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Tech riderRev. 4 Oct 2026

NSSM

Ch 086.5of 23 Startup Manager Software
  1. 1Runs onWindows
  2. 2CostsFree plan
  3. 3Startup delayNo
  4. 4Service controlYes
  5. 5Windows supportother
5 lines stated Written from the maker's own pages: nssm.cc
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The NSSM homepage

Overview

NSSM is ranked #8 of 23 in startup manager software on Specifiction. It runs on Windows. There is a free plan.

NSSM plans and pricing

All plans
NSSM Free Public domain; Windows service helper; 32-bit and 64-bit binaries nssm.cc · 4 Oct 2026

Compared on startup manager software

Startup delay
Nonssm.cc
Service control
Yesnssm.cc
Windows support
othernssm.cc

Facts

Purpose
NSSM runs an application as a Windows service, monitors it, and can restart it if it exits.nssm.cc · 4 Oct 2026
Service setup
It provides a graphical interface for installing and removing services, and its command-line options can configure services from scripts.nssm.cc · 4 Oct 2026
Exit behavior
When an application exits, NSSM can restart it, ignore the exit, exit itself, or exit uncleanly to trigger service recovery actions.nssm.cc · 4 Oct 2026
Logging and I/O
NSSM logs its progress to the Windows system Event Log and can redirect the monitored application's input and output.nssm.cc · 4 Oct 2026
Output rotation
NSSM can rotate output files when they reach a configurable size, including while the application is running.nssm.cc · 4 Oct 2026
Other controls
NSSM can set an application's priority class and CPU affinity, and can start, stop, and query services.nssm.cc · 4 Oct 2026
License
NSSM is public domain and may be used with its source code for any purpose.nssm.cc · 4 Oct 2026
Release status
The page lists version 2.24, dated 2014-08-31, as the latest release and a 2.24 prerelease build dated 2017-04-26.nssm.cc · 4 Oct 2026
Security and privileges
NSSM requires administrator access to manage services, and the site warns that bugs can cause severe system issues.nssm.cc · 4 Oct 2026
Known issues
The bugs page lists version 2.24 issues affecting newer Windows service startup, Windows XP crashes, log rotation over 4 GB, and other cases.nssm.cc · 4 Oct 2026
Support
The site directs users to the Windows Application Event Log for troubleshooting and to the author's email address in repository commits to report bugs.nssm.cc · 4 Oct 2026
Build and distribution
The site says NSSM is built with Jenkins and that its Chocolatey package is maintained by a third party and may not match the latest site build.nssm.cc · 4 Oct 2026
Maker
The NSSM site identifies Iain Patterson as its author.nssm.cc · 4 Oct 2026

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Where it ranks on Specifiction

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Sources