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.

  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
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  • Patching and Endpoint Management for Under $1/Endpoint Icon
    Patching and Endpoint Management for Under $1/Endpoint

    OS and third-party patching, vulnerability insights, and remote control included

    Splashtop AEM gives IT teams automated patching, monitoring, and unattended remote access for Windows and macOS. No long setup, no paying extra for key features.
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  • 1
    IoTDB

    IoTDB

    Apache IoTDB

    Apache IoTDB (Database for Internet of Things) is an IoT native database with high performance for data management and analysis, deployable on the edge and the cloud. Due to its light-weight architecture, high performance and rich feature set together with its deep integration with Apache Hadoop, Spark and Flink, Apache IoTDB can meet the requirements of massive data storage, high-speed data ingestion and complex data analysis in the IoT industrial fields. In the scene of factories, there are tens of devices under LAN network. IoTDB can be installed on a local controller server in the factory to receive data from those devices. The local controller server (normal PC or workstation) with IoTDB can provide the ability to persist data and query data with SQL-like interface. In addition, with TsFile-Sync tool, TsFiles on the local controller can be transmitted to the data center equipped with IoTDB instance in the cloud.
    Downloads: 464 This Week
    Last Update:
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  • 2
    TeleDrive

    TeleDrive

    Unlimited Telegram cloud drive across 5 platforms & 11 languages.

    TeleDrive is a 100% open-source virtual cloud filesystem that turns private Telegram storage channels into an unthrottled, unlimited personal cloud drive with zero monthly subscription fees. Connect directly to Telegram MTProto 2.0 datacenters with zero relay servers and zero cloud storage bills. Key Highlights: • Zero Monthly Rent: Unlimited file storage via private Telegram channels. • 5 Native Platforms: Builds for macOS (DMG), Windows (EXE/MSI), Linux (AppImage/DEB/RPM), Android (APK), and iOS (IPA). • 11 Languages: Full localization for EN, PT-BR, ES, HI, ZH-CN, ZH-TW, RU, FR, DE, JA, and ID. • Tauri 2.0 & Rust: Under 250MB RAM usage with sub-millisecond zero-copy binary IPC streaming. • Built-In Workstation: Continuous PDF viewer, interactive CSV data explorer, CodeMirror 6 code editor, and 4K media streaming. • Automated Backup: Rust folder crawler with SHA-256 diff snapshots. Official Site: https://www.teledrive.space | GNU GPLv3
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    4.0 out of 5 stars 3 Reviews
    Downloads: 1,906 This Week
    Last Update:
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  • 3
    Azure Data Studio

    Azure Data Studio

    A data management tool that enables working with other SQL tools

    Azure Data Studio is a cross-platform database tool for data professionals who use on-premises and cloud data platforms on Windows, macOS, and Linux. Azure Data Studio offers a modern editor experience with IntelliSense, code snippets, source control integration, and an integrated terminal. It's engineered with the data platform user in mind, with the built-in charting of query result sets and customizable dashboards. Use Azure Data Studio to query, design, and manage your databases and data warehouses wherever they are, on your local computer or in the cloud. Azure Data Studio offers a modern, keyboard-focused SQL coding experience that makes your everyday tasks easier with built-in features, such as multiple tab windows, a rich SQL editor, IntelliSense, keyword completion, code snippets, code navigation, and source control integration (Git).
    Downloads: 153 This Week
    Last Update:
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  • 4
    LDAP Admin
    Windows LDAP editor, includes support for POSIX groups and accounts, SAMBA accounts, some Postfix objects and more
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    5.0 out of 5 stars 31 Reviews
    Downloads: 285 This Week
    Last Update:
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  • Paessler: Easy to Use With Enterprise Power. Free Trial Icon
    Paessler: Easy to Use With Enterprise Power. Free Trial

    A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

    You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
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  • 5
    Catalog the content of removable volumes like CD and DVD disks for off-line searching. Folders and files can also be arranged in a single, virtual file system. Each folder of this virtual file system can contain files from many disks.
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    4.2 out of 5 stars 25 Reviews
    Downloads: 370 This Week
    Last Update:
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  • 6
    Prometheus

    Prometheus

    Open source monitoring system and time series database

    Prometheus is a leading open source systems and service monitoring solution. It works by collecting metrics from configured targets at given intervals, evaluating rule expressions, and then displaying the results. It can also signal an alert if a condition is observed to be true. What sets Prometheus apart from other monitoring systems is its highly dimensional data model, powerful query language, autonomous single server nodes, among many other distinguishing features. It also offers several client libraries for easy instrumentation of services, as well as many integration options.
    Downloads: 43 This Week
    Last Update:
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  • 7
    CLucene is a C++ port of Lucene: the high-performance, full-featured text search engine written in Java. CLucene is faster than lucene as it is written in C++.
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    5.0 out of 5 stars 30 Reviews
    Downloads: 168 This Week
    Last Update:
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  • 8
    VertrigoServ WAMP

    VertrigoServ WAMP

    Complete WAMP Server - PHP Apache MySQL for Windows.

    VertrigoServ is a complete free WAMP server allowing PHP development for Windows. It installs Apache 2.4, PHP, MySQL and PhpMyAdmin, both installing and setting up the environment. An uninstaller allows you to remove Vertrigo from hard disc. Vertrigo is a freeware compilation of free software (under GPL, Apache License). Main aplication has closed source code. For license details please take a look at every single component terms and conditions.
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    4.9 out of 5 stars 37 Reviews
    Downloads: 113 This Week
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  • 9
    Npgsql

    Npgsql

    Npgsql is the .NET data provider for PostgreSQL

    Npgsql is an open source ADO.NET Data Provider for PostgreSQL, it allows programs written in C#, Visual Basic, F# to access the PostgreSQL database server. It is implemented in 100% C# code, is free and is open source. An Entity Framework Core provider is also available and exposes some features unique to the PostgreSQL database to EF Core users. Finally, a legacy Entity Framework 6.x (non-Core) provider is also available but is no longer being actively maintained. Npgsql is the open source .NET data provider for PostgreSQL. It allows you to connect and interact with PostgreSQL server using .NET.
    Downloads: 24 This Week
    Last Update:
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  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New customers can spin up VMs, build with AI, and query data at no cost.

    Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
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  • 10
    Meilisearch

    Meilisearch

    An open-source, lightning-fast, and hyper-relevant search engine

    An open-source, lightning-fast, and hyper-relevant search engine that fits effortlessly into your apps, websites, and workflow. Meilisearch is a flexible and powerful user-focused search engine that can be added to any website or application. Search-as-you-type returns answers in less than 50 milliseconds. That's faster than the blink of an eye! Deploy in a matter of minutes. Smart presets let you start searching through your data with zero configuration. Send data to Meilisearch however you want, no need to match a schema or convert your dataset to a compatible format. Everyone makes mistakes! If typos break your search experience, many users will leave thinking what they were looking for just wasn't there. Start searching through your dataset in less than 5 minutes and quickly connect your codebase to Meilisearch with our official libraries. Meilisearch is designed to work out-of-the-box, no configuration needed.
    Downloads: 23 This Week
    Last Update:
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  • 11
    RackTables
    Racktables is a nifty and robust solution for datacenter and server room asset management. It helps document hardware assets, network addresses, space in racks, networks configuration and much much more!
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    5.0 out of 5 stars 21 Reviews
    Downloads: 68 This Week
    Last Update:
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  • 12
    Tickets CAD (Open ISES)
    Free, open source Computer Aided Dispatch for volunteer fire departments, ARES/RACES, CERT teams, EMS, search & rescue, and campus security. 30+ years of real-world use. Zero cost. Self-hosted.
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    5.0 out of 5 stars 5 Reviews
    Downloads: 79 This Week
    Last Update:
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  • 13
    i-doit - Open Source CMDB & ITSM Tool

    i-doit - Open Source CMDB & ITSM Tool

    ITIL conform CMDB solution for documenting your entire IT landscape

    i-doit is a web based IT documentation and CMDB. i-doit documents IT-systems and their changes, defines emergency plans, displays vital information and helps to ensure a stable and efficient IT operation: The technical documentation: This means that all information can be organised (details flexibly adjusted), stored and maintained in one place. This allows simple Helpdesk, Support and Planning functions and provides the basis for quality assurance and certification. i-doit allows services to be documented as a logical grouping of objects placed in relation to each other. This provides the basis for (ITIL) processes such as Change and Problem Management, helps to control and manage the SLA (Service Level Agreement) or the communication with users. Its interfaces to other ITSM applications (like Nagios, Request Tracker etc.) allow the entering of data only once in the ITSM environment. i-doit maintains one holistic view of the operational situation.
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    5.0 out of 5 stars 3 Reviews
    Downloads: 91 This Week
    Last Update:
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  • 14
    Grafana

    Grafana

    Leading open-source visualization and observability platform

    Grafana OSS is the leading open-source platform for visualization and observability. It enables teams to query, visualize, alert on, and explore telemetry data from multiple sources in a single interface. With support for 100+ data source plugins—including Prometheus, Loki, Elasticsearch, InfluxDB, SQL/NoSQL databases, and OpenTelemetry—Grafana helps teams correlate metrics, logs, and traces across applications and infrastructure. Users can build interactive dashboards with rich visualizations, template variables, and reusable panels to monitor systems and troubleshoot issues in real time. Grafana includes capabilities such as ad hoc data exploration, alerting, annotations, and flexible query support. Its extensible plugin ecosystem integrates with cloud platforms, databases, and developer tools—allowing teams to build observability workflows without vendor lock-in. The easiest way to get started with Grafana is with Grafana Cloud, our fully managed, full-stack observability platform.
    Downloads: 11 This Week
    Last Update:
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  • 15
    Letos

    Letos

    A free, open source, multi-platform SQLite database manager

    Letos is a free, open-source SQLite database management application formerly known as SQLiteStudio. Built with C++ and Qt, it provides a graphical environment for creating, editing, and exploring SQLite databases. Users can manage tables, indexes, views, and triggers without writing SQL manually. Its SQL editor supports query execution, syntax highlighting, and code completion. Database contents can be imported from CSV and text files or exported to formats including SQL, JSON, XML, HTML, and PDF. The application offers test data generation and scripting through JavaScript, Python, and Tcl. A plugin system extends database handling, formatting, and import capabilities. Letos runs on Windows, macOS, and Linux without requiring installation or administrator privileges.
    Downloads: 10 This Week
    Last Update:
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  • 16
    Kvrocks

    Kvrocks

    NoSQL database that uses RocksDB as storage engine

    Apache Kvrocks(Incubating) is a distributed key-value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol. Kvrocks intends to decrease the cost of memory and increase the capacity while compared to Redis. The design of replication and storage was inspired by rocksplicator and blackwidow. Redis protocol, user can use redis client to visit the kvrocks. Namespace, similar to redis db but use token per namespace. Replication, async replication using binlog like MySQL. High Available, supports redis sentinel to failover when master or slave was failed. Cluster mode, centralized management but compatible with Redis cluster client access. Kvrocks implements a proxyless centralized cluster solution but its accessing method is completely compatible with the Redis cluster client. You can use Redis cluster SDKs to access the kvrocks cluster.
    Downloads: 9 This Week
    Last Update:
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  • 17
    Apache HBase

    Apache HBase

    Get random, realtime read/write access to your Big Data

    Use Apache HBase™ when you need random, realtime read/write access to your Big Data. This project's goal is the hosting of very large tables, billions of rows X millions of columns, atop clusters of commodity hardware. Apache HBase is an open-source, distributed, versioned, non-relational database modeled after Google's Bigtable. A Distributed Storage System for Structured Data by Chang et al. Just as Bigtable leverages the distributed data storage provided by the Google File System, Apache HBase provides Bigtable-like capabilities on top of Hadoop and HDFS. Thrift gateway and a REST-ful Web service that supports XML, Protobuf, and binary data encoding options. Support for exporting metrics via the Hadoop metrics subsystem to files or Ganglia; or via JMX. Convenient base classes for backing Hadoop MapReduce jobs with Apache HBase tables.
    Downloads: 8 This Week
    Last Update:
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  • 18
    FTLDNS

    FTLDNS

    The Pi-hole FTL engine

    Network-wide ad blocking via your own Linux hardware. FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole®'s Web interface. Fast, stats are read directly from memory by coupling our codebase closely with dnsmasq. Versatile, upstream changes to dnsmasq can quickly be merged in without much conflict. Lightweight, runs smoothly with minimal hardware and software requirements such as Raspberry Pi Zero. Interactive, our API can be used to interface with your projects. Insightful: stats normally reserved inside of dnsmasq are made available so you can see what's really happening on your network. Network-level blocking allows you to block ads in non-traditional places such as mobile apps and smart TVs, regardless of hardware or OS.
    Downloads: 8 This Week
    Last Update:
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  • 19
    Orbada - Database manager

    Orbada - Database manager

    Database SQL, query tool, using JDBC for Oracle,SQLite,PostgreSQL,etc

    ORBADA is a database, SQL, query client using JDBC drivers. It is a tool to administrate and manage database structure. It Is for Oracle, SQLite, Firebird, HSQLDB, DerbyDB, MySQL, PostgreSQL and other databases.
    4.5 out of 5 stars 8 Reviews
    Downloads: 46 This Week
    Last Update:
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  • 20
    Blazegraph (powered by bigdata)

    Blazegraph (powered by bigdata)

    Fast, scalable, robust graph database platform

    Blazegraph has moved to Github. Please see https://github.com/blazegraph/database/.
    5.0 out of 5 stars 9 Reviews
    Downloads: 32 This Week
    Last Update:
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  • 21

    ISAM File handler

    ISAM file handler compatible with the leading commercial ISAM

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    4.2 out of 5 stars 4 Reviews
    Downloads: 41 This Week
    Last Update:
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  • 22
    An easy to use JDBC benchmark that closely resembles the TPC-C standard for OLTP. RDBMS's presently supported include PostgreSQL, EnterpriseDB and Oracle.
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    5.0 out of 5 stars 3 Reviews
    Downloads: 44 This Week
    Last Update:
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  • 23
    Barman for PostgreSQL

    Barman for PostgreSQL

    Backup and Recovery Manager for PostgreSQL

    Barman (backup and recovery manager) is an administration tool for disaster recovery of PostgreSQL servers written in Python. It allows to perform remote backups of multiple servers in business critical environments and help DBAs during the recovery phase. Barman's most wanted features include backup catalogs, retention policies, remote recovery, archiving and compression of WAL files and backups. Barman is written and maintained by PostgreSQL professionals 2ndQuadrant.
    4.7 out of 5 stars 3 Reviews
    Downloads: 43 This Week
    Last Update:
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  • 24
    Backrest

    Backrest

    Backrest is a web UI and orchestrator for restic backup

    Backrest is a free, open-source backup management application that provides a web interface for the restic backup engine. It simplifies creating encrypted backup repositories, scheduling backups, and restoring files. Users can import existing restic repositories or configure new storage destinations. Its snapshot browser makes it easy to locate and recover previously backed-up files. Automated maintenance tasks include repository checks, pruning, and retention management. Backrest supports local storage, SFTP, S3, Backblaze B2, Azure, Google Cloud Storage, and rclone destinations. Additional capabilities include backup notifications, custom command hooks, and remote web access. It runs on Windows, macOS, Linux, FreeBSD, and Docker.
    Downloads: 5 This Week
    Last Update:
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  • 25
    appwrite

    appwrite

    Secure Backend Server for Web, Mobile & Flutter Developers

    Appwrite is a self-hosted and cloud backend-as-a-service platform that provides developers with all the core APIs required to build any application. Build your entire backend within minutes and scale effortlessly using Appwrite's open-source platform. Add Authentication, Databases, Functions, Storage, and Messaging to your projects using the frameworks and languages of your choice.
    Downloads: 5 This Week
    Last Update:
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