ProTimer is a free, open-source stage timer with a separate operator view and audience output, rundown cues, phone remote control, speaker messages, OBS Browser Source output, OSC, and Bitfocus Companion control.
Publisher’s description
What is ProTimer?
ProTimer is an open-source live streaming program for Windows from Srdjan Kotarlic. It is written in JavaScript.
Installation and requirements
Official installers exist for 64-bit as EXE (NSIS). It can be installed for the current user only, without administrator rights. The installer supports unattended (silent) installation.
Popularity and file types
The source code on GitHub (srdjankotarlic/protimer) has 4 stars. Similar programs include DistroAV, Sunshine and Streamlabs Desktop.
Project description on GitHub: “Free, open-source stage timer for live events and OBS. macOS/Windows app with rundown, audience QR, backstage view and phone remote.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
- Updated in the last two months
Cons
- No native ARM64 build
In short: ProTimer is an open-source live streaming tool for 64-bit PCs. Administrators can deploy it unattended.
Is ProTimer safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
0265A9871F78C33499992E63876D2110F0912FDAAE977233441EA58177C9B899· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 2.1.0Latest | August 27, 2026 | — | 64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id SrdjanKotarlic.ProTimer -eProTimer-Setup-2.1.0.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- Srdjan Kotarlic
- Category
- Live streaming
- Licence
- MIT
- Price
- Free
- Source code
- github.com/srdjankotarlic/protimer
- Written in
- JavaScript
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Version
- 2.1.0
- Released
- August 27, 2026
- Added to the catalogue
- September 26, 2026
- Versions listed
- 1
- GitHub stars
- 4
- Website
- srdjankotarlic.github.io
- winget ID
- SrdjanKotarlic.ProTimer
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is ProTimer free?
Yes. ProTimer is open-source software under the MIT licence.
Is ProTimer safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install ProTimer with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can ProTimer be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does ProTimer run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use ProTimer without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to ProTimer?
DistroAV, Sunshine, Streamlabs Desktop, Streamlink and GPAC. The alternatives page compares them.
