OpenGameBoost

github.com

What it is

OpenGameBoost describes itself as an open-source gaming optimizer for Windows 10/11.

From github.com's own pages, read 30 Sept 2026.

Data plate

Price: Free to use
Free plan: Yes
Free trial: Not stated
Runs on: Windows
Open source: No
Website: github.com
Automatic detection: Auto Game Detection can activate Game Mode when supported games launch.
Download: The README directs users to download OpenGameBoost.exe from the Releases page and run it as Administrator.
Game detection: The README lists 18 games for automatic detection, including Fortnite, Counter-Strike 2, Valorant, and Minecraft.
Game Mode: Game Mode can suspend Explorer, browsers, and game launchers to free CPU and RAM.
GPU tweaks: GPU priority tweaks set scheduling priority for games through registry changes.
License: The project is distributed under the MIT License.
License and limits: The project uses the MIT License, modifies Windows system settings, says changes are reversible, and provides no responsibility for resulting issues.
Memory optimization: Memory optimization flushes unused memory from processes using the Windows EmptyWorkingSet API.
Checked: 30 Sept 2026

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