Monitoring
QuickProbe
Lightweight desktop app for monitoring Windows and Linux servers. Real-time health probes via WinRM and SSH, one-click RDP launch, Active Directory scanning, and secure credential storage.
Free Windows tools
for sysadmins.
Tools built from real enterprise IT, not guesswork. Single executable, no installer, no cloud — drop it on a server and run it.
19 Projects
Production Proven
MIT Licensed
Twenty years in enterprise Windows — AD hardening, Intune/Autopilot, Defender for Endpoint, Entra ID. The tools here come from that, not side projects. They run as single executables and leave nothing behind: no services, no registry entries, no installer footprint.
Open Source
View all → Tools & Projects
Monitoring
QuickConnect
Fast RDP connection manager for system administrators. Secure credential storage, Active Directory integration, quick server search, and instant remote desktop connections.
Analysis
EventSleuth
Event Viewer replacement that doesn't freeze on large logs. Background-threaded queries, virtual scrolling for million-event channels, XPath filtering, and .evtx file import.
Analysis
DiskSleuth
Fast, visual disk space analyser for Windows. Parallel scanning, SpaceSniffer-style treemap, NTFS MFT fast-scan, stale file finder, and top-N largest files — all in a single portable executable.
Security
BitBurn
Secure wipe tool for files, folders, and free space. NIST 800-88 for modern hardware, Gutmann mode for legacy HDDs, and a right-click context menu so you don't have to open the app every time.
Security
ChecksumCheck
Cross-platform desktop app for calculating and verifying file checksums. Supports MD5, SHA1, SHA256, and SHA512 with drag-and-drop, one-click copying, and local-only processing.
Utility
AllTheThings
Instant filename search for Windows. Reads the NTFS Master File Table directly to index millions of files in seconds, tails the USN change journal for live updates, and ships a rich query syntax — Boolean operators, wildcards, regex, size/date/attribute filters, and content search — all in a Tauri UI that runs without admin.
Analysis
LogSleuth
Fast, cross-platform log file viewer and analyser. Recursively discovers log files, auto-detects formats via TOML profiles, and merges them into a unified colour-coded timeline with severity filtering, regex search, time-range queries, live tail, and CSV/JSON export.
Utility
QuickRun
Lightweight Windows Run-style launcher in the system tray. Global Alt+Space hotkey, PATH resolution, light and dark themes, auto-updates, and transparent borderless window.
Utility
ps-launcher
Minimal, secure PowerShell script launcher under 10KB. Runs scripts silently without console windows — ideal for Task Scheduler, login scripts, and background automation. Future-proof VBScript replacement.
Utility
PSBench
GUI for exploring PowerShell modules and running commands. Browse cmdlets by module, inspect parameters, preview the command before running, and execute with alternate credentials — no terminal required.
Security
SwatCrypt
XChaCha20-Poly1305 file encryption with Argon2id key derivation. Encrypts single or multiple files/folders into a single .swc bundle with optional gzip compression, tamper detection via AEAD, and Explorer context menu integration.
Utility
ClipRelay
End-to-end encrypted clipboard and file sync tool. Share clipboard text and files up to 5 MiB between devices using room codes. XChaCha20-Poly1305 encryption, relay-based architecture, and Windows tray client with real-time sync.
Utility
LockSmith
Shows who has a file open over SMB and lets you force-close the session. Useful when someone's mounted your share and wandered off. Uses NetFileEnum — admin required.
Utility
HandleHunter
LockSmith's 134KB sibling — pure C, no runtime, no install. Same NetFileEnum-based SMB lock detection and force-release, in a binary small enough to keep on a recovery USB.
Utility
PSTInsight
Desktop application for viewing and exporting emails from Outlook PST files. Built with C# and WPF, featuring a dark theme, folder tree navigation, and email content preview without requiring Outlook installed.
Analysis Private
FSAnalyser
File server analysis tool that scans Windows file servers and produces detailed health reports. Covers storage usage, stale data, duplicate detection, permission auditing, and SharePoint migration readiness.
Utility
PSForge
Full-featured PowerShell IDE for Windows. Write, run, and debug scripts in a single desktop app — Monaco editor, integrated terminal, parameter inspection, script history, and module explorer. No VS Code required.
AI
Eir
Autonomous Windows system-repair agent. Monitors event logs, services, disk, memory, and network errors; uses an AI model to diagnose root causes; runs reversible fixes automatically and routes anything risky through an approval UI in the system tray.
Writing
View all → Latest Articles
3 min read
Sysadmin
Parsing Every Log Format: The Timestamp Problem in LogSleuth
Every application writes logs differently, and timestamps are a disaster. Here's the 15-heuristic fallback chain LogSleuth uses to parse them, and why it has to exist.
Read article → 3 min read
Sysadmin
Reading the MFT Directly: How DiskSleuth Scans a Drive in Seconds
Walking the directory tree is slow. When elevated, DiskSleuth reads the NTFS Master File Table directly — a million files in a few seconds instead of minutes.
Read article → 3 min read
Sysadmin
What's Actually Holding This File? Two Approaches to Windows File Locks
The 'file in use' dialog tells you nothing useful. SMB locks and local process handles are completely different problems — most tools only solve one of them.
Read article →