Securely connect anything with WireGuard® and manage all your networks from a single place. Drago is a flexible configuration manager for WireGuard designed to make it simple to configure secure network overlays spanning heterogeneous nodes distributed across different clouds and physical locations.

• Drago @ GitHub.

Related contents:

• Drago – Un gestionnaire de configuration pour les réseaux Wireguard @ Korben :fr:.

Our mission is to be the trusted cloud native repository for Kubernetes. Harbor is an open source registry that secures artifacts with policies and role-based access control, ensures images are scanned and free from vulnerabilities, and signs images as trusted. Harbor, a CNCF Graduated project, delivers compliance, performance, and interoperability to help you consistently and securely manage artifacts across cloud native compute platforms like Kubernetes and Docker.

• Harbor @ GitHub

Related contents:

• Running our Docker registry on-prem with Harbor @ 37 signals.
• Making Harbor production-ready: Essential considerations for deployment @ CNCF.

Airflow is a platform created by the community to programmatically author, schedule and monitor workflows.

• Apache Airflow @ GitHub.

Related contents:

• Apache Airflow Configuration and Tuning @ DZone.
• Exploring Apache Airflow for Batch Processing Scenario @ DZone.
• What Is Apache Airflow @ Seattle Data Guy.
• Alternatives to Talend – How To Migrate Away From Talend For Your Data Pipelines @ Seattle Data Guy.
• Improving workflow orchestration with Apache Airflow 3.1 in Cloud Composer @ Google Cloud Blog.
• How You can Automate PostgreSQL Backups to S3 Using Apache Airflow! @ Kube Blogs.
• Générer un Excel volumineux avec Airflow sans dépassement de mémoire @ .LOUD :fr:.

Database management in a single PHP file.

Adminer (formerly phpMinAdmin) is a full-featured database management tool written in PHP. Conversely to phpMyAdmin, it consist of a single file ready to deploy to the target server. Adminer is available for MySQL, MariaDB, PostgreSQL, SQLite, MS SQL, Oracle, Elasticsearch, MongoDB and others via plugin.

• Adminer @ GitHub.

🔎 Open source distributed and RESTful search engine. OpenSearch makes it easy to ingest, search, visualize, and analyze your data.

OpenSearch is a community-driven, open source fork of Elasticsearch and Kibana following the license change in early 2021. We're looking to sustain (and evolve!) a search and analytics suite for the multitude of businesses who are dependent on the rights granted by the original, Apache v2.0 License.

• OpenSearch @ GitHub.

Related contents:

• OpenSearch: What’s Next for the Search and Analytics Suite? @ The New Stack.
• Using AI for Terraform: running locally with Langflow, OpenSearch, & Ollama @ Rosemary Wang's dev.to.

The world's most widely used web app scanner. Free and open source. Actively maintained by a dedicated international team of volunteers.

• ZAP @ GitHub.

Related contents:

• Automating OWASP PTK with ZAP (Phase 1) @ ZAP.
• Automating OWASP PTK with ZAP (Phase 2) @ ZAP.
• Building a Scanner and a Community with Zed Attack Proxy - Simon Bennetts - ASW #254 @ YouTube.
• Strengthening Your Web Application Security: Integrating OWASP ZAP with GitHub Actions @ System Weakness.

A data templating language for app and tool developers.

• Generate config data

• Side-effect free

• Organize, simplify, unify

• Manage sprawling config

• Jsonnet @ GitHub.

Related contents:

• Abstraction, not syntax @ Ruud van Asseldonk.

Messaging that just works. RabbitMQ is the most widely deployed open source message broker.

• RabbitMQ Server @ GitHub.

Related contents:

• How I solved a distributed queue problem after 15 years @ DBOS.
• When Fast Flow Delivers A Real Blow: A PIR @ Uptime Labs.
• Episode #147 - RabbitMQ, Kafka et les messages brokers @ Code Garage :fr:.

Checkov scans cloud infrastructure configurations to find misconfigurations before they're deployed.

Checkov uses a common command line interface to manage and analyze infrastructure as code (IaC) scan results across platforms such as Terraform, CloudFormation, Kubernetes, Helm, ARM Templates and Serverless framework.

• Checkov @ GitHub.

Related contents:

• Checkov vérifie votre code d'infrastructure @ Culture et Outils DevSecOps :fr:.
• Getting Started with Terraform Vulnerability Scanning @ scalr.

Maru is a new kind of computing experience. It gives you a single, context-aware device that makes personal computing really simple. And guess what? That device is your smartphone.

• Maru OS @ GitHub.

TiDB is a distributed NewSQL database compatible with MySQL protocol TiDB (The pronunciation is: /'taɪdiːbi:/ tai-D-B, etymology: titanium) is a distributed SQL database. Inspired by the design of Google F1, TiDB supports the best features of both traditional RDBMS and NoSQL.

• TiDB @ GitHub.

Related contents:

• Does MariaDB Depend on MySQL? @ HackerNoon.

the JavaScript Database that Syncs! PouchDB is an open-source JavaScript database inspired by Apache CouchDB that is designed to run well within the browser.

PouchDB was created to help web developers build applications that work as well offline as they do online.

• PouchDB @ GitHub.

Related contents:

• Offline-First with CouchDB and PouchDB in 2025 @ Neighbourhoodie Software.

frp is a fast reverse proxy that allows you to expose a local server located behind a NAT or firewall to the Internet. It currently supports TCP and UDP, as well as HTTP and HTTPS protocols, enabling requests to be forwarded to internal services via domain name.

The HTTP/2 Web Server with Fully Managed TLS (automatic HTTPS).

Caddy 2 is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go

• Caddy @ GitHub.
• Exploring Caddy, An Open Source Web Server @ Dan on Open Source Software's YouTube.

Kinto is a lightweight JSON storage service with synchronisation and sharing abilities. It is meant to be easy to use and easy to self-host.

Kinto is used at Mozilla and released under the Apache v2 licence.

• Kinto @ GitHub.

Fast, free and open-source spam filtering system.

Rspamd is an advanced spam filtering system and email processing framework that allows evaluation of messages by a number of rules including regular expressions, statistical analysis and custom services such as URL black lists. Each message is analysed by Rspamd and given a verdict that might be used by MTA for further processing (e.g. to reject a message, or add a special header indicating spam) along with other information, such as possible DKIM signature or modifications suggested for a message.

• Rspamd @ GitHub.

Related contents:

• You should self-host your mail server @ Christian Haschek's blog.