RosarioSIS is a free & open source Student Information System (SIS), also known as School Management System (SMS) or even School ERP. RosarioSIS features students demographics, grades, scheduling, attendance, student billing, discipline & food service modules for school management, in one web-application. (GPL)
Cross-platform
ATOS is every freelancer's one-stop shop for managing clients, projects, and your taxes. Whether you're selling time-based sprints, or simply tracking time worked, ATOS allows you to manage multiple projects for multiple clients at once, all while generating beautiful invoices and helping you with your estimated taxes in the process. (AGPL)
Cross-platform
Damegender is a GPLv3 Python toolkit about gender statistics. Allowing to detect gender from name, to count males and females in csv files, git repositories, mbox files and articles in newspapers. We incorporate free datasets released by statistical institutions and we are giving software to use commercial api services and to compare the different solutions for making benchmarkings. (GPL)
Linux
Gitter is designed to make community messaging, collaboration and discovery as smooth and simple as possible. You can easily create, organise and grow your communities, inviting others to join just in one click. (MIT)
Cross-platform
Dolibarr ERP & CRM is a modern software package that helps manage your organization's activity (contacts, suppliers, invoices, orders, stocks, agenda, etc). It's an Open Source Software suite designed for small, medium or large companies, foundations and freelancers. Dolibarr has a large community ready to help you, free forums and preferred partners ready to offer you commercial support. (GPL)
Cross-platform
Rapid Business Information Organizer (or Rabio) is an open-source budgeting software designed to organize projects and control their financial activities like budget, costs, earned value, forecast, projection, etc. User take control of budget and costs using Rabio with the flexible Cost Breakdown Structure (CBS) of cost centers, cost categories, and the addition of tags. (GPL)
Cross-platform
Superalgos is the Ultimate free and open-source crypto trading bots Platform. It integrates all crucial aspects of crypto trading automation in a visual scripting environment accessible to non-technical users and optimized for developers. (Apache)
Cross-platform
Odoo PLM harnesses the power of an enterprise social network to help you communicate more efficiently across multiple departments. Everyone follows only what they need, approvals are simple, and discussions on documents are centralized in real time. (LGPL)
Cross-platform
beCPG is an open source PLM software designed to manage food, beverage and cosmetic products lifecycle, to accelerate innovation and reduce time to market while improving product quality. (LGPL)
Cross-platform
Twake is a secure open source collaboration platform to improve organizational productivity. Twake offers all the features for collaboration: team chat, file Storage, team Calendar, task Management, video call and conferencing and real time document collaboration. (AGPL)
Cross-platform