Best Open Source System Software 2026

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Browse free open source System software and projects below. Use the toggles on the left to filter open source System software by OS, license, language, programming language, and project status.

Host LLMs in Production With On-Demand GPUs
NVIDIA L4 GPUs. 5-second cold starts. Scale to zero when idle.

Deploy your model, get an endpoint, pay only for compute time. No GPU provisioning or infrastructure management required.

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Cut Data Warehouse Costs by 54%
Easily migrate from Snowflake, Redshift, or Databricks with free tools.

BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.

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1

NSIS: Nullsoft Scriptable Install System

Windows installer development tool

NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows installers. It is designed to be as small and flexible as possible and is therefore very suitable for internet distribution. Being a user's first experience with your product, a stable and reliable installer is an important component of succesful software. With NSIS you can create such installers that are capable of doing everything that is needed to setup your software. NSIS is script-based and allows you to create the logic to handle even the most complex installation tasks. Many plug-ins and scripts are already available: you can create web installers, communicate with Windows and other software components, install or update shared components and more.

80 Reviews

Downloads: 43,563 This Week

Last Update: 2026-10-11
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2

ESD Installer

Install Windows directly to a disk partition without USB media

ESD Installer is a native, open-source Windows deployment utility that applies a Windows image directly to a selected existing disk partition, configures boot files, verifies the result, and prepares the computer to boot into the new system without a separate installation USB drive. Three native editions are provided: Windows 10/11 (C#, .NET 8, WinUI 3), Windows 8/8.1 (C#, .NET Framework 4.6.1, WPF), and Windows 7 SP1 (C#, .NET Framework 4.8, WPF). ESD Installer supports ISO/WIM/ESD inspection, real disk and partition enumeration, UEFI/GPT and BIOS/MBR validation, 42 localized application and installer languages, detailed logs, and safety-first immutable planning. WARNING: ESD Installer performs destructive disk operations. Back up important data and verify the selected partition before installation. The author and contributors are not responsible for data loss, unintended wipes, failed storage devices, downtime, or related damage. Released under the MIT License.

Downloads: 25 This Week

Last Update: 2026-09-19
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3

Claroline e-Learning :Thai Edition

Claroline e-Learning : Thai Edition by Assistant Professor Prachid Tinnabutr(ผศ.ประชิด ทิณบุตร).Chandrakasem Rajabhat University,Bangkok, Thailand.10900. RefSite:www.clarolinethai.info, Download Link : www.prachid.com

Downloads: 0 This Week

Last Update: 2014-01-19
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4

Samakee Render

Distributed rendering over internet support both 3dsmax7 , Maya8.0 support window XP

Downloads: 0 This Week

Last Update: 2013-03-27
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Fully Managed MySQL, PostgreSQL, and SQL Server
Automatic backups, patching, replication, and failover. Focus on your app, not your database.

Cloud SQL handles your database ops end to end, so you can focus on your app.

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