FindDiskKiller

See which apps are hammering your Mac's disk

MacDeveloper ToolsGitHubOpen Source

▲ 0 votes7 commentsLaunched Jul 27, 2026

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FindDiskKiller is a native macOS disk activity monitor that reveals which apps and AI coding agents are driving reads and writes. Track per-process disk I/O, CPU and network activity, inspect live file access, trace folders, and view SMART/NVMe drive health. Completely free and open source.

AI Analysis

📝 Summary

FindDiskKiller is a free, open-source native macOS disk activity monitor that identifies apps and AI coding agents causing high disk reads/writes. Core features include per-process disk I/O tracking, CPU/network monitoring, live file access inspection, folder tracing, and SMART/NVMe drive health views. It addresses the key pain point of unexplained disk hammering that degrades Mac performance, especially for developers using resource-intensive AI tools. The value proposition is delivering transparent, detailed system insights to optimize performance at no cost.

📈 Market Timing

Favorable due to the 2025-2026 boom in AI coding agents and local dev tools that heavily impact disk I/O on Macs, which dominate the developer ecosystem. Monitoring tech is mature, user demand for performance diagnostics is rising amid AI adoption, and the economic environment supports open-source utility tools. Excellent Timing.

✅ Feasibility

High. The native macOS implementation uses established APIs with manageable technical complexity for an experienced team. Low ongoing costs as an open-source project, minimal supply chain or compliance risks beyond standard app distribution, good scalability via community contributions. Key reasons: already functional per description, low barrier for GitHub-based maintenance.

🎯 Target Market

Primary segments: macOS developers and AI tool users (tech professionals aged 25-45), power users in software engineering. Geographic focus: US, Europe, China (where Mac dev adoption is high). Estimated market: TAM ~$2B for macOS utilities, SAM ~$300M for developer performance tools, SOM ~$10-20M for disk-specific monitors. Pain points: unexplained disk usage causing slowdowns. Moderate willingness to pay for premium alternatives, though this is free.

⚔️ Competition

Medium. Direct competitors: 1. Activity Monitor (apple.com), 2. iStat Menus (bjango.com/mac/istatmenus), 3. Stats (github.com/exelban/stats), 4. DriveDx (binaryfruit.com). Advantages: completely free/open-source, specific focus on AI coding agents and live file/folder tracing, comprehensive drive health. Disadvantages: likely less polished UI/support than commercial tools, lower brand awareness as a newer GitHub project.

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