Capso vs Capsomnia
Side-by-side comparison of features, pros & cons, pricing, and community votes (2026).
🏆 Capso leads with 250 upvotes
Free open-source screenshot & screen recorder for Mac
Capso is a powerful, open-source screenshot and screen recording application designed specifically for Mac users, especially those with Apple Silicon. Built entirely in Swift, it offers a seamless, native experience with a range of essential features including capturing specific areas, windows, or full screens, along with high-quality screen recording. Beyond basic capture, Capso provides useful annotation tools, OCR for extracting text from images, and image beautification features, making it suitable for both casual users and professionals. Its open-source nature means there are no subscriptions, paywalls, or telemetry, emphasizing transparency and user privacy. Perfect for developers, educators, content creators, and productivity enthusiasts, Capso stands out as a free yet comprehensive alternative to paid tools like CleanShot X or Cap, delivering robust functionality without compromising on performance or privacy.
Pros
- Open-source and completely free with no subscriptions or paywalls
- Native Mac application optimized for Apple Silicon
- Versatile features including screenshot, recording, annotation, OCR, and image beautification
- Privacy-focused with no telemetry or data collection
- Lightweight and easy to use with a clean interface
Cons
- May lack some advanced editing features found in premium paid tools
- Limited integrations with other apps or cloud services
- Potentially fewer updates or support compared to commercial software
Best for
- • Creating quick screenshots and screen recordings for tutorials or presentations
- • Annotating images for documentation or feedback
- • Extracting text from images using OCR for research or data entry
- • Recording software demos or bug reports
Pricing: Free and open-source, with no paid tiers or subscriptions, making it accessible for all users.
Caps Lock keeps your Mac awake, even with the lid closed
Capsomnia is a lightweight, open-source utility designed for Mac users who need to keep their laptops awake even when the lid is closed. By turning the Caps Lock key into a dedicated switch, it allows users to maintain active processes such as AI agents, SSH sessions, code builds, downloads, and other background tasks without interruption. Its simplicity and focus on a single, effective feature make it particularly appealing to developers, power users, and Mac enthusiasts who require continuous operation without the hassle of changing system settings manually. The app's design is minimalistic, showing the Caps Lock indicator to confirm active status, and it offers customization options if the default shortcut is already in use. Being signed and notarized, as well as free and open-source, adds to its appeal for those who prefer transparent, community-driven tools. The significant interest in Japan highlights its global relevance and practical utility for technical users worldwide.
Pros
- Simple and easy to use with minimal setup
- Open source and free, with no telemetry or accounts required
- Allows keeping MacBook awake with lid closed for uninterrupted workflows
- Customizable shortcuts for activation
- Significantly helps developers and power users maintain ongoing processes
Cons
- Limited to Mac, no cross-platform support
- Focuses solely on keeping the Mac awake via Caps Lock, may not suit all users
- Requires manual configuration if default shortcut conflicts with other shortcuts
Best for
- • Running AI models or agents like Claude Code or Codex overnight
- • Maintaining SSH sessions active while the lid is closed
- • Keeping downloads, uploads, or build processes running without interruption
- • Developers testing long-running scripts or processes
Pricing: Free and open source, with no paid tiers or subscriptions, making it accessible to all users without cost barriers.