Open Source

A mature suite of free open-source Windows utilities maintained by Microsoft.

• Windows

Why it fits: Open Source

Mature Git-native, offline-first API client with a substantial free open-source core and paid Pro/Ultimate tiers. Current stable v4.1.0 is newer than the patched version for the August 2026 OAuth state advisory.

• Windows
• macOS
• Linux

Why it fits: Open Source

A polished open-source Windows file manager with active development and strong native integration.

• Windows

Why it fits: Open Source

Plan spending and track finances in a local-first budget, with optional self-hosted sync across devices.

• Web
• Windows
• macOS
• Linux

Why it fits: Open Source

Mature cross-platform image viewer newly rebuilt for Windows, macOS, and Linux. Classic remains free/open source while Pro adds optional workflow and administration features.

• Windows
• macOS
• Linux

Why it fits: Open Source

A mature, privacy-first text expander with deep scripting and package extensibility across Windows, macOS, and Linux; system-wide input monitoring is inherent to the product and should be disclosed.

• Windows
• macOS
• Linux

Why it fits: Open Source

Store and autofill passwords from an encrypted local database on Windows, macOS, and Linux.

• Windows
• macOS
• Linux

Why it fits: Open Source

QuickLook brings macOS-style Spacebar file previewing to Windows with broad format support, plugins, and multiple official distribution channels.

• Windows

Why it fits: Open Source

A mature package-manager front end with broad package-manager coverage and strong organizational backing; telemetry/crash reporting and privileged software-install actions require clear trust disclosure.

• Windows
• macOS
• Linux

Why it fits: Open Source

Mature cross-platform open-source launcher for Windows, macOS, and Linux, with stable v2.4.3 released on 2026-09-09. Core workflows are local; optional web and AI features can send data to configured services.

• Windows
• macOS
• Linux

Why it fits: Open Source

Local-first and zero-telemetry API client for Windows, macOS, and Linux with a free personal-use model, paid commercial licensing, encrypted secrets, Git workflows, and agent-friendly CLI support.

• Windows
• macOS
• Linux

Why it fits: Open Source

Actively maintained Firefox derivative focused on customization, workspaces, split view, and web panels. Desktop telemetry is disabled by default, while optional Sync and external services add privacy complexity.

• Windows
• macOS
• Linux
• iOS Beta
• iPadOS Beta

Why it fits: Open Source