Portainer is a powerful container management platform trusted by over a million users worldwide. It simplifies the deployment, configuration, troubleshooting, and securing of containers on Kubernetes, Docker, and Swarm across any data center, cloud, network edge, or IIOT device. Portainer is designed to accelerate container adoption and reduce deployment times, making it easier for teams with little to no knowledge of Kubernetes to work autonomously. It also aids in managing and updating deployments, setting up, maintaining, and troubleshooting container infrastructure, and ensuring security and compliance. Portainer supports hybrid and multi-cloud, multi-cluster, multi-device container management, making it a versatile tool for managing complex container ecosystems.

PostfixAdmin is a robust, web-based administration interface for managing mail servers using Postfix. It allows you to easily manage virtual domains, mailboxes, and aliases through an intuitive and flexible interface. PostfixAdmin supports advanced features like quota management, domain statistics, and DKIM integration, making it an ideal tool for administrators of self-hosted email solutions.

The postgres-backup-s3 app is a powerful tool designed to backup your PostgreSQL databases to Amazon S3. It supports periodic backups, allowing you to schedule automatic backups at your convenience. This ensures that your data is always safe and can be restored whenever needed. The app also offers the option to backup all available databases at once, creating a single archive with a timestamp for easy identification. For added security, the app provides an encryption feature. By setting an encryption password, your backup can be encrypted and only decrypted with the correct password. This app is perfect for those who want to ensure their PostgreSQL databases are securely backed up in a reliable and efficient manner.

PowerDNS-Admin is a comprehensive web interface for PowerDNS with a plethora of advanced features. It offers forward and reverse zone management, zone templating, and user management with role-based access control. The app also provides zone-specific access control and activity logging. It supports various authentication methods including Local User, SAML, LDAP, and OAuth with Google, GitHub, Azure, and OpenID. It also supports two-factor authentication (TOTP). PowerDNS-Admin is equipped with PDNS Service Configuration & Statistics Monitoring and supports the DynDNS 2 protocol. It makes IPv6 PTR record editing easy and provides an API for zone and record management. The app also fully supports IDN/Punycode. PowerDNS-Admin can be run in several ways, with Docker being the quickest.

Prestashop is an open-source e-commerce platform that empowers businesses to build and manage their online stores. It provides a user-friendly interface, a robust product catalog system, order management, and customizable themes, making it an ideal choice for merchants of all sizes. Prestashop supports multiple payment gateways, multilingual and multi-currency features, and SEO optimization to ensure a global reach and enhanced online visibility. Additionally, it offers a vibrant marketplace for modules and themes, enabling seamless customization and integration with third-party services.

PrivateBin is a minimalist, open-source, self-hosted pastebin solution designed for secure and private data sharing. It features end-to-end encryption, ensuring that your shared content remains confidential. With its simple interface and focus on privacy, PrivateBin is an excellent tool for individuals and teams who value secure communication.

ProjectSend is a self-hosted file sharing platform designed to securely share files with clients and collaborators. It provides a user-friendly interface, supports advanced user management, and allows for detailed activity tracking. With ProjectSend, you can maintain control over your files and ensure secure access for authorized users.

Prometheus is an open-source monitoring and alerting toolkit designed for reliability and scalability. It collects metrics from configured targets at specified intervals, evaluates rule expressions, and triggers alerts when specified conditions are observed. Prometheus stores all data as time-series, making it ideal for monitoring application and system performance over time. Its powerful query language, PromQL, allows for real-time data analysis, and its flexible integrations support various exporters and service discovery mechanisms. Prometheus can also integrate with alerting tools like Alertmanager to send notifications via email, Slack, or other channels. With native support for Docker, Kubernetes, and other container platforms, Prometheus provides deep visibility into modern infrastructure and services.

Prowlarr is a powerful indexer manager and proxy designed to integrate with various PVR applications. It is built on the popular arr .net/reactjs base stack, offering a seamless experience for users. Prowlarr supports the management of both Torrent Trackers and Usenet Indexers, eliminating the need for per app Indexer setup. It works in harmony with LazyLibrarian, Lidarr, Mylar3, Radarr, Readarr, and Sonarr, providing comprehensive management of your indexers. The app includes features such as Usenet support for 24 indexers natively, Torrent support for over 500 trackers, support for custom YML definitions, Indexer Sync to various apps, manual searching of Trackers & Indexers, and much more. Prowlarr also provides Indexer health and status notifications and supports multiple releases pushing directly to your download clients.

PsiTransfer is a simple, open-source, self-hosted file sharing solution designed to provide an alternative to paid services like Dropbox and WeTransfer. The app allows for the sharing of many and very large files with ease, thanks to its support for streams. It also offers resumable uploads and downloads, ensuring you never lose progress. With PsiTransfer, you can set an expiry time for your upload bucket, and even offer one-time downloads. The app also supports downloading all files as a zip or tar.gz archive, and provides a modal-style file preview. For added security, PsiTransfer offers a password-protected download list. The app is lightweight and mobile-friendly, making it easy to use on any device. It also allows for explicit named bucket IDs with a query param sid=<myBucketID>.

Pterodactyl® is a free, open-source game server management panel that allows you to manage your game servers with ease and efficiency. It is built with PHP, React, and Go, and designed with a focus on security. Pterodactyl runs all game servers in isolated Docker containers, providing a secure environment for each game. It also offers a beautiful and intuitive user interface, making it easy for anyone to use. The platform supports a wide variety of games, including Minecraft, Rust, Terraria, Teamspeak, Mumble, Team Fortress 2, Counter Strike Global Offensive, Garry's Mod, ARK Survival Evolved, and many more. With Pterodactyl, you can host your games across the world without having to bloat each physical machine with additional dependencies. It's time to make game servers a first-class citizen on your platform with Pterodactyl.

PufferPanel is a free, open-source game server management panel that simplifies the management of your game servers. It supports a wide variety of games including Minecraft, Forge, Spigot, Sponge, Source Dedicated Servers, BungeeCord, PocketMine, and many more. With PufferPanel, you can easily manage multiple game servers from one central location, providing a streamlined and efficient way to control your gaming environment. Whether you're an individual user or a large network, PufferPanel's user-friendly interface makes game server management a breeze.

qBittorrent is a powerful, open-source BitTorrent client designed to provide an efficient and feature-rich experience for downloading and sharing files. It offers a user-friendly interface, robust functionality, and cross-platform compatibility. qBittorrent supports advanced features like sequential downloading, IP filtering, RSS feed support, and a built-in search engine for finding torrents. It also includes a web-based interface for managing downloads remotely. Designed to balance performance, simplicity, and advanced capabilities, qBittorrent is ideal for users seeking a secure and reliable torrenting solution.

Qdrant is a powerful vector database and vector similarity search engine designed to power the next generation of AI applications. It deploys as an API service, providing search for the nearest high-dimensional vectors. This allows embeddings or neural network encoders to be turned into full-fledged applications for matching, searching, recommending, and much more. Qdrant supports a large variety of data types and query conditions, including string matching, numerical ranges, geo-locations, and more. It is cloud-native and scales horizontally, ensuring efficient utilization of resources. With Qdrant, you can build and deploy semantic neural search on your data in minutes, understand user behavior in real time, and find similar images or detect duplicates with ease.

RabbitMQ is an open-source message broker software that facilitates reliable messaging between applications and services. It supports a variety of messaging protocols such as AMQP and MQTT, making it a versatile solution for modern distributed systems. With RabbitMQ, you can efficiently manage message queues, exchanges, and routing, enabling seamless communication across different components of your application. It also provides a user-friendly web-based management interface for monitoring, configuration, and troubleshooting.

Radarr is a movie collection manager designed for Usenet and BitTorrent users. It monitors multiple RSS feeds for new movies and interfaces with clients and indexers to grab, sort, and rename them. Radarr also has the ability to automatically upgrade the quality of existing files in your library when a better quality format becomes available. The app features a calendar to see all your upcoming movies in one place, manual search to find all the releases and choose the one you want, and automatic handling of failed downloads. Radarr ensures you get the right release every time with its custom formats feature, which allows fine control over release prioritization and selection. It also supports major platforms like Windows, Linux, macOS, and others.

Radicale is a small but powerful CalDAV (calendars, to-do lists) and CardDAV (contacts) server. It allows you to share calendars and contact lists through CalDAV, CardDAV, and HTTP. Radicale supports events, todos, journal entries, and business cards. It works out-of-the-box, requiring no complicated setup or configuration. Radicale can limit access by authentication and secure connections with TLS. It works with many CalDAV and CardDAV clients, stores all data on the file system in a simple folder structure, and can be extended with plugins. Radicale is GPLv3-licensed free software.

Rallly is a free, open-source tool designed to simplify your scheduling process. It allows you to create meeting polls in seconds, helping you find a time that works for everyone. With Rallly, you can ditch the back-and-forth emails and streamline your scheduling tasks for a more organized and less stressful workday. The app supports multiple languages and has been used to create over 100k+ polls by 45k+ registered users. Whether you're an executive assistant at a large organization or simply trying to coordinate a group event, Rallly is the perfect tool to keep your RSVPs simple and your scheduling process efficient.

Raneto is an open source Knowledgebase platform that uses static Markdown files to power your Knowledgebase.

Readarr is an ebook and audiobook collection manager designed for Usenet and BitTorrent users. It monitors multiple RSS feeds for new ebooks and audiobooks and interfaces with clients and indexers to grab, sort, and rename them. Readarr also has the ability to automatically upgrade the quality of existing files in your library when a better quality format becomes available. The app features a calendar to see all your upcoming releases in one place, manual search to find all the releases and choose the ones you want, and automatic handling of failed downloads. Readarr ensures you get the right release every time with its custom formats feature, which allows fine control over release prioritization and selection. It also supports major platforms like Windows, Linux, macOS, and others.

Redlib is a privacy-focused and lightweight alternative frontend for Reddit, designed to enhance user experience by removing ads, tracking, and unnecessary JavaScript. Built using Rust, Redlib delivers a fast and efficient browsing experience while ensuring user privacy by proxying all requests, including media, through its server. It provides an ad-free, clutter-free interface inspired by Reddit's modern design, making it an ideal choice for users seeking a secure and streamlined way to browse Reddit content.

Redmine is an open-source project management and issue-tracking tool. It provides a flexible framework for managing multiple projects and teams, offering features such as Gantt charts, calendar views, and time tracking to keep your projects organized. Redmine supports multiple databases and can be extended through plugins for additional functionality, making it a highly customizable solution for managing tasks, bugs, and collaboration among teams. The tool also includes role-based access control, allowing administrators to assign different permissions to users based on their responsibilities. Redmine integrates with version control systems like Git, Subversion, and Mercurial, enabling developers to track code changes directly from the platform. It supports major platforms including Windows, Linux, and macOS, and can be accessed via a web browser.

Remmina is a remote desktop client designed to be useful for system administrators and travellers who need to work with multiple remote computers. It supports a variety of network protocols, including RDP, VNC, SPICE, NX, XDMCP, SSH and EXEC, all within an integrated and consistent user interface. The app is written in GTK and is designed to be functional on both large and tiny screens. It can be accessed via http://yourhost:3000/ or https://yourhost:3001/. The app is based on Docker Baseimage KasmVNC, which provides additional environment variables and run configurations to enable or disable specific functionality.

Request Baskets is a lightweight application designed for developers to capture and inspect HTTP requests. It allows creating disposable endpoints to test webhooks, APIs, or any HTTP-based interaction. The application provides an intuitive web interface for monitoring and debugging incoming requests in real time.

Sync (Resilio Sync) is a self-hosted file synchronization and sharing application that allows users to securely sync files between devices without relying on cloud storage. It provides a powerful alternative to proprietary cloud-based file sharing services, ensuring complete control over data and privacy. With Sync, users can transfer large files quickly, collaborate on projects in real-time, and maintain data consistency across multiple devices. Built with efficiency and security in mind, Sync is ideal for both personal and business use.

datarhei Restreamer is a powerful video streaming platform designed to provide real-time live video streaming on websites and social media platforms. It eliminates the need for additional streaming provider costs for video hosting or software licensing. The app allows teams to live stream and restream everything from webcams to broadcasting, making streaming more efficient and user-friendly. It offers live streaming on websites without additional service providers or video hosting providers, and it's instantly available, free of charge, and without advertising. Users can share live videos publicly or privately with anyone, or use a secret link to give their audience access to private content. The app also provides a simple streaming server with self-installation on your server or Raspberry Pi. The fully documented API makes datarhei Restreamer easy to adapt to any project.

Rocket.Chat SIX is a secure and scalable collaboration platform designed to enhance team productivity and customer service experiences. It allows you to own your data and offers extensive customization and integration options. The platform brings together messages, projects, and tasks into one place, enabling teams to work more efficiently. It also provides an omnichannel customer service experience, allowing businesses to engage in contextual interactions with customers, fostering long-term relationships and improved business outcomes. Additionally, Rocket.Chat SIX features a chat engine to drive higher user engagement within your app or website. The platform is built for teams that need more control, offering end-to-end encryption, compliance with various data protection regulations, and a wide range of deployment options to meet your security needs.

Rotki is a comprehensive asset management and accounting application, specifically designed for crypto assets. The app is designed to help with tax reporting by importing, displaying, storing, and generating reports and statistics from cryptocurrency transaction data and other assets. It integrates with multiple exchanges, providing a centralized platform for managing your crypto assets. Rotki also offers the ability to generate profit/loss reports, making it easier to understand your financial standing. It's important to note that while Rotki aids in tax reporting, it does not provide tax or legal advice, and it's the user's responsibility to ensure the accuracy of the data provided to the service. The app is not intended for continuous monitoring of transaction data or for automatic transmission of your transaction data to any tax authority.

Roundcube webmail is a browser-based, multilingual IMAP client that offers an application-like user interface. It is designed to provide all the functionalities you would expect from an email client. This includes MIME support, an address book, folder manipulation, message searching, and spell checking. The app also supports drag-and-drop message management, multiple sender identities, and a full-featured address book with groups and LDAP connectors. It offers a threaded message listing, IDNA and SMTPUTF8 support, and a responsive skin for multi-device support. Roundcube webmail also features built-in caching for fast mailbox access, unlimited users and messages, import/export functions, and support for PGP encryption.

RSS-Bridge is a self-hosted, open-source tool that generates RSS and Atom feeds for websites that do not provide them natively. It enables users to extract and aggregate content from various web pages, social media platforms, and other online sources into a single, unified RSS feed. This allows users to stay updated with the latest content from multiple sources without manually visiting each site. RSS-Bridge supports various website connectors, filtering options, and output formats to provide a customized feed experience.