In this episode, we take a deep dive into Super Productivity, an open-source task and time management tool designed to reduce the chaos of modern knowledge work without forcing users into a proprietary ecosystem. Starting with the all-too-familiar Monday morning flood of inboxes, sticky notes, and scattered browser tabs, we explore how the software helps users quickly capture tasks, organize them visually, and turn vague obligations into actionable work through features like keyboard-first task entry, Kanban boards, Eisenhower matrices, timeboxing, and Pomodoro-based focus modes.

Along the way, we unpack what makes the platform stand out: built-in tools for reducing procrastination, deep integrations with Jira, GitHub, GitLab, Trello, and calendars, seamless time tracking, and a local-first architecture that keeps sensitive work data under the user’s control. The episode also looks at why this matters for freelancers, teams, and privacy-conscious organizations, from GDPR concerns to the value of data ownership and offline resilience. More than a software walkthrough, this is a conversation about building a work system that respects both your attention and the finite number of hours you actually have.

Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?

Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.

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In this episode, we take a deep dive into Mail-in-a-Box, an open-source project designed to make one of the most intimidating parts of self-hosting far more accessible: running your own private email server. Starting with the question of why anyone would abandon the convenience of Gmail or Outlook, we explore how email was originally built as a decentralized protocol, why it became centralized over time, and how Mail-in-a-Box tries to reverse that trend by packaging a secure, full-featured mail system into a beginner-friendly appliance.

Along the way, we unpack how the software works under the hood, from Postfix and Dovecot to DNS, SPF, DKIM, DMARC, TLS certificates, firewalls, and automated health monitoring. The episode also looks at the project’s strict philosophy around simplicity and reproducibility, its refusal to become endlessly customizable, and the real-world tradeoffs that come with digital independence, including the hard problem of email reputation and deliverability in a world dominated by large providers. More than a technical walkthrough, this is a conversation about privacy, decentralization, and what it really means to own the infrastructure behind your most important communications.

Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?

Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.

Try it now!

In this episode, we take a deep dive into Schleuder, an open-source encrypted mailing list manager designed for organizations that need secure group communication without surrendering control to proprietary platforms. Starting with the basic problem of who really holds the keys to your organization’s most sensitive communications, we explore how Schleuder uses OpenPGP encryption to make secure mailing lists manageable, even in environments where legal, regulatory, and compliance requirements make privacy and auditability non-negotiable.

Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?

Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.

Try it now!

This deep dive explores the challenges of self-hosting email and introduces Mox, a revolutionary single-binary software solution designed to demystify the complex task of running your own email server. The episode dissects the historical architecture of email, highlighting the fragmentation, security risks associated with legacy components, and the shift toward centralized cloud providers. We examine how Mox overcomes these hurdles by leveraging Go for memory safety, consolidating complex services into one application, and automating critical tasks like DNS configuration and TLS certificate management. Discover how Mox addresses deliverability concerns through Bayesian filtering, neutralizes protocol-level vulnerabilities, and acts as a versatile web toolkit, offering a path toward true digital independence for individuals and organizations.

Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?

Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.

Try it now!

In this episode, we take a deep dive into Keila, an open-source newsletter platform built for organizations that want to communicate professionally without surrendering their audience data to proprietary vendors. Starting with the risks of relying on services like Mailchimp, Google, or Microsoft, we explore how Keila offers a different model: beginner-friendly email creation, strong privacy guarantees, and full control over subscriber data, whether you use its managed European cloud or self-host it on your own infrastructure.

Along the way, we unpack what makes the platform so compelling, from its drag-and-drop editor, Markdown workflow, MJML support, and plain text mode to its built-in form builder, bot protection, double opt-in safeguards, segmentation tools, and flexible subscriber profiles powered by JSON and Liquid templates. We also look at the deeper architecture behind the software, including its Elixir foundation, AGPL licensing, and scalable delivery integrations, to show how open-source tools can combine usability, performance, and real data sovereignty. More than a software overview, this episode is about ownership, privacy, and why organizations should stop renting the keys to their own communications.

Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?

Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.

Try it now!

In this episode, we take a deep dive into Docker Mail Server, an open-source project designed to make one of the most intimidating areas of self-hosting far more approachable: running your own secure email infrastructure. Starting with the idea that your inbox is the front door to your digital life, we explore why relying on big providers means surrendering control, and how Docker Mail Server repackages the traditionally painful process of building a mail server into a containerized, production-ready system that is simpler to deploy, back up, and manage.

Along the way, we unpack what makes the software so powerful: a full stack of integrated mail components including Postfix, Dovecot, spam and virus filtering, DKIM signing, DMARC support, Let’s Encrypt certificates, and fail2ban, all pre-wired to work together inside Docker. We also look at the project’s philosophy of “keep it simple and versioned,” its unusual decision to avoid SQL databases in favor of text-based configuration, and the tools it provides to lower the barrier to entry, from the setup.sh management script to advanced customization hooks for power users. More than a technical walkthrough, this episode is about data sovereignty, self-hosted resilience, and what it means to reclaim the keys to your own communications infrastructure.

Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?

Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.

Try it now!

In this episode, we take a deep dive into OpenRefine, a powerful open-source tool designed to help anyone clean, structure, and understand messy data without handing it over to the cloud. Starting with the familiar panic of opening a huge, chaotic spreadsheet, we explore how OpenRefine turns that stress into a manageable process through features like faceting, clustering, heuristics, and an infinitely forgiving undo history that makes experimentation safe even for beginners.

Along the way, we unpack what makes the software so distinctive: it runs locally on your machine, keeps sensitive information under your control, and offers serious professional-grade capability without the cost or lock-in of proprietary platforms. We also look at its history, its thriving open-source community, and its ability to enrich cleaned data through reconciliation with external knowledge bases like Wikidata. More than just a software walkthrough, this episode is about data sovereignty, practical privacy, and how open-source tools can fundamentally change the way organizations and individuals work with information.

Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?

Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.

Try it now!

In this episode, we take a deep dive into Haraka, an open-source SMTP server built to modernize one of the internet’s oldest and most overloaded pieces of infrastructure: email transit. Starting with the hidden mechanics behind every sent message, we unpack the difference between mail transfer and mail storage, and explore why Haraka was designed not as a full inbox system, but as a lightning-fast, highly scalable traffic cop that filters, routes, and processes email before it ever reaches your storage layer.

Along the way, we examine how Haraka uses Node.js and an asynchronous event-driven architecture to handle massive volumes of concurrent connections without collapsing under memory pressure, and how its JavaScript-based plugin system makes spam filtering, custom routing, authentication, and policy enforcement far more flexible than legacy mail servers. The episode also looks at the bigger picture: how open-source infrastructure can reduce costs, improve data sovereignty, and help organizations reclaim control from expensive proprietary email platforms. More than a technical walkthrough, this is a story about rethinking critical internet plumbing and what happens when old systems are rebuilt for the realities of modern network traffic.

Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?

Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.

Try it now!

In this episode, we take a deep dive into Invoicely, a modern open-source invoicing tool designed to replace the clunky, outdated, and often expensive billing systems businesses have tolerated for far too long. Starting with the simple idea that invoices should look professional and be easy to read, we explore how Invoicely combines beautiful design, unlimited free usage, and strong privacy principles to give organizations a more polished and sovereign way to manage financial documents.

Along the way, we unpack the technical architecture that makes the platform so compelling, from its Next.js and React front end to its type-safe database layer with Drizzle ORM, serverless PostgreSQL through Neon, edge storage with Cloudflare R2, and fast monorepo development powered by Turbo. The episode also looks at the project’s unusually strict development culture, including its rejection of “vibe coding,” to show how open-source software can deliver real enterprise-grade rigor. More than just a story about invoicing, this is a conversation about data sovereignty, software quality, and why organizations no longer have to choose between beautiful tools and full control over their financial infrastructure.

Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?

Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.

Try it now!

In this episode, we take a deep dive into the Simple NixOS Mail Server, an open-source project designed to make one of the most intimidating areas of self-hosting — email infrastructure — far more accessible. Starting with the hidden complexity of modern email, we unpack why running your own mail server has historically been considered a dark art, from SPF, DKIM, and DMARC to Postfix, Dovecot, spam filtering, and the zero-trust barricades required just to prove you are not a spammer.

From there, we explore how this project changes the game by combining the declarative power of NixOS with a reproducible, configuration-driven approach that turns fragile server setup into something stable, auditable, and manageable. Along the way, the episode looks at the deeper ideas behind open-source infrastructure, including transparency, peer review, GPL licensing, and data sovereignty. More than just a technical walkthrough, this is a conversation about what it means to stop renting your communications stack from big tech and start owning the fortress yourself.

Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?

Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.

Try it now!