Browse free open source C# PC Optimizers and projects below. Use the toggles on the left to filter open source C# PC Optimizers by OS, license, language, programming language, and project status.

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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  • Context for your AI agents Icon
    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

    Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.
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  • 1
    Hellzerg Optimizer

    Hellzerg Optimizer

    The finest Windows Optimizer

    Advanced configuration utility that helps you restore your privacy and increase your security. Optimizer is recommended after a fresh, clean installation of Windows to achieve maximum privacy and security. Depending on your version of Windows, Optimizer will also allow you to perform some specific tweaks.
    Downloads: 156 This Week
    Last Update:
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  • 2
    RyTuneX

    RyTuneX

    RyTuneX is a cutting-edge optimizer built with the WinUI 3 framework

    RyTuneX is a comprehensive Windows-system optimization tool aimed at users who want to enhance performance, privacy and usability on systems running Windows 10 (20H1 +) and Windows 11. It is built using the WinUI 3 framework and .NET 8 to provide a modern, responsive interface and native Windows look and feel. The application lets users “debloat” their system by removing pre-installed apps and Windows features that may be unnecessary or resource-heavy, helping free up resources and storage. It also offers system tweaks to improve responsiveness, reduce background overhead, and optimize system settings for gaming or heavy usage workflows. Privacy enhancements are part of its core offering: toggles for telemetry, data-collection features, background apps and more give users greater control over what their OS is tracking or doing under the hood.
    Downloads: 126 This Week
    Last Update:
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  • 3
    Performance Maintainer

    Performance Maintainer

    cleans registry, cleanup disk, defrag drive

    Performance Maintainer has combined open source tools such as Little Registry Cleaner, Bleachbit and Ultradefrag that run periodically for PC maintenance and performance. It is very simple and automated 1.Little Registry Cleaner Scan and Cleans the registry, 2.Bleachbit Performs Disk Cleanup 3. Ultradefrag defragments System Drive. The Programs also allows to install additional tools for tweaking and better performance. The installer schedules the program to run according to your requirement. Requires .NET Framework 3.5 sp1.
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    Downloads: 72 This Week
    Last Update:
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  • 4
    WinHubX

    WinHubX

    WinhubX

    Downloads: 7 This Week
    Last Update:
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  • HOA Software Icon
    HOA Software

    Smarter Community Management Starts Here

    Simplify HOA management with software that handles everything from financials to communication.
    Learn More
  • 5
    OptiBoot

    OptiBoot

    Lightweight PC tool for startups, services, and hardware info

    About "A lightweight PC utility that lets you easily manage startup applications, control system services, and view detailed hardware information—all in one place." NOTE: .NET Core 8 must be installed.
    Downloads: 4 This Week
    Last Update:
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  • 6
    Little Registry Cleaner
    Little Registry Cleaner is an open source program designed for Microsoft's Windows Registry. Its purpose is to remove obsolete or unwanted items that build up in the registry over time in order to improve the stability & performance of your computer
    Downloads: 1 This Week
    Last Update:
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  • 7
    Little Registry Optimizer

    Little Registry Optimizer

    Compact the Windows Registry

    Little Registry Optimizer is a part of Little Apps` Little Registry Cleaner. This project is aimed to analyze the windows registry and optimize it so it will be smaller and run smoother. This program is licensed under the GNU General Public License.
    Downloads: 0 This Week
    Last Update:
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  • 8
    An open source PC care suite for optimizing and protecting PCs. The goal is to produce a security suite that can optimize computers easily, as well as provide an easy to use firewall, and antivirus.
    Downloads: 0 This Week
    Last Update:
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  • 9
    Little System Cleaner

    Little System Cleaner

    Little System Cleaner is an all in one system cleaner.

    Little System Cleaner is an all in one system cleaner for Windows computers. Little System Cleaner combines several tools created by Little Apps into one, these tools include a registry cleaner, registry optimizer, disk cleaner, privacy cleaner, duplicate finder, startup manager and uninstall manager. These tools allow you to make your Windows PC perform better and faster. * Faster System Speed * Free Up Disk Space * Protect Your Privacy * Remove Programs From Starting With The Computer * Uninstall Unnecessary Software * ... and much more!
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    Downloads: 8 This Week
    Last Update:
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  • Create and run cloud-based virtual machines. Icon
    Create and run cloud-based virtual machines.

    Secure and customizable compute service that lets you create and run virtual machines.

    Computing infrastructure in predefined or custom machine sizes to accelerate your cloud transformation. General purpose (E2, N1, N2, N2D) machines provide a good balance of price and performance. Compute optimized (C2) machines offer high-end vCPU performance for compute-intensive workloads. Memory optimized (M2) machines offer the highest memory and are great for in-memory databases. Accelerator optimized (A2) machines are based on the A100 GPU, for very demanding applications.
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