Office Suites
ONLYOFFICE
Office suite that enables you to manage documents, projects, team and customer relations in one place. (Source Code).
Grist
Next-generation spreadsheet with relational structure, formula-based access control, and a portable, self-contained format (alternative to Airtable). (Demo, Source Code).
Etherpad
Highly customizable online editor providing collaborative editing in real-time. (Demo, Source Code).
Digislides
Create multimedia presentations in a quick and easy way. (documentation in French). (Demo, Source Code).
CryptPad
Collaboration suite built to enable collaboration, synchronizing changes to documents in real time. (Source Code).
Collabora Online Development Edition
Collabora Online Development Edition (CODE) is a powerful LibreOffice-based online office that supports all major document, spreadsheet and presentation file formats, which you can integrate in your own infrastructure. (Source Code).