal AI assistant

• OpenClip

  Instant actions for selected text

• OpenCode

  AI coding agent desktop client

• OpenComic

  Comic and Manga reader

• OpenDisk

  Disk space analyser

• OpenDisplay

  Second-display utility for iPhone and iPad over USB and Wi-Fi

• OpenDisplay Receiver

  Receiver that turns a computer into a second display for OpenDisplay

• OpenHuman

  Personal AI assistant with local memory and integrations

• OpenHV

  Pixel art science-fiction real-time strategy game

• OpenIn

  Route links, emails, and files to your preferred apps

• OpenInEditor-Lite

  Finder Toolbar app to open the current directory in Editor

• OpenInTerminal

  Finder Toolbar app to open the current directory in Terminal or Editor

• OpenInTerminal-Lite

  Finder Toolbar app to open the current directory in Terminal

• OpenList Desktop

  Desktop application for OpenList

• OpenLogi

  Local-first alternative to Logitech Options+ for HID++ devices

• OpenMTP

  Android file transfer

• OpenPencil

  Open-source design editor compatible with Figma

• OpenRA

  Real-time strategy game engine for Westwood games

• OpenRefine

  Tool for working with messy data (previously Google Refine)

• OpenSCAD

  Programmable solid 3D CAD modeller

• OpenShot Video Editor

  Cross-platform video editor

• OpenSuperWhisper

  Whisper dictation/transcription app

• OpenTTD

  Open-source transport simulation game

• OpenUsage

  AI usage tracker for Cursor, Claude Code, Codex, Copilot and more

• OpenWhispr

  Privacy-first voice-to-text dictation with AI agents

• OpenWork

  Unofficial desktop GUI for OpenCode

• Opera

  Web browser

• Opera Air

  Web browser

• Opera GX

  Alternate version of the Opera web browser to complement gaming

• Optimage

  Image optimisation tool

• OracleDataModeler

  Graphical tool for data modeling tasks

• Orange

  Component-based data mining software

• OrbStack

  Replacement for Docker Desktop

• Orca Slicer

  G-code generator for 3D printers

• Orca Slicer Nightly

  G-code generator for 3D printers

• Orchard

  Native GUI for Apple Containers

• Orion Browser

  WebKit based web browser

• Orka Desktop

  Run macOS virtual machines locally and build images for use with Orka

• Osaurus

  LLM server built on MLX

• OSCAR

  CPAP Analysis Reporter

• osu!

  Rhythm game

• Otty

  Terminal emulator built for code agents

• Outline

  Note taking app

• Outline Manager

  Tool to create and manage Outline servers, powered by Shadowsocks

• Overlayed

  Modern, open-source, and free voice chat overlay for Discord

• OVITO

  Scientific data visualization and analysis software

Try it on your computer

BCD connects ChatGPT, Claude and other AI apps to your own Mac, Windows or Linux computer. One computer is free, with 20,000 tool calls a month and no card.