Links
AddDMARC, SPF, DKIM, BIMI checker.
Instantly test your domain to verify your DMARC, SPF, DKIM, BIMI configurations The Merox solution helps you implement DMARC and many other DNS security protocols and standards.
OCR-powered screenshot tool to capture text instead of images.
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A curated list of amazingly awesome open source sysadmin resources.
Visualize your data, optimize your performance.
Easily collect, correlate, and visualize data with beautiful dashboards using Grafana — the open source data visualization and monitoring solution that drives informed decisions, enhances system performance, and streamlines troubleshooting.
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🔥The Web-scale GUI for MongoDB.
MongoDB client for the web. Query your data directly from your browser. You can host it locally, or anywhere else, for you and your team.
Spend Management Software for Receipts & Expenses. The expense management app that does it all.
🔎 Static code analysis engine to find security issues in code. Opengrep, a fork of Semgrep, under the LGPL 2.1 license.
Opengrep is an ultra-fast static analysis tool for searching code patterns with the power of semantic grep. Analyze large code bases at the speed of thought with intuitive pattern matching and customizable rules. Find and fix security vulnerabilities, fast – ship more secure code.
Opengrep supports 30+ languages, including:
Apex · Bash · C · C++ · C# · Clojure · Dart · Dockerfile · Elixir · HTML · Go · Java · JavaScript · JSX · JSON · Julia · Jsonnet · Kotlin · Lisp · Lua · OCaml · PHP · Python · R · Ruby · Rust · Scala · Scheme · Solidity · Swift · Terraform · TypeScript · TSX · YAML · XML · Generic (ERB, Jinja, etc.)
React Native for the desktop, cross compatible. Create desktop applications through a React syntax, on all platforms.
Continuous Terraform drift detection, reporting, and auto-remediation CLI. The open-source driftctl replacement.
tfdrift is a Python CLI tool that monitors your Terraform-managed infrastructure for drift — changes made outside of Terraform workflows (console clicks, scripts, other tools). It scans your Terraform workspaces, detects discrepancies between state and reality, generates structured reports, and optionally auto-remediates or notifies your team.
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Kuzzle is a open-source, self-hostable & ready to use backend for your mobile, web or IoT application.
AI-Powered Configuration Assistant for Home Assistant.
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A cross-platform, reimplementation of Notepad++.
Though the application overall is stable and usable, it should not be considered safe for critically important work.
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The Logfile Navigator, lnav for short, is an advanced log file viewer for the small-scale.
A log file viewer for the terminal. Merge, tail, search, filter, and query log files with ease. No server. No setup. Still featureful.
This multi-page web app demonstrates various interactive web apps created using streamlit and open-source mapping libraries, such as leafmap, geemap, pydeck, and kepler.gl. This is an open-source project and you are very welcome to contribute your comments, questions, resources, and apps as issues or pull requests to the GitHub repository.
Another Looking-glass Server.
NetMirror is a modern, feature-rich looking-glass server with a beautiful web interface for network diagnostics and performance testing.
🍪 A full-featured, hackable tiling window manager written and configured in Python (X11 + Wayland)
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Type-safe Composable CSS.
From simple UI styles to full Design Systems, write code using Styleframe’s powerful TypeScript CSS API — AI-ready by design. Write type-safe, composable, future-proof Design Systems code using styleframe's powerful TypeScript CSS API.
moreutils is a collection of the unix tools that nobody thought to write long ago when unix was young.
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Color Hunt curates a daily collection of colors on a daily basis, so you never run out of inspiration. “Like” your favorites, then filter through the most popular palettes from the past week or all time.
The fast context maker. Surgical context engineering with a nice UI, Windows, Mac, Linux, BSD, anywhere where python & Qt run.
Take control of your AI's context to get radically better bug-fixing and planning assistance. When you don't tell the AIs about MCP servers and tools, you'll be suprised at what they are capable of.
LDAP authentication server for developers. A lightweight LDAP server for development, home use, or CI.
Go-lang LDAP Authentication (GLAuth) is a secure, easy-to-use, LDAP server w/ configurable backends.
A tool for analyzing the size of compiled Go binaries, offering cross-platform support, detailed breakdowns, and multiple output formats.
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AI Framework & Toolkit for Claude Code & Cursor.
AI’s capabilities grow like vines: full of vitality but spreading everywhere. Trellis is scaffolding for AI, guiding it along the path of your conventions.
Make Every Team AI Native.
TeamAI manages your team's skills, rules, MCP, and knowledge across Claude Code, Codex, CodeBuddy, WorkBuddy, OpenCode, Cursor, and other AI agents.
Core IaaS engine and cloud infrastructure foundation of ZSvirt.
ZSvirt brings ZStack's enterprise-proven ZSphere virtualization engine into the open-source world. Backed by ZStack, a mature infrastructure leader, ZSvirt is a lightweight, scalable platform for running and managing virtual machines without vendor lock-in.
Your Obsidian vault, at home in the terminal.
Same folder. Same notes. Same [[links]]. Read, write and wander through them without leaving the terminal, and keep Obsidian open on the other screen while you do.
Explore color as we see it. OKLCH Color Picker, Generator and Converter.
Discover how the OKLCH color model works. Learn, experiment and create more consistent and perceptually uniform color palettes.
L'outil pour piloter en équipe la sécurité de tous vos services numériques et les homologuer rapidement.
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Even newer Custom Firmware for Xiaomi Cameras based on Hi3518ev200 Chipset. It includes free RTSP, ONVIF and other improvements based on the work by roleoroleo
Online AlignmenT for LLMs.
Oat 🌾 is a simple yet efficient system for running online LLM alignment algorithms.
This is Maxwell's daemon, a change data capture application that reads MySQL binlogs and writes data changes as JSON to Kafka, Kinesis, and other streaming platforms.
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PhpSecInfo provides an equivalent to the phpinfo() function that reports security information about the PHP environment, and offers suggestions for improvement. It is not a replacement for secure development techniques, and does not do any kind of code or app auditing, but can be a useful tool in a multilayered security approach.
Symphony turns project work into isolated, autonomous implementation runs, allowing teams to manage work instead of supervising coding agents.
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Tunnel all your traffic over Websocket or HTTP2 - Bypass firewalls/DPI - Static binary available.
Most of the time when you are using a public network, you are behind some kind of firewall or proxy. One of their purpose is to constrain you to only use certain kind of protocols and consult only a subset of the web. Nowadays, the most widespread protocol is http and is de facto allowed by third party equipment.
Wstunnel uses the websocket protocol which is compatible with http in order to bypass firewalls and proxies. Wstunnel allows you to tunnel whatever traffic you want and access whatever resources/site you need.
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Securely Send a Password.
🔐 An application to securely communicate passwords over the web. Passwords automatically expire after a certain number of views and/or time has passed. Track who, what and when.
network services for small networks.
Dnsmasq provides network infrastructure for small networks: DNS, DHCP, router advertisement and network boot. It is designed to be lightweight and have a small footprint, suitable for resource constrained routers and firewalls. It has also been widely used for tethering on smartphones and portable hotspots, and to support virtual networking in virtualisation frameworks. Supported platforms include Linux (with glibc and uclibc), Android, *BSD, and Mac OS X. Dnsmasq is included in most Linux distributions and the ports systems of FreeBSD, OpenBSD and NetBSD. Dnsmasq provides full IPv6 support.
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An extremely fast Python package installer and resolver, written in Rust.
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A structural code search engine for AI agents. Provides sub-500ms file ranking across massive codebases without embeddings, vector databases, or external dependencies.
Mantic is an infrastructure layer designed to remove unnecessary context retrieval overhead for AI agents. It infers intent from file structure and metadata rather than brute-force reading content, enabling retrieval speeds faster than human reaction time.
🔬 A fast, interactive web-based viewer for performance profiles.
Supports import from a variety of profiles in a variety of languages (JS, Ruby, Python, Go & more).
Given raw profiling data, speedscope allows you to interactively explore the data to get insight into what's slow in your application, or allocating all the memory, or whatever data is represented in the profiling data.
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Welcome to OMD - the Open Monitoring Distribution. OMD implements a completely new concept of how to install, maintain and update a monitoring system built on Nagios.
Designed to be a reference for anyone building component-based user interfaces, The Component Gallery is an up-to-date repository of interface components based on examples from the world of design systems.
Trustable Automation. Steampunk Spotter provides an Assisted Automation Writing tool that analyzes and offers recommendations for your Ansible Playbooks.
Detect agentic coding environments and AI editors.
Detect agentic coding environments and AI assistant tools. This library allows CLI tools and Node apps to detect when they're being executed by AI agents. This enables them to adapt by, for example, providing different output formats or logs.
Skip all the configuration and setup needed to get your cloud scripts going. A website for writing and running scripts in the browser, including versioning, an API, scheduling and more.
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La classe Vanilla JS universelle pour Google Maps.
MagixMaps est une bibliothèque JavaScript légère, performante et sans dépendances (Vanilla JS), conçue pour intégrer l'API Google Maps (version 2026) dans tout projet web.
unified is a collective of 500+ free and open source packages that work with content as structured data (ASTs). Different kinds of content can be connected together. Particularly, markdown, natural language, HTML, XML, and JavaScript are frequently used.
Content as structured data.
We compile content to syntax trees and syntax trees to content. We also provide hundreds of packages to work on the trees in between. You can build on the unified collective to make all kinds of interesting things.
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Easy disk cloning and imaging (Clonezilla GUI).
Rescuezilla is an easy-to-use disk cloning and imaging application that's fully compatible with Clonezilla — the industry-standard trusted by tens of millions.
Chat that is simple, secure, and private. Everything you expect from an easy-to-use messaging platform, but now under your control.
Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it. Still, it is easy to get started through playable tutorials.
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Safer python package installs with audit and consent 𝘣𝘦𝘧𝘰𝘳𝘦 install.
Pipask is a drop-in replacement for pip that performs security checks before installing a package. Unlike pip, which needs to download and execute code from source distribution first to get dependency metadata, pipask relies on metadata from PyPI whenever possible. If 3rd party code execution is necessary, pipask asks for consent first. The actual installation is handed over to pip if installation is approved.
OpenEMM is a feature-rich web-based enterprise application for email marketing, newsletters and service mails (transaction mails and event or time triggered mails). OpenEMM offers a great user interface, sophisticated bounce management, link tracking, lots of graphical realtime statistics, a CMS module and a scripting feature to implement individual tasks.
The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis.
CyberChef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. These operations include simple encoding like XOR and Base64, more complex encryption like AES, DES and Blowfish, creating binary and hexdumps, compression and decompression of data, calculating hashes and checksums, IPv6 and X.509 parsing, changing character encodings, and much more.
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CFSSL is CloudFlare's PKI/TLS swiss army knife. It is both a command line tool and an HTTP API server for signing, verifying, and bundling TLS certificates. It requires Go 1.16+ to build.
fixi.js is an experimental, minimalist implementation of generalized hypermedia controls.
The fixi api consists of six HTML attributes, nine events & two properties.
One tool to manage every AI agent's skills. The universal skill manager for AI coding agents.
Stop juggling skill directories across Claude Code, Codex, OpenClaw, and other AI agents. agent-skill-manager (asm) gives you a single TUI and CLI to install, search, audit, and organize all your agent skills — everywhere.