open-source
Honest, creative, and actionable feedback for every photo. PhotoCritic AI is a modern web application that allows users to upload a photo and receive an expert, AI-powered critique. The app provides a creative title, tags, a professional description, brutally honest suggestions, and a 1-5 star rating for your photo, all generated by a large language model (LLM) via Ollama.
Image Background Remover API. Open source image background removal model Remove backgrounds from images instantly with AI. Choose between local processing (free) or cloud API (best quality).
DevOps Platform Powerful. Simple. Git server with CI/CD, kanban, and packages. Seamless integration. Unparalleled experience.
Turn ideas into detections your SIEM understands. Generate Sigma, KQL, and SPL rules with tests and playbooks in seconds.
DetectPack Forge turns plain-English behaviors or sample logs into production-ready detection packs — Sigma, KQL (Sentinel), SPL (Splunk) — plus tests and a response playbook, mapped to MITRE ATT&CK, fully powered by Gen AI.
Pants is a scalable build system for monorepos: codebases containing multiple projects, often using multiple programming languages and frameworks, in a single unified code repository.
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Terraform is an infrastructure as code tool that lets you build, change, and version infrastructure safely and efficiently. This includes low-level components like compute instances, storage, and networking; and high-level components like DNS entries and SaaS features.
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- 17 Key Considerations Before Designing Terraform Modules @ My Devops Journal.
- Terraform Search: Deep-Dive @ mattias.engineer.
- Terraform Actions: Deep-Dive @ mattias.engineer.
- Why Ephemeral Resources in Terraform Matter: How MyCoCo Eliminated Secrets from State Files @ Dhruv Chaudhary's dev.to.
- Automating Azure SFTP deployment with Terraform @ Techielass - A blog by Sarah Lean.
- Terraform state locking explained (and why it hurts at scale) @ Stategraph.
- How to write and rightsize Terraform modules @ HashiCorp's The Stack.
- Implementing Test-Driven Development with Terraform @ Version 1's Medium.
- Implementing Terraform Drift Detection in Your Workflow @ Devin Rosario's dev.to.
- Writing a Terraform Action @ DanielMSchmidt.de.
- Querying Terraform state with AWS Athena @ Aidan Steele's blog (usually about AWS).
- Terraform Workbook - Your Guide to Infra as Code (IaC) @ Hackerstack.
- Collaborating with Terraform: How Teams Can Work Together Without Breaking Things @ SYJ's Learning Diary's Medium.
- Manage Azure Firewall Rules,NSG rules, using Terraform resource blocks and csv files @ Azure Infrastructure Blog.
- Terraform vs OpenTofu: Which IaC tool fits your platform strategy? @ Platform Engineering.
- Securing AWS IAM with Terraform: From Shared Root to Structured Access @ Rayane Kadi's Medium.
- 20 Terraform Best Practices I Wish I Had Learned Earlier @ AWS in Plain English's Medium.
- How We Scaled Code Repository Management at DNSimple @ DNSimple.
- Terraform Parallelism: How It Works, Tuning & Best Practices @ spacelift.
- A secure automation platform: Terraform Enterprise, Ansible Automation Platform, & Vault Enterprise @ HashiCorp's YouTube.
- How AirFrance-KLM built a secure automation platform at global scale with Terraform, Vault, and Ansible @ HashiCorp's The Stack.
- How We Scaled Code Repository Management at DNSimple @ DNSSimple Blog.
- Automating Route 53 DNS Updates with Terraform When ALBs Are Reprovisioned @ Young Gyu Kim's Medium.
- How do we use Terraform at Preply @ Preply Engineering Blog.
- Terraform Enterprise 1.2 upgrades workflows, visibility, and brownfield migration @ HashiCorp's The Stack.
- GitOps architecture, patterns and anti-patterns @ Platform Engineering.
- Terraform, Feature Flags and Configurability @ Ninad's Blog.
- Advanced Terraform performance optimization @ Ricard Bejarano.
- A more mature take on stateless Terraform @ Ricard Bejarano.
- Speeding up Terraform caching with OverlayFS @ Ricard Bejarano.
- SREcon23 Americas - Scaling Terraform at ThousandEyes @ USENIX's YouTube.
- Inside Terraform: A series about the internals of Terraform @ DanielMSchmidt.de.
- Terraform Drift Detection Powered by GitHub Actions @ rosecurity@dev.
📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings.
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Validate database backup files before migration to prevent costly failures.
BackupGuardian is a comprehensive tool for validating database backup files through deep structural analysis and integrity checking. Get confidence in your migrations before they matter.
A scalable, fault-tolerant, and low-latency storage service optimized for real-time append-only workloads.
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Cloud-Native, Distributed Messaging and Streaming Apache Pulsar is an open-source, distributed messaging and streaming platform built for the cloud.
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Forecasting at scale.
Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth.
Prophet is a procedure for forecasting time series data based on an additive model where non-linear trends are fit with yearly, weekly, and daily seasonality, plus holiday effects. It works best with time series that have strong seasonal effects and several seasons of historical data. Prophet is robust to missing data and shifts in the trend, and typically handles outliers well.
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Paralegal is a static analyzer for Rust code that enforces privacy and security policies on programs.
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📦 Mac App Store command line interface.
A command-line interface for the Mac App Store. Designed for scripting & automation.
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EFfective Field theORy surrogaTe.:
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Julia is a high-level, high-performance dynamic language for technical computing.
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The Fully Customizable Desktop Environment for Windows 10/11.
Seelen UI is a tool designed to enhance your Windows desktop experience with a focus on customization and productivity. It integrates smoothly into your system, providing a range of features that allow you to personalize your desktop and optimize your workflow.
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Scramjet is an experimental interception based web proxy designed to evade internet censorship, bypass arbitrary web browser restrictions and innovate web proxy technologies. This project strives to maintain security, developer friendliness and performance unlike many other web proxies regardless of its open source nature.
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MakeACopy is an open-source document scanner app for Android that allows you to digitize paper documents with OCR functionality. The app is designed to be privacy-friendly, working completely offline without any cloud connection or tracking.
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Build excellent documentation with less effort. The beautiful & flexible React.js docs framework.
The framework for building documentation websites in any React.js frameworks. Fumadocs is a beautiful documentation framework for developers, flexible, performant, running on your React framework.
Dyad is a free, local, open-source AI app builder. The community-driven alternative to Lovable, v0, Bolt and Replit.
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JavaScript API for Chrome and Firefox.
Puppeteer is a JavaScript library which provides a high-level API to control Chrome or Firefox over the DevTools Protocol or WebDriver BiDi. Puppeteer runs in the headless (no visible UI) by default.
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Mercator is a Web application for managing the mapping of an information system as described in the Mapping the Information System Guide from ANSSI.
Mercator's objective is to enable a team to manage the mapping of an information system in a complete and consistent way, and to automatically generate the various reports needed to facilitate the maintenance and communication of this mapping.
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- Mapping the information system @ ANSSI.
- Cartographie du système d'information @ ANSSI :fr:.
- Mercator - La cartographie du système d'information @ LinuxFr.org :fr:.
- Episode #513 consacré à Mercator @ NoLimitSecu :fr:.
- Mercator @ Sourcentis.
- Guide de l'ANSSI : Cartographie Du Système D'information by Chistine Dessus @ Calaméo :fr:.
Open source Dropbox client
Maestral is a lightweight Dropbox client for macOS and Linux. It provides powerful command line tools, supports gitignore patterns to exclude local files from syncing and allows syncing multiple Dropbox accounts.
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RetroDECK brings you an all-in-one sandboxed application to play your retro games (and even not-so-retro games) on Linux/SteamOS.
RetroDECK is committed to preserving retro and vintage games for all. However, even new games are at risk when online components are shut down. If you are an EU citizen you can help us in our mission by signing the Stop Killing Games EU initiative!
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Varnish Cache is a web application accelerator also known as a caching HTTP reverse proxy. You install it in front of any server that speaks HTTP and configure it to cache the contents. Varnish Cache is really, really fast. It typically speeds up delivery with a factor of 300 - 1000x, depending on your architecture. A high level overview of what Varnish does can be seen in this video.
Like IntelliSense, but for shells!
IntelliShell is a command-line tool that acts as a smart bookmark manager. It helps you find, organize, and reuse complex shell commands without ever leaving your terminal.
Tails is a portable operating system that protects against surveillance and censorship.
Tails uses the Tor network to protect your privacy online and help you avoid censorship.
Prism is a powerful Laravel package for integrating Large Language Models (LLMs) into your applications.
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PandoraBox is a USB scanning station designed to detect and remove malware from USB disks. It is based on Pandora by CIRCL and is distributed under the GPLv3 license.
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Terraform version manager. Install a specific version of Terraform.
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Terrascan is a static code analyzer for Infrastructure as Code.
Detect compliance and security violations across Infrastructure as Code (IaC) to mitigate risk before provisioning cloud native infrastructure.
OpenPoke is a simplified, open-source take on Interaction Company’s Poke assistant—built to show how a multi-agent orchestration stack can feel genuinely useful. It keeps the handful of things Poke is great at (email triage, reminders, and persistent agents) while staying easy to spin up locally.
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React component library for vintage icons from classic games, software and operating systems.
A comprehensive React component library featuring over 2,300 classic icons from vintage operating systems and software. Includes iconic designs from Windows 95, 98, XP, Vista, 7, classic games, and retro applications. Perfect for retro-themed applications, nostalgic UIs, and preserving digital history.
JavaScript/TypeScript-native, low-boilerplate, object-capability RPC system.
Cap'n Web is more expressive than almost every other RPC system, because it implements an object-capability RPC model.
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le bloqueur d'appels indésirables pour iPhone et Android.
Saracroche est une application open source iOS et Android qui bloque les appels indésirables. Elle utilise la fonctionnalité native de blocage d'appels pour empêcher les appels provenant de numéros gênants, comme ceux utilisés pour le démarchage commercial ou les arnaques.
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A Hugo theme for creating great technical documentation sites.
Docsy is a Hugo theme for technical documentation sets, providing simple navigation, site structure, and more.
Terraform Private Registry for modules and providers manageable from a REST API.
Terralist is a private Terraform registry for providers and modules that follows the published HashiCorp protocols. It provides:
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A secure way to distribute your confidential modules and providers;
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A management interface to visualize artifacts (including modules documentation);
Visual testing tool for MCP servers.
The MCP inspector is a developer tool for testing and debugging MCP servers.
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The official, opinionated, batteries-included toolset for efficient Redux development.
The Redux Toolkit package is intended to be the standard way to write Redux logic.
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Developer Tools to power-up Redux development workflow or any other architecture which handles the state change (see integrations).
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Knockout makes it easier to create rich, responsive UIs with JavaScript.
Knockout is a JavaScript MVVM (a modern variant of MVC) library that makes it easier to create rich, desktop-like user interfaces with JavaScript and HTML. It uses observers to make your UI automatically stay in sync with an underlying data model, along with a powerful and extensible set of declarative bindings to enable productive development.
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The AI Framework For Ruby on Rails. Rails framework for Agent Apps.
Active Agent is a free open source framework that lets ANY Rails dev ship real, user-facing AI features using controllers, views, & background jobs.
Active Agent provides that missing AI layer in the Rails framework, offering a structured approach to building AI-powered applications through Agent Oriented Programming. Now Agents are Controllers! Designing applications using agents allows developers to create modular, reusable components that can be easily integrated into existing systems. This approach promotes code reusability, maintainability, and scalability, making it easier to build complex AI-driven applications with the Object Oriented Ruby code you already use today.
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Generate the sample data you need.
Create realistic datasets for demos, learning, and dashboards.
Generate realistic datasets for demos, learning, and dashboards. Instantly preview data, export as CSV or SQL, and explore with Metabase.
Open Source SEO audit tool.
SEOnaut is an SEO tool for website audits under the MIT license, giving you full transparency and control. Customize the tool to fit your unique needs or contribute to its ongoing development. Flexible, adaptable software you can trust.
free website analyzer, offline exporter, sitemap generator and Swiss Army Knife, you will love.
SiteOne Crawler is a cross-platform website crawler and analyzer for SEO, security, accessibility, and performance optimization—ideal for developers, DevOps, QA engineers, and consultants. Supports Windows, macOS, and Linux (x64 and arm64).
Simple and Effective Cron Job Monitoring.
Open-source cron job and background task monitoring service, written in Python & Django.
Healthchecks is a cron job monitoring service. It listens for HTTP requests and email messages ("pings") from your cron jobs and scheduled tasks ("checks"). When a ping does not arrive on time, Healthchecks sends out alerts.
Save Articles for Reading.
Savr is an app for saving online content to read later. It is file-centric, offline first, future proof, and favors decentralization.
When reading an article in a browser, share it to Savr. Then open Savr later to read it. Savr is a free, hosted or self hosted, progressive web app that works on-line, off-line, and on your phone.
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A user-friendly server to manage your Slack Nebula mesh network.
Clients (hosts) can easily download Nebula Tower generated configuration files and connect to the Nebula network using either a simple script or a Menubar application.
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the private and secure mobile OS.
The private and secure mobile operating system with Android app compatibility. Developed as a non-profit open source project.
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A text-based user interface for a screen-based platform.
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Linux shell for iOS.
A project to get a Linux shell running on iOS, using usermode x86 emulation and syscall translation.
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Sideloading for Everyone.
Discover apps that push the boundaries of iOS. AltStore is an alternative app store for non-jailbroken iOS devices.
AltStore is an iOS application that allows you to sideload other apps (.ipa files) onto your iOS device with just your Apple ID. AltStore resigns apps with your personal development certificate and sends them to a desktop app, AltServer, which installs the resigned apps back to your device using iTunes WiFi sync. To prevent apps from expiring, AltStore will also periodically refresh your apps in the background when on the same WiFi as AltServer.
Instant, easy, and predictable development environments.
Devbox is a command-line tool that lets you easily create isolated shells for development. You start by defining the list of packages required for your project, and Devbox creates an isolated, reproducible environment with those packages installed.
In practice, Devbox works similar to a package manager like yarn – except the packages it manages are at the operating-system level (the sort of thing you would normally install with brew or apt-get).
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Bring back the joy of shell scripting.
ABS is a programming language that works best when you're scripting on your terminal. It tries to combine the elegance of languages such as Python, or Ruby with the convenience of Bash.
Toolchain for your architecture diagrams. Architecture-as-a-code with live diagrams.
LikeC4 is a powerful set of tools and a Domain-Specific Language (DSL) designed to describe your architecture as a single, cohesive model, which is then compiled into multiple diagrams. Visualize, collaborate, and evolve the software architecture with always actual and live diagrams from your code.
Golangci-lint is a fast linters runner for Go
It runs linters in parallel, uses caching, supports YAML configuration, integrates with all major IDEs, and includes over a hundred linters.
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A tiny Kotlin Multiplatform library that provides an Omittable type to be used in cases where the absence of a value is semantically different from a null value.
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The Superset of WASI.
WASIX is the long term stabilization and support of the existing WASI ABI plus additional non-invasive syscall extensions that complete the missing gaps sufficiently enough to enable real, practical and useful applications to be compiled and used now. It aims to speed up the ecosystem around the WASI so that the Wasm’ification of code bases around the world can really start today!
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SedonaDB is an open-source single-node analytical database engine with geospatial as a first-class citizen. It aims to deliver the fastest spatial analytics query speed and the most comprehensive function coverage available.
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