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AddDaily Earth Data to See Change and Make Better Decisions. Planet provides daily satellite data that helps businesses, governments, researchers, and journalists understand the physical world and take action.
The world's most widely used web app scanner. Free and open source. Actively maintained by a dedicated international team of volunteers.
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Mojolicious is a fresh take on Perl web development, based on years of experience developing the Catalyst framework, and utilizing the latest web standards and technologies. You can get started with your project quickly, with a framework that grows with your needs.
The Mojo stack provides a consistent set of components that can be used in any project. The guides cover most aspects of using the framework and the components have comprehensive reference documentation. Mojolicious is a real-time web framework, which allows a new class of web applications using WebSockets and having long-running requests without blocking.
Climate TRACE was built to collect and share greenhouse gas emissions from anthropogenic (human) activities to facilitate climate action .
The playground allows you to learn about systemd interactively, right from your browser! Create examples without the danger of breaking your system, and without being distracted by hundreds of unrelated unit files.
Robtex is used for various kinds of research of IP numbers, Domain names, etc. Robtex uses various sources to gather public information about IP numbers, domain names, host names, Autonomous systems, routes etc. It then indexes the data in a big database and provide free access to the data. We aim to make the fastest and most comprehensive free DNS lookup tool on the Internet. Our database now contains billions of documents of internet data collected over more than a decade.
A data templating language for app and tool developers.
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Generate config data
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Side-effect free
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Organize, simplify, unify
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Manage sprawling config
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The Private YouTube Client. FreeTube is a YouTube client for Windows, Mac, and Linux built around using YouTube more privately. You can enjoy your favorite content and creators without your habits being tracked. All of your user data is stored locally and never sent or published to the internet. FreeTube grabs data by scraping the information it needs (with either local methods or by optionally utilizing the Invidious API). With many features similar to YouTube, FreeTube has become one of the best methods to watch YouTube privately on desktop.
API Documentation & Design Tools for Teams.
Simplify API development for users, teams, and enterprises with the Swagger open source and professional toolset. Find out how Swagger can help you design and document your APIs at scale.
A set of several rich open source bundles based on Symfony
Postman is an API platform for building and using APIs. Postman simplifies each step of the API lifecycle and streamlines collaboration so you can create better APIs—faster.
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A visual way to view ECMAScript 6 compatbility across web browser and other implementations
Run OpenShift 3.x locally. Minishift is a tool that helps you run OpenShift locally by running a single-node OpenShift cluster inside a VM. You can try out OpenShift or develop with it, day-to-day, on your local host.
Colored wisps in the background
Beautiful & cool backgrounds with 10+ tools!. Create unique graphics for social media posts, landing pages and branding in a few clicks. Then export them as images, or even code (SVG & CSS).
Customize and apply backgrounds fast. SVGs enable fullscreen visuals with a tiny filesize. Spice up your webpage in 30 seconds.
Code Playground Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Unleash Your Hardware. Unraid OS allows sophisticated media aficionados, gamers, and other intensive data-users to have ultimate control over their data, media, applications, and desktops, using just about any combination of hardware.
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ZFS for the Home to the Data Center.
Related contents:
- How To Choose Or Build Your Own NAS - incl. TrueNAS @ Jim's Garage YouTube.
- How I Configure TrueNAS (Complete Setup Guide) @ Hardware Haven's YouTube.
- How to install TrueNAS on a Raspberry Pi @ Jeff Geerling.
- Rebuilding my NAS - Moving to Virtual TrueNAS in Proxmox @ Jim's Garage.
- Collect All Media | *arr Stack TrueNAS Community Edition 2025 @ ServeratHome's YouTube.
The open network attached storage solution. openmediavault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. Thanks to the modular design of the framework it can be enhanced via plugins.
Amazon Mechanical Turk (MTurk) is a crowdsourcing marketplace that makes it easier for individuals and businesses to outsource their processes and jobs to a distributed workforce who can perform these tasks virtually. This could include anything from conducting simple data validation and research to more subjective tasks like survey participation, content moderation, and more. MTurk enables companies to harness the collective intelligence, skills, and insights from a global workforce to streamline business processes, augment data collection and analysis, and accelerate machine learning development.
In the modern era, software is commonly delivered as a service: called web apps, or software-as-a-service. The twelve-factor app is a methodology for building software-as-a-service apps.
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The snappy web interface for your 3D printer. OctoPrint is the snappy web interface for your 3D printer that allows you to control and monitor all aspects of your printer and print jobs.
Authentication server providing two-factor and SSO. Protect your applications with Single Sign-On and 2 Factor. Authelia is an open-source full-featured authentication server available on Github .
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Version control for your database
Robust schema evolution across all your environments. With ease, pleasure, and plain SQL.
discord.js is a powerful Node.js module that allows you to interact with the Discord API very easily. It takes a much more object-oriented approach than most other JS Discord libraries, making your bot's code significantly tidier and easier to comprehend.
a fast, scalable, multi-language and extensible build system. Build and test software of any size, quickly and reliably. Bazel is a free software tool for the automation of building and testing of software.
Related contents:
- Adopting Bazel for Web at Scale @ The Airbnb Tech Blog's Medium.
- Optimiser les temps de build avec Bazel et Buildfarm @ Vincent Composieux :fr:.
- (Almost) Every infrastructure decision I endorse or regret after 4 years running infrastructure at a startup @ Jack's home on the web.
- Bazel's Original Sins @ Farid Zakaria's Blog.
- Trusting builds with Bazel remote execution @ Blog System/5.
- Top 5 Monorepo Tools for 2025 @ aviator.
- You are holding BUILD files wrong @ Blog System/5.
A fancy self-hosted monitoring tool. It is a self-hosted monitoring tool like "Uptime Robot".
Free Time-Tracking App (open-source). With Kimai, the boring process of feeding Excel spreadsheets with your working hours is not only simplified, it also offers dozens of other exciting features that you don't even know you're missing so far!
A Docker-powered stateless API for PDF files. Gotenberg provides a developer-friendly API to interact with powerful tools like Chromium and LibreOffice for converting numerous document formats (HTML, Markdown, Word, Excel, etc.) into PDF files, and more.
Debian Live system / CD for sysadmins and texttool-users. Grml is a bootable live system (Live-CD) based on Debian. Grml includes a collection of GNU/Linux software especially for system administrators. Users don't have to install anything on fixed storage. Grml is especially well suited for administrative tasks like installation, deployment and system rescue.
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Discover everything that is happening on your computer. Expose every connection your applications make and detect evil ones. Finally get the power to act accordingly.
A container-based approach to boot a full Android system on a regular GNU/Linux system like Ubuntu.
Waydroid uses Linux namespaces (user, pid, uts, net, mount, ipc) to run a full Android system in a container and provide Android applications on any GNU/Linux-based platform.
Android in a Box. Run Android applications on any GNU/Linux operating system.
Darling is a translation layer that lets you run macOS software on Linux.
Analyzes resource usage and performance characteristics of running containers. cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containers. It is a running daemon that collects, aggregates, processes, and exports information about running containers. Specifically, for each container it keeps resource isolation parameters, historical resource usage, histograms of complete historical resource usage and network statistics. This data is exported by container and machine-wide.
The small framework with powerful features CodeIgniter is a powerful PHP framework with a very small footprint, built for developers who need a simple and elegant toolkit to create full-featured web applications.
Transform raw video into high quality datasets in minutes. Find the most important images within petabytes of raw video, in just a few lines of code.
Open Source Binaries of VSCode. Microsoft’s vscode source code is open source (MIT-licensed), but the product available for download (Visual Studio Code) is licensed under this not-FLOSS license and contains telemetry/tracking.
The Markdown Guide is a free and open-source reference guide that explains how to use Markdown, the simple and easy-to-use markup language you can use to format virtually any document.
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Quick Reference Cheat Sheet Here are some cheatsheets and quick references contributed by open source angels.
Create GUI applications with Python and Qt. Create professional user-interfaces for your Python apps. Stop searching for how to create GUI applications with Python — it's all here. I've been teaching Python & Qt for 8 years, helping thousands of developers just like you to bring their apps to life. Let's make your project a success!
A simple tool for managing Xiaomi devices on desktop using ADB and Fastboot.
Next-generation Node.js and TypeScript ORM for Databases. Prisma helps app developers build faster and make fewer errors with an open source database toolkit for PostgreSQL, MySQL, SQL Server, and SQLite.
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The Log File Navigator, lnav for short, is an advanced log file viewer for the small-scale. It is a terminal application that can understand your log files and make it easy for you to find problems with little to no setup.
Open source RGB lighting control that doesn't depend on manufacturer software.
Talos is a modern OS designed to be secure, immutable, and minimal. Its purpose is to host Kubernetes clusters, so it is tightly integrated with Kubernetes.
Related contents:
- Proxmox Kubernetes Install with Talos Linux @ Virtualization Howto.
- Talos, Proxmox and OpenTofu: Beginner's Guide - Part 1 @ Eleni Grosdouli.
- Talos, Proxmox and OpenTofu: Beginner's Guide - Part 2 @ Eleni Grosdouli.
- Talos, Proxmox and OpenTofu: Beginner's Guide - Part 3 @ Eleni Grosdouli.
- A Simple Way to Install Talos Linux on Any Machine, with Any Provider @ Linux.com.
- No SSH? What Is Talos, This Linux Distro for Kubernetes? @ The New Stack.
- Rebuilding My Talos Cluster from Bare Metal @ Nerdz.
The Kubernetes IDE The largest and most advanced Kubernetes platform in the world
Mailu, Docker based mail server Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer and as in free speech), open to suggestions and external contributions. The project aims at providing people with an easily setup, easily maintained and full-featured mail server while not shipping proprietary software nor unrelated features often found in popular groupware.
Free and Open Source download manager written in Python and designed to be extremely lightweight, easily extensible and fully manageable via web
download Bittorrents, Direct Downloads and Youtube videos. Mipony is a download manager specially designed to optimize and automate the downloads.
Exploration, visualisation et découverte des données. Kibana est une interface utilisateur gratuite et ouverte qui vous permet de visualiser vos données Elasticsearch et de naviguer dans la Suite Elastic. Vous voulez effectuer le suivi de la charge de travail liée à la recherche ou comprendre le flux des requêtes dans vos applications ? Kibana est là pour ça.