BEST OPEN SOURCE SOFTWARE TOOLS

Open-source CRM designed as a modern alternative to Salesforce

Manga/comic/light novel media server with clients for Windows, Linux, macOS and Android

E-commerce framework for building custom online shops, market places and complex B2B applications scaling to billions of items with Laravel.

Organize PDF papers and office documents. It provides a lot of extra features for students and research groups both in industry and academia

The complete database IDE for developers and analysts.

Network-based, self-hosted, GDPR compliant, secure database for personal data or PII

Database framework for creating database-driven business applications. As a graphical database frontend, it enables the efficient processing of data stocks and the flexible development of comfortable database applications

Database diagrams editor that allows you to visualize and design your DB with a single query

The elegant, easy-to-use CMS for flexible content.

A CMS that lets designers build sites clients can edit

Simple, flexible and useful content management system (documentation in German)

Flat-file content management system and template engine

Mobile-first beekeeping management app for tracking hives, inspections, queen records, and equipment with streamlined data entry optimized for field use

Event management tailored to free Software conferences

Administration platform for Community Supported Agriculture groups

Video conferencing server that is easy to deploy and that requires moderate server resources

Modern, federated social network based on XMPP, with a fully featured group-chat, subscriptions and microblogging

Fully featured modern forum application that is fast, scalable and responsive

Capture and share your team's knowledge through questions and answers.

Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform

See, solve, and secure every VoIP call.

Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platforms where push notifications are required to receive information when the app is not active in the foreground

A small and easy to configure SMTP and POP3 server for Windows and Linux.

Email feeds and web subscriptions in one unified inbox