Open-source, privacy-focused workspace merging notes, tasks, project management, Kanban, Pomodoro timer, interactive whiteboard, and real-time collaboration.

Open-source workspace with full data ownership, offline access, multi-platform support, and deep customization through themes, plugins, and templates.

Flexible accounting software for personal and small business use, GnuCash is freely available under the GNU GPL, supporting multiple OS and financial tasks.

An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth. Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required.

An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.

Synapse is a semantic launcher written in Vala that you can use to start applications as well as find and access relevant documents and files by making use of the Zeitgeist engine.

Open protocol for decentralized, end-to-end encrypted communication supporting instant messaging, VoIP, IoT, data persistence, and silos bridging over federated servers.

A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls.

Open-source messaging platform with real-time group, direct, and private chats, file sharing, video conferencing, custom integrations, and self-hosting.

ERPNext is a free and open-source integrated Enterprise Resource Planning (ERP) software developed by Frappé Technologies Pvt. Ltd. and is built on MariaDB database system using a Python based server-side framework.

Integrates enterprise resource planning, CRM, and more, eliminating the need for multiple software with open-source solutions developed in Python.

openHAB is a Java-based open-source home automation platform that integrates and combines a vast range of different smart home systems and technologies into one single solution.

Open-source and privacy-first home automation with an emphasis on local control and backed by a worldwide community. Runs on Raspberry Pi or local server.

Node-RED provides a browser-based flow editor that makes it easy to wire together flows using the wide range nodes in the palette. Flows can be then deployed to the runtime in a single-click.

Cross-platform email client providing POP/IMAP support, robust filtering, multiple accounts, and chat. Extendable via add-ons with RSS/Atom, etc.

Feng Office is a commercial Open Source web based solution aimed to enhance collaboration and productivity. It integrates information such as mails, documents, notes, favourites, events and task. This online office is aimed at small business, which use it for project management...

Enterprise-ready on-premise suite with advanced word processing, spreadsheet, and presentation tools, maximizing interoperability and file compatibility.

Calligra Suite is an office and graphic art suite by KDE. It contains applications for word processing, spreadsheets, presentation, vector graphics, and editing databases.

Free and open-source office suite with advanced word processing, spreadsheets, presentations, vector graphics, math formula editor, and database tools.

On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.

Collabora Online is a powerful LibreOffice-based online office suite with collaborative editing, which supports all major document, spreadsheet and presentation file formats and works in all modern browsers.

Open-source suite for editing documents, spreadsheets, presentations, forms, and PDF files with co-editing modes, plugin support, AI assistant, and integration across 40+ platforms.

Quadratic is a Web-based spreadsheet application with Python, SQL, and Formulas that runs in the browser and as a native app (via Electron).

Transform data with an open-source interface using relational databases and Python engines. Collaborate in real-time with custom permissions for security.

Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.

An end-to-end encrypted note-taking by Proton. Offline access, unlimited sync across devices, tagging, passcode and biometric security, plus advanced premium privacy features.

Local-first, privacy-focused notebook supporting Markdown and Org mode, offline use, encrypted backup, extensible with plugins, and more.

Zotero is a free, easy-to-use tool to help you collect, organize, share research and cite your research sources directly in your favourite word processor, with 300 MB free online storage.

Wikimedia Commons is a media file repository making available public domain and freely-licensed educational media content (images, sound and video clips) to everyone, in their own language.

Metabase is a simple and powerful analytics tool which lets anyone learn and make decisions from their company’s data. No technical knowledge required! We hope you love it.